Dr. Charles A Hjerpe Fellowship

Stephen LeBlanc is a professor in the Department of Population Medicine at the University of Guelph and director of Dairy at Guelph – The Centre for Dairy Research and Innovation.

He received a BSc(Agr) in Animal Science from McGill University in 1992, and a DVM (in 1997) and DVSc (in 2001) from the University of Guelph. 

His research focuses on dairy cow metabolic and reproductive health and management, precision technologies, and antimicrobial stewardship. With graduate students and collaborators, this work has resulted in 200 peer-reviewed papers, and invited talks in 20 countries.

He is a senior editor for the Journal of Dairy Science and serves as a member of Board of Directors of the American Dairy Science Association.

EDUCATION

Doctor of Veterinary Science, 2001, Department of Population Medicine, Ontario Veterinary College, University of Guelph.

Doctor of Veterinary Medicine, 1997, Department of Population Medicine, Ontario Veterinary College, University of Guelph.

Bachelor of Science (Agriculture) – Animal Science, 1992, Macdonald College, McGill University.

Employment & experience

Professor, 2015 – present, Population Medicine, University of Guelph

Director, 2022 – present, Dairy at Guelph – The Centre for Dairy Research & Innovation

Research Program Director, 2014 – 2021 , Animal Production Systems

Associate professor, 2007 – 2015, Population Medicine, University of Guelph

Assistant professor, 2002 – 2007, Population Medicine, University of Guelph

Veterinarian – Dairy practice, 1997 – 2001, St. Marys Veterinary Clinic, St. Marys Ontario

Selected academic research support

I have secured over $7.3 million in research support as principal investigator and a further $2.3 M as a co-investigator. Current projects:

• Sustainable health management for dairy cattle in Canada (NSERC Alliance 2022-2027: $3,975,000; Principal investigator)
• Improving antimicrobial stewardship in food animals by identifying the determinants of use of antimicrobials by veterinarians and dairy farmers. Canada First Research Excellence Fund (Food from Thought) (2018-2024: $584,000; Principal investigator)
• Interactions among local and systemic inflammation and innate immune function in dairy cows. NSERC Discovery (2020-2024: $200,000; Principal investigator)
• Antimicrobial Stewardship Solutions for a Sustainable Ontario Dairy Industry. Ontario Research Excellence (2021-2026; $959,000; Co-investigator with David Kelton (PI) and David Renaud)
• Field trial of non-antibiotic treatment of postpartum uterine disease in dairy cows. Ontario Agri-food Innovation Alliance (2022-2024: $52,748; Principal investigator)

Selected recent peer-reviewed publications

I have published over 200 peer-reviewed scientific papers, 140 in the past ten years. PubMed list: https://pubmed.ncbi.nlm.nih.gov/?term=%27leblanc+s+AND+dairy%27&sort=date&size=20

These publications have been cited 23,447 times, with an h-index of 69 (69 papers cited at least 69 times) and 187 papers cited at least 10 times (Google Scholar; Jan.2, 2024) https://scholar.google.com/citations?user=https://scholar.google.com/citations?user=lMmR2REAAAAJ&hl=enlMmR2REAAAAJ&hl=en)

Bruinjé TC, Morrison EI, Ribeiro ES, Renaud DL, LeBlanc SJ. (2023) Associations of inflammatory and reproductive tract disorders postpartum with pregnancy and early pregnancy loss in dairy cows. J Dairy Sci. Oct 9:S0022-0302(23)00726-9. doi: 10.3168/jds.2023-23976..

Bruinjé TC, Morrison EI, Ribeiro ES, Renaud DL, Couto Serrenho R, LeBlanc SJ. (2023) Postpartum health is associated with detection of estrus by activity monitors and reproductive performance in dairy cows. J Dairy Sci. 106(12):9451-9473.

LeBlanc SJ. (2023) Review: Postpartum reproductive disease and fertility in dairy cows. Animal. May;17 Suppl 1:100781. doi: 10.1016/j.animal.2023.100781.

LeBlanc SJ. (2023) Relationship of peripartum inflammation with reproductive health in dairy cows. JDS Commun. Jan 12;4(3):230-234. doi:10.3168/jdsc.2022-0328.

Bogado Pascottini O, LeBlanc SJ, Gnemmi G, Leroy JLMR, Opsomer G. (2023) Genesis of clinical and subclinical endometritis in dairy cows. Reproduction. Jun28;166(2):R15-R24.

Cobo-Angel C, Gohar B, LeBlanc SJ. (2022) Values and Risk Perception Shape Canadian Dairy Farmers’ Attitudes toward Prudent Use of Antimicrobials. Antibiotics 11(5):550.

Sargeant JM, O’Connor AM, Vriezen ER, Totton SC, LeBlanc SJ. (2022) Publication and accessibility of results of controlled trials in dairy science. J Dairy Sci.105:6155-6163.

Durocher J, Moore RK, Castonguay MH, Albaaj A, LeBlanc SJ, Dufour S. (2022) Bayesian estimation of sensitivity and specificity of a milk pregnancy-associated glycoprotein ELISA test for pregnancy diagnosis between 23 and 27 days after insemination in Holstein dairy cows. J Dairy Sci. 105:6985-6996.

Van Schyndel SJ, Dubuc J, Pascottini OB, Carrier J, Kelton DF, Duffield TF, LeBlanc SJ. The effect of pegbovigrastim on early-lactation disease, production, and reproduction in dairy cows. J Dairy Sci. 2021 104(9):10100-10110.

Bogado Pascottini O,  SJ Van Schyndel, JFW Spricigo, MR Carvalho, B Mion, ES Ribeiro, SJ LeBlanc (2020) Effect of anti-inflammatory treatment on systemic inflammation, immune function, and endometrial health in postpartum dairy cows. Sci Rep 23; 10(1):5236.

LeBlanc, S.J. (2020). Review: Relationships between metabolism and neutrophil function in dairy cows in the peripartum period. Animal 14(S1):s44-s54.

Winder CB, Churchill KJ, Sargeant JM, LeBlanc SJ, O’Connor AM, Renaud DL. (2019). Invited review: Completeness of reporting of experiments: REFLECTing on a year of animal trials in the Journal of Dairy Science. Journal of Dairy Science. 102(6): 4759-4771.

Miltenburg CL, Duffield TF, Bienzle D, Scholtz EL, LeBlanc SJ. (2018). The effect of prepartum feeding and lying space on metabolic health and immune function. Journal of Dairy Science. 101(6): 5294–5306.

Training of highly qualified personnel

I have advised 21 graduate students through completion of their degrees, as well as 4 postdocs and 5 visiting PhD students. Currently, I am primary advisor for 3 PhD, 1 MSc, and 2 postdocs, and on 5 PhD advisory committees.

Awards and recognitions

2022 OVC Year ’68 Teaching Award. Awarded for exemplary teaching, support, and care for students over their four years at OVC.

2018, 2019, and 2021 Clarivate Analytics Highly Cited Researcher. Recognizes production of multiple highly cited papers that rank in the top 1% globally by citations for field and year in Web of Science.

2019 American Dairy Science Association Zoetis Physiology Award. To recognize outstanding research in dairy cattle physiology based on research work published in refereed journals in the five years immediately preceding the year of recognition.

2017 Canadian Veterinary Medical Association Merck Veterinary Award. Presented to a CVMA member whose work in food animal production practice, clinical research, or basic sciences is judged to have contributed significantly to the advancement of food animal medicine and surgery, including herd health management.

Service

2022 – 2025 Member of the board of directors, ADSA

2021; 2024 – 2026 Senior editor, Journal of Dairy Science 2020

Co-chair of the program committee for ADSA Discover conference 39: The Transition Period – From Physiology to Management

2019-2021 Member of the reproduction committee for the ADSA

2018 – 2021 Member of ADSA Discover conferences steering committee

2016 President, Dairy Cattle Reproduction Council

Outreach

I have given over 200 invited talks at scientific, professional, continuing education, and extension meetings in 20 countries, from local farmers’ meetings to international research symposia. Recent examples:

• Roadshow of 8 meetings for dairy farmers and veterinarians across England (XLVets UK, November 6-10, 2024)
• Invited podium presentation: Postpartum reproductive disease and fertility in dairy cows International Ruminant Reproduction Symposium, Galway Ireland May 28-June 1, 2023
• ADSA 2022 Joint Physiology and Endocrinology/Animal Health Symposium: Relationship of inflammation and immune activation, uterine diseases, and reproductive success

Full publication list

Brunt MW, Ritter C, Renaud DL, LeBlanc SJ, Kelton DF. Awareness and perceived barriers to the adoption of best management practices for the transportation of lactating cull dairy cows of dairy producers in Ontario. J Dairy Sci. 2024 Jul 25:S0022-0302(24)01042-7. doi: 10.3168/jds.2024-25138. Epub ahead of print. PMID: 39067755.

Bruinjé TC, LeBlanc SJ. Graduate Student Literature Review: Implications of transition cow health for reproductive function and targeted reproductive management. J Dairy Sci. 2024 Jun 12:S0022-0302(24)00916-0. doi:10.3168/jds.2023-24562. Epub ahead of print. PMID: 38876223.

Paiano RB, Morrison EI, LeBlanc SJ. Randomized clinical trial of ketoprofen or ceftiofur for treatment of metritis in dairy cows. J Dairy Sci. 2024 May 31:S0022-0302(24)00844-0. doi: 10.3168/jds.2023-24585. Epub ahead of print. PMID: 38825109.

Brunt MW, Haley DB, LeBlanc SJ, Kelton DF. Attitudes and professional values of veterinarians and veterinary students toward positive welfare states for dairy cattle. J Dairy Sci. 2024 Sep;107(9):7211-7220. doi:10.3168/jds.2023-24394. Epub 2024 May 17. PMID: 38762112.

Bruinjé TC, Morrison EI, Ribeiro ES, Renaud DL, LeBlanc SJ. Progesterone profiles in postpartum dairy cows with inflammatory disorders. J Dairy Sci. 2024 Sep;107(9):7153-7164. doi: 10.3168/jds.2023-24604. Epub 2024 May 15. PMID:38754832.

Bruinjé TC, Campora L, Van Winters B, LeBlanc SJ. Effects of systemic or uterine endotoxin challenge in Holstein cows at 5 or 40 days postpartum on clinical responses, uterine and systemic inflammation, and milk yield. J Dairy Sci. 2024 Sep;107(9):7392-7404. doi: 10.3168/jds.2023-24497. Epub 2024 May 15. PMID: 38754820.

Edwards KY, Bell SM, LeBlanc SJ, DeVries TJ, Steele MA, Costa JHC, Renaud DL. Evaluation of bovine colostrum replacer supplementation to improve weaning transition in Holstein dairy calves. J Dairy Sci. 2024 Aug;107(8):6330-6339. doi: 10.3168/jds.2023-24498. Epub 2024 Apr 11. PMID: 38608945.

Couto Serrenho R, Morrison E, Bruinjé TC, LeBlanc SJ. Assessment of systemic inflammation following oral calcium supplementation in healthy postpartum multiparous dairy cows-A randomized controlled trial. JDS Commun. 2023 Nov 17;5(2):134-138. doi: 10.3168/jdsc.2023-0438. PMID: 38482115; PMCID: PMC10928429.

Edwards KY, LeBlanc SJ, DeVries TJ, Steele MA, Costa JHC, Renaud DL. Barriers to recording calf health data on dairy farms in Ontario. JDS Commun. 2023 Sep 22;5(1):42-46. doi: 10.3168/jdsc.2023-0398. PMID: 38223392; PMCID: PMC10785240.

Brunt MW, Haley DB, LeBlanc SJ, Kelton DF. Perceived role of the veterinarian in promoting dairy cattle welfare. Front Vet Sci. 2023 Dec 18;10:1325087. doi: 10.3389/fvets.2023.1325087. PMID: 38164396; PMCID: PMC10757964.

Bruinjé TC, Morrison EI, Ribeiro ES, Renaud DL, LeBlanc SJ. Associations of postpartum health with progesterone after insemination and endocrine signaling during early pregnancy in dairy cows. J Dairy Sci. 2023 Nov 15:S0022-0302(23)00811-1. doi: 10.3168/jds.2023-24068. Epub ahead of print. PMID: 37977442.

Bruinjé TC, Morrison EI, Ribeiro ES, Renaud DL, LeBlanc SJ. Associations of inflammatory and reproductive tract disorders postpartum with pregnancy and early pregnancy loss in dairy cows. J Dairy Sci. 2023 Oct 9:S0022-0302(23)00726-9. doi: 10.3168/jds.2023-23976. Epub ahead of print. PMID: 37820756.

Bruinjé TC, Morrison EI, Ribeiro ES, Renaud DL, Couto Serrenho R, LeBlanc SJ. Postpartum health is associated with detection of estrus by activity monitors and reproductive performance in dairy cows. J Dairy Sci. 2023 Dec;106(12):9451-9473. doi: 10.3168/jds.2023-23268. Epub 2023 Sep 9. PMID: 37678796.

LeBlanc SJ. Review: Postpartum reproductive disease and fertility in dairy cows. Animal. 2023 May;17 Suppl 1:100781. doi: 10.1016/j.animal.2023.100781. PMID: 37567665.

Cobo-Angel C, Roche SM, LeBlanc SJ. Understanding the role of veterinarians in antimicrobial stewardship on Canadian dairy farms: A mixed-methods study. PLoS One. 2023 Jul 27;18(7):e0289415. doi: 10.1371/journal.pone.0289415. PMID: 37498906; PMCID: PMC10374071.

LeBlanc SJ. Relationship of peripartum inflammation with reproductive health in dairy cows. JDS Commun. 2023 Jan 12;4(3):230-234. doi: 10.3168/jdsc.2022-0328. PMID: 37360118; PMCID: PMC10285243.

Bogado Pascottini O, LeBlanc SJ, Gnemi G, Leroy JLMR, Opsomer G. Genesis of clinical and subclinical endometritis in dairy cows. Reproduction. 2023 Jun 28;166(2):R15-R24. doi: 10.1530/REP-22-0452. PMID: 37294111.

Mion B, Madureira G, Spricigo JFW, King K, Van Winters B, LaMarre J, LeBlanc SJ, Steele MA, Ribeiro ES. Effects of source of supplementary trace minerals in pre- and postpartum diets on reproductive biology and performance in dairy cows. J Dairy Sci. 2023 Jul;106(7):5074-5095. doi: 10.3168/jds.2022-22784. Epub 2023 May 8. PMID: 37164845.

Albaaj A, Durocher J, LeBlanc SJ, Dufour S. Meta-analysis of the incidence of pregnancy losses in dairy cows at different stages to 90 days of gestation. JDS Commun. 2022 Nov 18;4(2):144-148. doi: 10.3168/jdsc.2022-0278. PMID: 36974208; PMCID: PMC10039243.

Golder HM, LeBlanc SJ, Duffield T, Rossow HA, Bogdanich R, Hernandez L, Block E, Rehberger J, Smith AH, Thomson J, Lean IJ. Characterizing ruminal acidosis risk: A multiherd, multicountry study. J Dairy Sci. 2023 May;106(5):3155-3175. doi: 10.3168/jds.2022-22571. Epub 2023 Mar 7. PMID: 36894423.

Mion B, Ogilvie L, Van Winters B, Spricigo JFW, Anan S, Duplessis M, McBride BW, LeBlanc SJ, Steele MA, Ribeiro ES. Effects of replacing inorganic salts of trace minerals with organic trace minerals in the pre- and postpartum diets on mineral status, antioxidant biomarkers, and health of dairy cows. J Anim Sci. 2023 Feb 3:skad041. doi: 10.1093/jas/skad041. Epub ahead of print. PMID: 36734127.

Martin AAA, Id-Lahoucine S, Fonseca PAS, Rochus CM, Alcantara LM, Tulpan D, LeBlanc SJ, Miglior F, Casellas J, Cánovas A, Baes CF, Schenkel FS. Unravelling the genetics of non-random fertilization associated with gametic incompatibility. Sci Rep. 2022 Dec 24;12(1):22314. doi:10.1038/s41598-022-26910-8. PMID: 36566278; PMCID: PMC9789956.

Lean IJ, Sheedy DB, LeBlanc SJ, Duffield T, Santos JEP, Golder HM. Holsteindairy cows lose body condition score and gain body weight with increasing parity in both pasture-based and total mixed ration herds. JDS Commun. 2022 Aug 6;3(6):431-435. doi: 10.3168/jdsc.2022-0246. PMID: 36465515; PMCID: PMC9709602.

Lean IJ, Golder HM, LeBlanc SJ, Duffield T, Santos JEP. Increased parity is negatively associated with survival and reproduction in different production systems. J Dairy Sci. 2023 Jan;106(1):476-499. doi: 10.3168/jds.2021-21672. Epub 2022 Nov 29. PMID: 36460503.

Uyama T, Kelton DF, Morrison EI, de Jong E, McCubbin KD, Barkema HW, Dufour S, Sanchez J, Heider LC, LeBlanc SJ, Winder CB, McClure JT, Renaud DL. Cross-sectional study of antimicrobial use and treatment decision for preweaning Canadian dairy calves. JDS Commun. 2021 Nov 25;3(1):72-77. doi:10.3168/jdsc.2021-0161. PMID: 36340675; PMCID: PMC9623784.

Morrison JL, Winder CB, Medrano-Galarza C, Denis P, Haley D, LeBlanc SJ, Costa J, Steele M, Renaud DL. Case-control study of behavior data from automated milk feeders in healthy or diseased dairy calves. JDS Commun. 2022 Mar 3;3(3):201-206. doi: 10.3168/jdsc.2021-0153. PMID: 36338813; PMCID: PMC9623788.

Lean IJ, LeBlanc SJ, Sheedy DB, Duffield T, Santos JEP, Golder HM. Associations of parity with health disorders and blood metabolite concentrations in Holstein cows in different production systems. J Dairy Sci. 2023 Jan;106(1):500-518. doi: 10.3168/jds.2021-21673. Epub 2022 Oct 19. PMID:36270869.

Ogilvie L, Spricigo JFW, Mion B, Van Winters B, Karrow NA, McBride BW, LeBlanc SJ, Steele MA, Ribeiro ES. Neutrophil function and antibody production during the transition period: Effect of form of supplementary trace minerals and associations with postpartum clinical disease and blood metabolites. J Dairy Sci. 2022 Nov;105(12):9944-9960. doi: 10.3168/jds.2022-21909. Epub 2022 Oct 4. PMID: 36207190.

Uyama T, Renaud DL, Morrison EI, McClure JT, LeBlanc SJ, Winder CB, de Jong E, McCubbin KD, Barkema HW, Dufour S, Sanchez J, Heider LC, Kelton DF. Associations of calf management practices with antimicrobial use in Canadian dairy calves. J Dairy Sci. 2022 Nov;105(11):9084-9097. doi: 10.3168/jds.2022-22299. Epub 2022 Sep 27. PMID: 36175237.

Sargeant JM, O’Connor AM, LeBlanc SJ, Winder CB. Invited review: Maximizing value and minimizing waste in clinical trial research in dairy cattle: Selecting interventions and outcomes to build an evidence base. J Dairy Sci. 2022 Nov;105(11):8594-8608. doi: 10.3168/jds.2022-22015. Epub 2022 Aug 31. PMID:36055845.

Martin AAA, de Oliveira G Jr, Madureira AML, Miglior F, LeBlanc SJ, Cerri RLA, Baes CF, Schenkel FS. Reproductive tract size and position score: Estimation of genetic parameters for a novel fertility trait in dairy cows. J Dairy Sci. 2022 Oct;105(10):8189-8198. doi: 10.3168/jds.2021-21651. Epub 2022 Aug 12. PMID: 35965120.

Serrenho RC, Williamson M, Berke O, LeBlanc SJ, DeVries TJ, McBride BW, Duffield TF. An investigation of blood, milk, and urine test patterns for the diagnosis of ketosis in dairy cows in early lactation. J Dairy Sci. 2022 Sep;105(9):7719-7727. doi: 10.3168/jds.2021-21590. Epub 2022 Aug 2. PMID: 35931489.

Mion B, Van Winters B, King K, Spricigo JFW, Ogilvie L, Guan L, DeVries TJ, McBride BW, LeBlanc SJ, Steele MA, Ribeiro ES. Effects of replacing inorganic salts of trace minerals with organic trace minerals in pre- and postpartum diets on feeding behavior, rumen fermentation, and performance of dairy cows. J Dairy Sci. 2022 Aug;105(8):6693-6709. doi: 10.3168/jds.2022-21908. Epub 2022 Jul 2. PMID: 35787325.

Durocher J, Moore RK, Castonguay MH, Albaaj A, LeBlanc SJ, Dufour S. Bayesian estimation of sensitivity and specificity of a milk pregnancy- associated glycoprotein ELISA test for pregnancy diagnosis between 23 and 27 days after insemination in Holstein dairy cows. J Dairy Sci. 2022 Aug;105(8):6985-6996. doi: 10.3168/jds.2022-21905. Epub 2022 Jul 2. PMID: 35787323.

Uyama T, Kelton DF, Winder CB, Dunn J, Goetz HM, LeBlanc SJ, McClure JT, Renaud DL. Colostrum management practices that improve the transfer of passive immunity in neonatal dairy calves: A scoping review. PLoS One. 2022 Jun 29;17(6):e0269824. doi: 10.1371/journal.pone.0269824. PMID: 35767544; PMCID: PMC9242493.

Cobo-Angel C, Gohar B, LeBlanc SJ. Values and Risk Perception Shape Canadian Dairy Farmers’ Attitudes toward Prudent Use of Antimicrobials. Antibiotics (Basel). 2022 Apr 20;11(5):550. doi: 10.3390/antibiotics11050550. PMID: 35625194; PMCID: PMC9137716.

Sargeant JM, O’Connor AM, Vriezen ER, Totton SC, LeBlanc SJ. Publication and accessibility of results of controlled trials in dairy science. J Dairy Sci. 2022 Jul;105(7):6155-6163. doi: 10.3168/jds.2022-21782. Epub 2022 May 13. PMID: 35570046.

Williamson M, Couto Serrenho R, McBride BW, LeBlanc SJ, DeVries TJ, Duffield TF. Reducing milking frequency from twice to once daily as an adjunct treatment for ketosis in lactating dairy cows-A randomized controlled trial. J Dairy Sci. 2022 Feb;105(2):1402-1417. doi: 10.3168/jds.2021-20551. Epub 2021 Nov 17. PMID: 34799108.

Cobo-Angel C, LeBlanc SJ, Roche SM, Ritter C. A Focus Group Study of Canadian Dairy Farmers’ Attitudes and Social Referents on Antimicrobial Use and Antimicrobial Resistance. Front Vet Sci. 2021 Jun 15;8:645221. doi: 10.3389/fvets.2021.645221. PMID: 34212017; PMCID: PMC8239135.

Van Schyndel SJ, Dubuc J, Pascottini OB, Carrier J, Kelton DF, Duffield TF, LeBlanc SJ. The effect of pegbovigrastim on early-lactation disease, production, and reproduction in dairy cows. J Dairy Sci. 2021 Sep;104(9):10100-10110. doi: 10.3168/jds.2021-20266. Epub 2021 Jun 5. PMID: 34099297.

Conboy MH, Winder CB, Medrano-Galarza C, LeBlanc SJ, Haley DB, Costa JHC, Steele MA, Renaud DL. Associations between feeding behaviors collected from an automated milk feeder and disease in group-housed dairy calves in Ontario: Across-sectional study. J Dairy Sci. 2021 Sep;104(9):10183-10193. doi:10.3168/jds.2021-20137. Epub 2021 Jun 5. PMID: 34099289.

Couto Serrenho R, Bruinjé TC, Morrison EI, DeVries TJ, Duffield TF, LeBlanc SJ. Controlled trial of the effect of negative dietary cation-anion difference prepartum diets on milk production, reproductive performance, and culling of dairy cows. J Dairy Sci. 2021 Jun;104(6):6919-6928. doi: 10.3168/jds.2020-19390. Epub 2021 Mar 11. PMID: 33715852.

Couto Serrenho R, Bruinjé TC, Morrison EI, DeVries TJ, Duffield TF, LeBlanc SJ. Controlled trial of the effect of negative dietary cation-anion difference on postpartum health of dairy cows. J Dairy Sci. 2021 Jun;104(6):6929-6943. doi:10.3168/jds.2020-19389. Epub 2021 Mar 11. PMID: 33714580.

Couto Serrenho R, DeVries TJ, Duffield TF, LeBlanc SJ. Graduate Student Literature Review: What do we know about the effects of clinical and subclinical hypocalcemia on health and performance of dairy cows? J Dairy Sci. 2021 May;104(5):6304-6326. doi: 10.3168/jds.2020-19371. Epub 2021 Mar 6. PMID: 33685698.

Bogado Pascottini O, Spricigo JFW, Van Schyndel SJ, Mion B, Rousseau J, Weese JS, LeBlanc SJ. Effects of parity, blood progesterone, and non-steroidal anti-inflammatory treatment on the dynamics of the uterine microbiota of healthy postpartum dairy cows. PLoS One. 2021 Feb 19;16(2):e0233943. doi: 10.1371/journal.pone.0233943. PMID: 33606706; PMCID: PMC7895344.

Bogado Pascottini O, Bruinjé TC, Couto Serrenho R, Mion B, LeBlanc SJ. Association of metabolic markers with neutrophil function in healthy postpartum dairy cows. Vet Immunol Immunopathol. 2021 Feb;232:110182. doi:10.1016/j.vetimm.2020.110182. Epub 2020 Dec 31. PMID: 33401107.

Couto Serrenho R, Bruinjé TC, Morrison EI, Renaud DL, DeVries TJ, Duffield TF, LeBlanc SJ. Validation of a point-of-care handheld blood total calcium analyzer in postpartum dairy cows. JDS Commun. 2020 Dec 11;2(1):41-45. doi: 10.3168/jdsc.2020-0006. PMID: 36337292; PMCID: PMC9623686.

Cerri RLA, Burnett TA, Madureira AML, Silper BF, Denis-Robichaud J, LeBlanc S, Cooke RF, Vasconcelos JLM. Symposium review: Linking activity-sensor data and physiology to improve dairy cow fertility. J Dairy Sci. 2021 Jan;104(1):1220-1231. doi: 10.3168/jds.2019-17893. Epub 2020 Nov 12. PMID:33189287.

Pascottini OB, Van Schyndel SJ, Spricigo JFW, Rousseau J, Weese JS, LeBlanc SJ. Dynamics of uterine microbiota in postpartum dairy cows with clinical or subclinical endometritis. Sci Rep. 2020 Jul 23;10(1):12353. doi:10.1038/s41598-020-69317-z. PMID: 32704012; PMCID: PMC7378066.

Bogado Pascottini O, LeBlanc SJ. Metabolic markers for purulent vaginal discharge and subclinical endometritis in dairy cows. Theriogenology. 2020 Oct 1;155:43-48. doi:10.1016/j.theriogenology.2020.06.005. Epub 2020 Jun 8. PMID:32622204.

Couto Serrenho R, Morrison EI, Bogado Pascottini O, DeVries TJ, Duffield TF, LeBlanc SJ. The effect of prepartum negative dietary cation-anion difference and serum calcium concentration on blood neutrophil function in the transition period of healthy dairy cows. J Dairy Sci. 2020 Jul;103(7):6200-6208. doi:10.3168/jds.2019-18012. Epub 2020 May 14. PMID: 32418683.

Pascottini OB, Van Schyndel SJ, Spricigo JFW, Carvalho MR, Mion B, Ribeiro ES, LeBlanc SJ. Effect of anti-inflammatory treatment on systemic inflammation, immune function, and endometrial health in postpartum dairy cows. Sci Rep. 2020 Mar 23;10(1):5236. doi: 10.1038/s41598-020-62103-x. PMID: 32251312; PMCID:PMC7090035.

Shock DA, Coe JB, LeBlanc SJ, Leslie KE, Renaud D, Roche S, Hand K, Godkin MA, Kelton DF. Characterizing the attitudes and motivations of Ontario dairy producers toward udder health. J Dairy Sci. 2020 May;103(5):4618-4632. doi:10.3168/jds.2019-16621. Epub 2020 Mar 5. PMID: 32147271.

Winder CB, Sargeant JM, Hu D, Wang C, Kelton DF, Leblanc SJ, Duffield TF, Glanville J, Wood H, Churchill KJ, Dunn J, Bergevin MD, Dawkins K, Meadows S, Deb B, Reist M, Moody C, O’Connor AM. Comparative efficacy of teat sealants given prepartum for prevention of intramammary infections and clinical mastitis: a systematic review and network meta-analysis. Anim Health Res Rev. 2019 Dec;20(2):182-198. doi: 10.1017/S1466252319000276. PMID: 32081124.

Winder CB, Sargeant JM, Hu D, Wang C, Kelton DF, Leblanc SJ, Duffield TF, Glanville J, Wood H, Churchill KJ, Dunn J, Bergevin MD, Dawkins K, Meadows S, Deb B, Reist M, Moody C, O’Connor AM. Comparative efficacy of antimicrobial treatments in dairy cows at dry-off to prevent new intramammary infections during the dry period or clinical mastitis during early lactation: a systematic review and network meta-analysis. Anim Health Res Rev. 2019 Dec;20(2):199-216. doi: 10.1017/S1466252319000239. PMID: 32081120.

Winder CB, Sargeant JM, Kelton DF, Leblanc SJ, Duffield TF, Glanville J, Wood H, Churchill KJ, Dunn J, Bergevin MD, Dawkins K, Meadows S, O’Connor AM. Comparative efficacy of blanket versus selective dry-cow therapy: a systematic review and pairwise meta-analysis. Anim Health Res Rev. 2019 Dec;20(2):217-228. doi: 10.1017/S1466252319000306. PMID: 32081118.

Bogado Pascottini O, Probo M, LeBlanc SJ, Opsomer G, Hostens M. Assessment of associations between transition diseases and reproductive performance of dairy cows using survival analysis and decision tree algorithms. Prev Vet Med. 2020 Mar;176:104908. doi:10.1016/j.prevetmed.2020.104908. Epub 2020 Jan 30. PMID: 32036304.

LeBlanc SJ. Review: Relationships between metabolism and neutrophil function in dairy cows in the peripartum period. Animal. 2020 Mar;14(S1):s44-s54. doi: 10.1017/S1751731119003227. PMID: 32024567.

Pascottini OB, LeBlanc SJ. Modulation of immune function in the bovine uterus peripartum. Theriogenology. 2020 Jul 1;150:193-200. doi:10.1016/j.theriogenology.2020.01.042. Epub 2020 Jan 20. PMID: 31987594.

LeBlanc S. More sophisticated assessment of overall disease impact is needed to prioritise herd health efforts. Vet Rec. 2019 Oct 12;185(14):439-441. doi:10.1136/vr.l5921. PMID: 31604865.

Pascottini OB, Baquero M, Serrenho RC, Van Schyndel SJ, Bienzle D, LeBlanc SJ. Technical note: Assessment of neutrophil endocytosis and proteolytic degradation and its relationship with phagocytosis and oxidative burst in dairy cows. J Dairy Sci. 2019 Oct;102(10):9396-9400. doi: 10.3168/jds.2019-16687. Epub 2019 Aug 7. PMID: 31400893.

Pascottini OB, Carvalho MR, Van Schyndel SJ, Ticiani E, Spricigo JW, Mamedova LK, Ribeiro ES, LeBlanc SJ. Feed restriction to induce and meloxicam to mitigate potential systemic inflammation in dairy cows before calving. J Dairy Sci. 2019 Oct;102(10):9285-9297. doi: 10.3168/jds.2019-16558. Epub 2019 Aug 7.PMID: 31400891.

Renaud DL, Dhuyvetter KC, LeBlanc SJ, Kelton DF, Duffield TF, Overton MW. Effect of health status upon arrival at a single milk-fed veal facility on breakeven purchase price of calves. J Dairy Sci. 2019 Sep;102(9):8441-8453. doi:10.3168/jds.2018-15587. Epub 2019 Jul 3. PMID: 31279551.

Croyle SL, Belage E, Khosa DK, LeBlanc SJ, Haley DB, Kelton DF. Dairy farmers’ expectations and receptivity regarding animal welfare advice: A focus group study. J Dairy Sci. 2019 Aug;102(8):7385-7397. doi:10.3168/jds.2018-15821. Epub 2019 Jun 13. PMID: 31202646.

Winder CB, Churchill KJ, Sargeant JM, LeBlanc SJ, O’Connor AM, Renaud DL. Invited review: Completeness of reporting of experiments: REFLECTing on a year of animal trials in the Journal of Dairy Science. J Dairy Sci. 2019 Jun;102(6):4759-4771. doi: 10.3168/jds.2018-15797. Epub 2019 Apr 17. PMID:31005322.

Stephen CP, Johnson WH, Leblanc SJ, Foster RA, Chenier TS. The impact of ecbolic therapy in the early postpartum period on uterine involution and reproductive health in dairy cows. J Vet Med Sci. 2019 Mar 30;81(3):491-498. doi: 10.1292/jvms.18-0617. Epub 2019 Feb 5. PMID: 30726784; PMCID: PMC6451915.

Denis-Robichaud J, LeBlanc SJ, Jones-Bitton A, Silper BF, Aoki Cerri RL. Pilot Study to Evaluate the Association Between the Length of the Luteal Phase and Estrous Activity Detected by Automated Activity Monitoring in Dairy Cows. Front Vet Sci. 2018 Aug 31;5:210. doi:10.3389/fvets.2018.00210. PMID: 30234136;PMCID: PMC6127209.

Renaud DL, Overton MW, Kelton DF, LeBlanc SJ, Dhuyvetter KC, Duffield TF. Effect of health status evaluated at arrival on growth in milk-fed veal calves: A prospective single cohort study. J Dairy Sci. 2018 Nov;101(11):10383-10390.doi: 10.3168/jds.2018-14960. Epub 2018 Aug 23. PMID: 30146285.

King MTM, Sparkman KJ, LeBlanc SJ, DeVries TJ. Milk yield relative to supplement intake and rumination time differs by health status for fresh cows milked with automated systems. J Dairy Sci. 2018 Nov;101(11):10168-10176. doi:10.3168/jds.2018-14671. Epub 2018 Aug 23. PMID: 30146280.

Probo M, Pascottini OB, LeBlanc S, Opsomer G, Hostens M. Association between metabolic diseases and the culling risk of high-yielding dairy cows in a transition management facility using survival and decision tree analysis. J Dairy Sci. 2018 Oct;101(10):9419-9429. doi: 10.3168/jds.2018-14422. Epub 2018  Aug 16. PMID: 30122412.

Croyle SL, Nash CGR, Bauman C, LeBlanc SJ, Haley DB, Khosa DK, Kelton DF. Training method for animal-based measures in dairy cattle welfare assessments. J Dairy Sci. 2018 Oct;101(10):9463-9471. doi: 10.3168/jds.2018-14469. Epub 2018 Aug 16. PMID: 30122408. Van

Schyndel SJ, Bogado Pascottini O, LeBlanc SJ. Comparison of cow-side diagnostic techniques for subclinical endometritis in dairy cows. Theriogenology. 2018 Oct 15;120:117-122. doi:10.1016/j.theriogenology.2018.08.001. Epub 2018 Aug 9. PMID: 30114545.

Miltenburg CL, Duffield TF, Bienzle D, Scholtz EL, LeBlanc SJ. Short communication: The effect of calcium supplementation at calving on neutrophil function. J Dairy Sci. 2018 Oct;101(10):9505-9509. doi: 10.3168/jds.2018-14839. Epub 2018 Aug 9. PMID: 30100514.

Morrison EI, Reinhardt H, Leclerc H, DeVries TJ, LeBlanc SJ. Effect of rumen-protected B vitamins and choline supplementation on health, production, and reproduction in transition dairy cows. J Dairy Sci. 2018 Oct;101(10):9016-9027. doi: 10.3168/jds.2018-14663. Epub 2018 Aug 9. PMID:30100511.

Morrison EI, DeVries TJ, LeBlanc SJ. Short communication: Associations of udder edema with health, milk yield, and reproduction in dairy cows in early lactation. J Dairy Sci. 2018 Oct;101(10):9521-9526. doi: 10.3168/jds.2018-14539. Epub 2018 Aug 9. PMID: 30100499.

Proudfoot KL, Weary DM, LeBlanc SJ, Mamedova LK, von Keyserlingk MAG. Exposure to an unpredictable and competitive social environment affects behavior and health of transition dairy cows. J Dairy Sci. 2018 Oct;101(10):9309-9320. doi: 10.3168/jds.2017-14115. Epub 2018 Aug 1. PMID: 30077452.

Medrano-Galarza C, LeBlanc SJ, DeVries TJ, Jones-Bitton A, Rushen J, Marie de Passillé A, Endres MI, Haley DB. Effect of age of introduction to an automated milk feeder on calf learning and performance and labor requirements. J Dairy Sci. 2018 Oct;101(10):9371-9384. doi: 10.3168/jds.2018-14390. Epub 2018 Jul 25. PMID: 30055924.

Renaud DL, Duffield TF, LeBlanc SJ, Kelton DF. Short communication: Validation of methods for practically evaluating failed passive transfer of immunity in calves arriving at a veal facility. J Dairy Sci. 2018 Oct;101(10):9516-9520. doi: 10.3168/jds.2018-14723. Epub 2018 Jul 25. PMID: 30055915.

Heiser A, LeBlanc SJ, McDougall S. Pegbovigrastim treatment affects gene expression in neutrophils of pasture-fed, periparturient cows. J Dairy Sci. 2018 Sep;101(9):8194-8207. doi:10.3168/jds.2017-14129. Epub 2018 Jun 28. PMID:29960779.

Van Schyndel SJ, Carrier J, Bogado Pascottini O, LeBlanc SJ. The effect of pegbovigrastim on circulating neutrophil count in dairy cattle: A randomized controlled trial. PLoS One. 2018 Jun 28;13(6):e0198701. doi:10.1371/journal.pone.0198701. PMID: 29953439; PMCID:PMC6023130.

Gohary K, LeBlanc SJ. Cost of retained fetal membranes for dairy herds in the United States. J Am Vet Med Assoc. 2018 Jun 15;252(12):1485-1489. doi:10.2460/javma.252.12.1485. PMID: 29889640.

Rearte R, LeBlanc SJ, Corva SG, de la Sota RL, Lacau-Mengido IM, Giuliodori MJ. Effect of milk production on reproductive performance in dairy herds. J Dairy Sci. 2018 Aug;101(8):7575-7584. doi: 10.3168/jds.2017-13796. Epub 2018 May 24. PMID: 29803419.

Winder CB, Miltenburg CL, Sargeant JM, LeBlanc SJ, Haley DB, Lissemore KD, Godkin MA, Duffield TF. Effects of local anesthetic or systemic analgesia on pain associated with cautery disbudding in calves: A systematic review and meta-analysis. J Dairy Sci. 2018 Jun;101(6):5411-5427. doi: 10.3168/jds.2017-14092. Epub 2018 Mar 15. PMID: 29550129.

Miltenburg CL, Duffield TF, Bienzle D, Scholtz EL, LeBlanc SJ. The effect of prepartum feeding and lying space on metabolic health and immune function. J Dairy Sci. 2018 Jun;101(6):5294-5306. doi: 10.3168/jds.2017-13481. Epub 2018 Mar 15. PMID: 29550123.

Wilson TR, LeBlanc SJ, DeVries TJ, Haley DB. Effect of stall design on dairy calf transition to voluntary feeding on an automatic milk feeder after introduction to group housing. J Dairy Sci. 2018 Jun;101(6):5307-5316. doi:10.3168/jds.2017-14011. Epub 2018 Mar 15. PMID: 29550116.

Dunn TR, Ollivett TL, Renaud DL, Leslie KE, LeBlanc SJ, Duffield TF, Kelton DF. The effect of lung consolidation, as determined by ultrasonography, on first-lactation milk production in Holstein dairy calves. J Dairy Sci. 2018 Jun;101(6):5404-5410. doi: 10.3168/jds.2017-13870. Epub 2018 Mar 7. PMID: 29525311.

Bran JA, Daros RR, von Keyserlingk MAG, LeBlanc SJ, Hötzel MJ. Cow- and herd-level factors associated with lameness in small-scale grazing dairy herds in Brazil. Prev Vet Med. 2018 Mar 1;151:79-86. doi:10.1016/j.prevetmed.2018.01.006. Epub 2018 Jan 31. PMID: 29496110.

Lomb J, Neave HW, Weary DM, LeBlanc SJ, Huzzey JM, von Keyserlingk MAG. Changes in feeding, social, and lying behaviors in dairy cows with metritis following treatment with a nonsteroidal anti-inflammatory drug as adjunctive treatment to an antimicrobial. J Dairy Sci. 2018 May;101(5):4400-4411. doi:10.3168/jds.2017-13812. Epub 2018 Feb 21. PMID: 29477521.

Neave HW, Lomb J, Weary DM, LeBlanc SJ, Huzzey JM, von Keyserlingk MAG. Behavioral changes before metritis diagnosis in dairy cows. J Dairy Sci. 2018 May;101(5):4388-4399. doi: 10.3168/jds.2017-13078. Epub 2018 Feb 21. PMID:29477519.

King MTM, LeBlanc SJ, Pajor EA, Wright TC, DeVries TJ. Behavior and productivity of cows milked in automated systems before diagnosis of health disorders in early lactation. J Dairy Sci. 2018 May;101(5):4343-4356. doi:10.3168/jds.2017-13686. Epub 2018 Feb 15. PMID: 29454684.

Renaud DL, Duffield TF, LeBlanc SJ, Ferguson S, Haley DB, Kelton DF. Risk factors associated with mortality at a milk-fed veal calf facility: A prospective cohort study. J Dairy Sci. 2018 Mar;101(3):2659-2668. doi:10.3168/jds.2017-13581. Epub 2017 Dec 28. PMID: 29290439.

Medrano-Galarza C, LeBlanc SJ, Jones-Bitton A, DeVries TJ, Rushen J, Marie de Passillé A, Endres MI, Haley DB. Associations between management practices and within-pen prevalence of calf diarrhea and respiratory disease on dairy farms using automated milk feeders. J Dairy Sci. 2018 Mar;101(3):2293-2308. doi:10.3168/jds.2017-13733. Epub 2017 Dec 28. PMID: 29290433.

Renaud DL, Duffield TF, LeBlanc SJ, Haley DB, Kelton DF. Clinical and metabolic indicators associated with early mortality at a milk-fed veal facility: A prospective case-control study. J Dairy Sci. 2018 Mar;101(3):2669-2678. doi: 10.3168/jds.2017-14042. Epub 2017 Dec 28. PMID: 29290429.

Renaud DL, Kelton DF, LeBlanc SJ, Haley DB, Duffield TF. Calf management risk factors on dairy farms associated with male calf mortality on veal farms. J Dairy Sci. 2018 Feb;101(2):1785-1794. doi: 10.3168/jds.2017-13578. Epub 2017 Dec 14. PMID: 29248230.

LeRoy CNS, Walton JS, LeBlanc SJ. Estrous detection intensity and accuracy and optimal timing of insemination with automated activity monitors for dairy cows. J Dairy Sci. 2018 Feb;101(2):1638-1647. doi: 10.3168/jds.2017-13505. Epub 2017 Dec 8. PMID: 29224860.

Denis-Robichaud J, Cerri RLA, Jones-Bitton A, LeBlanc SJ. Performance of automated activity monitoring systems used in combination with timed artificial insemination compared to timed artificial insemination only in early lactation in dairy cows. J Dairy Sci. 2018 Jan;101(1):624-636. doi: 10.3168/jds.2016-12256. Epub 2017 Oct 18. PMID: 29055551.  

Winder CB, LeBlanc SJ, Haley DB, Lissemore KD, Godkin MA, Duffield TF. Comparison of online, hands-on, and a combined approach for teaching cautery disbudding technique to dairy producers. J Dairy Sci. 2018 Jan;101(1):840-849. doi: 10.3168/jds.2017-13217. Epub 2017 Oct 18. PMID: 29055546.

Kaufman EI, Asselstine VH, LeBlanc SJ, Duffield TF, DeVries TJ. Association of rumination time and health status with milk yield and composition in early-lactation dairy cows. J Dairy Sci. 2018 Jan;101(1):462-471. doi:10.3168/jds.2017-12909. Epub 2017 Oct 18. PMID: 29055534.

Denis-Robichaud J, Cerri RLA, Jones-Bitton A, LeBlanc SJ. Dairy producers’ attitudes toward reproductive management and performance on Canadian dairy farms. J Dairy Sci. 2018 Jan;101(1):850-860. doi: 10.3168/jds.2016-12416. Epub 2017 Oct 18. PMID: 29055532.

Wynands EM, LeBlanc SJ, Kelton DF. Short communication: The effect of storage conditions and storage duration on milk ELISA results for pregnancy diagnosis. J Dairy Sci. 2017 Dec;100(12):9781-9786. doi: 10.3168/jds.2017-12799.Epub 2017 Oct 4. PMID: 28987575.

Renaud DL, Kelton DF, LeBlanc SJ, Haley DB, Jalbert AB, Duffield TF. Validation of commercial luminometry swabs for total bacteria and coliform counts in colostrum-feeding equipment. J Dairy Sci. 2017 Nov;100(11):9459-9465. doi: 10.3168/jds.2017-13228. Epub 2017 Sep 13. PMID: 28918141.

Daros RR, Hötzel MJ, Bran JA, LeBlanc SJ, von Keyserlingk MAG. Prevalence and risk factors for transition period diseases in grazing dairy cows in Brazil. Prev Vet Med. 2017 Sep 15;145:16-22. doi: 10.1016/j.prevetmed.2017.06.004. Epub 2017 Jun 9. PMID: 28903871.

King MTM, Dancy KM, LeBlanc SJ, Pajor EA, DeVries TJ. Deviations in behavior and productivity data before diagnosis of health disorders in cows milked with an automated system. J Dairy Sci. 2017 Oct;100(10):8358-8371. doi:10.3168/jds.2017-12723. Epub 2017 Jul 26. PMID: 28755933.

Winder CB, LeBlanc SJ, Haley DB, Lissemore KD, Godkin MA, Duffield TF.Comparison of an online learning module to hands-on training in teaching a cautery disbudding technique for dairy calves including cornual nerve block application. Can Vet J. 2017 Jul;58(7):735-740. PMID: 28698693; PMCID:PMC5479662.

McDougall S, LeBlanc SJ, Heiser A. Effect of prepartum energy balance on neutrophil function following pegbovigrastim treatment in periparturient cows. J Dairy Sci. 2017 Sep;100(9):7478-7492. doi: 10.3168/jds.2017-12786. Epub 2017 Jun21. PMID: 28647326.

Medrano-Galarza C, LeBlanc SJ, DeVries TJ, Jones-Bitton A, Rushen J, Marie de Passillé A, Haley DB. A survey of dairy calf management practices among farms using manual and automated milk feeding systems in Canada. J Dairy Sci. 2017Aug;100(8):6872-6884. doi: 10.3168/jds.2016-12273. Epub 2017 May 30. PMID:28571987.

Winder CB, LeBlanc SJ, Haley DB, Lissemore KD, Godkin MA, Duffield TF. Clinical trial of local anesthetic protocols for acute pain associated with caustic paste disbudding in dairy calves. J Dairy Sci. 2017 Aug;100(8):6429-6441. doi: 10.3168/jds.2017-12724. Epub 2017 May 24. PMID:28551190.

Renaud DL, Duffield TF, LeBlanc SJ, Haley DB, Kelton DF. Management practices for male calves on Canadian dairy farms. J Dairy Sci. 2017 Aug;100(8):6862-6871. doi: 10.3168/jds.2017-12750. Epub 2017 May 24. PMID:28551179.

King MTM, LeBlanc SJ, Pajor EA, DeVries TJ. Cow-level associations of lameness, behavior, and milk yield of cows milked in automated systems. J Dairy Sci. 2017 Jun;100(6):4818-4828. doi: 10.3168/jds.2016-12281. Epub 2017 Apr 21. PMID: 28434734.

Gordon JL, LeBlanc SJ, Kelton DF, Herdt TH, Neuder L, Duffield TF. Randomized clinical field trial on the effects of butaphosphan-cyanocobalamin and propylene glycol on ketosis resolution and milk production. J Dairy Sci. 2017 May;100(5):3912-3921. doi: 10.3168/jds.2016-11926. Epub 2017 Mar 2. PMID:28259407.

Gordon JL, Duffield TF, Herdt TH, Kelton DF, Neuder L, LeBlanc SJ. Effects of a combination butaphosphan and cyanocobalamin product and insulin on ketosis resolution and milk production. J Dairy Sci. 2017 Apr;100(4):2954-2966. doi:10.3168/jds.2016-11925. Epub 2017 Feb 16. PMID: 28215889.

Tatone EH, Duffield TF, LeBlanc SJ, DeVries TJ, Gordon JL. Investigating the within-herd prevalence and risk factors for ketosis in dairy cattle in Ontario as diagnosed by the test-day concentration of β-hydroxybutyrate in milk. J Dairy Sci. 2017 Feb;100(2):1308-1318. doi: 10.3168/jds.2016-11453. Epub 2016 Dec 21. PMID: 28012623.

Villettaz Robichaud M, Pearl DL, Godden SM, LeBlanc SJ, Haley DB. Systematic early obstetrical assistance at calving: I. Effects on dairy calf stillbirth, vigor, and passive immunity transfer. J Dairy Sci. 2017 Jan;100(1):691-702. doi:10.3168/jds.2016-11213. Epub 2016 Nov 3. PMID: 27816240.

Villettaz Robichaud M, Pearl DL, Godden SM, Rushen J, LeBlanc SJ, Haley DB. Systematic early obstetrical assistance at calving: II. Effects on dairy heifer calf growth, health, and survival to weaning. J Dairy Sci. 2017 Jan;100(1):703-712. doi: 10.3168/jds.2016-11214. Epub 2016 Nov 3. PMID:27816238.

Denis-Robichaud J, Cerri RLA, Jones-Bitton A, LeBlanc SJ. Survey of reproduction management on Canadian dairy farms. J Dairy Sci. 2016 Nov;99(11):9339-9351. doi: 10.3168/jds.2016-11445. Epub 2016 Sep 13. PMID:27638267.

Tatone EH, Duffield TF, Capel MB, DeVries TJ, LeBlanc SJ, Gordon JL. A randomized controlled trial of dexamethasone as an adjunctive therapy to propylene glycol for treatment of hyperketonemia in postpartum dairy cattle. J Dairy Sci. 2016 Nov;99(11):8991-9000. doi: 10.3168/jds.2016-11358. Epub 2016 Sep 13. PMID: 27638258.

King MTM, Pajor EA, LeBlanc SJ, DeVries TJ. Associations of herd-level housing, management, and lameness prevalence with productivity and cow behavior in herds with automated milking systems. J Dairy Sci. 2016 Nov;99(11):9069-9079. doi: 10.3168/jds.2016-11329. Epub 2016 Aug 31. PMID: 27592439.

Winder CB, LeBlanc SJ, Haley DB, Lissemore KD, Godkin MA, Duffield TF. Practices for the disbudding and dehorning of dairy calves by veterinarians and dairy producers in Ontario, Canada. J Dairy Sci. 2016 Dec;99(12):10161-10173. doi: 10.3168/jds.2016-11270. Epub 2016 Sep 21. PMID: 27665137.

Tatone EH, Gordon JL, Hubbs J, LeBlanc SJ, DeVries TJ, Duffield TF. A systematic review and meta-analysis of the diagnostic accuracy of point-of-care tests for the detection of hyperketonemia in dairy cows. Prev Vet Med. 2016 Aug 1;130:18-32. doi: 10.1016/j.prevetmed.2016.06.002. Epub 2016 Jun 2. PMID:27435643.

Gohary K, Overton MW, Von Massow M, LeBlanc SJ, Lissemore KD, Duffield TF. Economic value of ionophores and propylene glycol to prevent disease and treat ketosis in Canada. Can Vet J. 2016 Jul;57(7):733-40. PMID: 27429461; PMCID:PMC4904809.

Gohary K, Overton MW, Von Massow M, LeBlanc SJ, Lissemore KD, Duffield TF. The cost of a case of subclinical ketosis in Canadian dairy herds. Can Vet J.2016 Jul;57(7):728-32. PMID: 27429460; PMCID: PMC4904808.

Kaufman EI, LeBlanc SJ, McBride BW, Duffield TF, DeVries TJ. Short communication: Association of lying behavior and subclinical ketosis in transition dairy cows. J Dairy Sci. 2016 Sep;99(9):7473-7480. doi:10.3168/jds.2016-11185. Epub 2016 Jul 7. PMID: 27394948.

Miltenburg CL, Duffield TF, Bienzle D, Scholtz EL, LeBlanc SJ. Randomized clinical trial of a calcium supplement for improvement of health in dairy cows in early lactation. J Dairy Sci. 2016 Aug;99(8):6550-6562. doi:10.3168/jds.2016-10961. Epub 2016 Jun 2. PMID: 27265174.

Solano L, Barkema HW, Mason S, Pajor EA, LeBlanc SJ, Orsel K. Prevalence and distribution of foot lesions in dairy cattle in Alberta, Canada. J Dairy Sci. 2016 Aug;99(8):6828-6841. doi:10.3168/jds.2016-10941. Epub 2016 May 26.PMID: 27236761.

Kaufman EI, LeBlanc SJ, McBride BW, Duffield TF, DeVries TJ. Association of rumination time with subclinical ketosis in transition dairy cows. J Dairy Sci.2016 Jul;99(7):5604-5618. doi:10.3168/jds.2015-10509. Epub 2016 May 4. PMID:27132097.

Solano L, Barkema HW, Pajor EA, Mason S, LeBlanc SJ, Nash CGR, Haley DB, Pellerin D, Rushen J, de Passillé AM, Vasseur E, Orsel K. Associations between lying behavior and lameness in Canadian Holstein-Friesian cows housed in freestall barns. J Dairy Sci. 2016 Mar;99(3):2086-2101. doi: 10.3168/jds.2015-10336. Epub 2016 Jan 21. PMID: 26805982.

Shock DA, LeBlanc SJ, Leslie KE, Hand K, Godkin MA, Coe JB, Kelton DF. Studying the relationship between on-farm environmental conditions and local meteorological station data during the summer. J Dairy Sci. 2016 Mar;99(3):2169-2179. doi: 10.3168/jds.2015-9795. Epub 2016 Jan 6. PMID: 26778304.

Villettaz Robichaud M, de Passillé AM, Pearl DL, LeBlanc SJ, Godden SM, Pellerin D, Vasseur E, Rushen J, Haley DB. Calving management practices on Canadian dairy farms: Prevalence of practices. J Dairy Sci. 2016 Mar;99(3):2391-2404. doi: 10.3168/jds.2015-9641. Epub 2015 Dec 24. PMID:26723128.

Lean IJ, Lucy MC, McNamara JP, Bradford BJ, Block E, Thomson JM, Morton JM, Celi P, Rabiee AR, Santos JE, Thatcher WW, LeBlanc SJ. Invited review: Recommendations for reporting intervention studies on reproductive performance in dairy cattle: Improving design, analysis, and interpretation of research on reproduction. J Dairy Sci. 2016 Jan;99(1):1-17. doi: 10.3168/jds.2015-9445. Epub 2015 Sep 18. PMID: 26387020; PMCID: PMC7546966.

Barkema HW, von Keyserlingk MA, Kastelic JP, Lam TJ, Luby C, Roy JP, LeBlanc SJ, Keefe GP, Kelton DF. Invited review: Changes in the dairy industry affecting dairy cattle health and welfare. J Dairy Sci. 2015 Nov;98(11):7426-45. doi: 10.3168/jds.2015-9377. Epub 2015 Sep 3. PMID: 26342982.

Solano L, Barkema HW, Pajor EA, Mason S, LeBlanc SJ, Zaffino Heyerhoff JC, Nash CG, Haley DB, Vasseur E, Pellerin D, Rushen J, de Passillé AM, Orsel K.Prevalence of lameness and associated risk factors in Canadian Holstein-Friesian cows housed in freestall barns. J Dairy Sci. 2015 Oct;98(10):6978-91. doi:10.3168/jds.2015-9652. Epub 2015 Aug 5. PMID: 26254526.

Jelinski MD, LeBlanc S, Kennedy R. Demographics of the Canadian dairy industry from 1991 to 2011. Can Vet J. 2015 Jul;56(7):701-8. PMID: 26130831;PMCID: PMC4466820.

Gohary K, Leslie KE, Ford J, Capel M, LeBlanc SJ, Duffield TF. Effect of administration of recombinant bovine somatotropin on health and performance of lactating dairy cows diagnosed with hyperketonemia. J Dairy Sci. 2015 Jul;98(7):4392-400. doi: 10.3168/jds.2014-8235. Epub 2015 Apr 29. PMID:25935251.

Tatone EH, Gordon JL, LeBlanc SJ, Duffield TF. Evaluation of a handheld device for measurement of β-hydroxybutyrate concentration to identify prepartum dairy cattle at risk of developing postpartum hyperketonemia. J Am Vet Med Assoc. 2015 May 15;246(10):1112-7. doi:10.2460/javma.246.10.1112. PMID:25932937.

Reynen JL, Kelton DF, LeBlanc SJ, Newby NC, Duffield TF. Factors associated with survival in the herd for dairy cows following surgery to correct left displaced abomasum. J Dairy Sci. 2015 Jun;98(6):3806-13. doi:10.3168/jds.2014-9017. Epub 2015 Apr 16. PMID: 25892696.

Shock DA, LeBlanc SJ, Leslie KE, Hand K, Godkin MA, Coe JB, Kelton DF. Exploring the characteristics and dynamics of Ontario dairy herds experiencing increases in bulk milk somatic cell count during the summer. J Dairy Sci. 2015 Jun;98(6):3741-53. doi: 10.3168/jds.2014-8675. Epub 2015 Apr 8. PMID: 25864052.

de Boer M, Buddle BM, Heuer C, Hussein H, Zheng T, LeBlanc SJ, McDougall S. Associations between intrauterine bacterial infection, reproductive tract inflammation, and reproductive performance in pasture-based dairy cows. Theriogenology. 2015 Jun;83(9):1514-24. doi:10.1016/j.theriogenology.2015.01.032. Epub 2015 Feb 7. PMID: 25801340.

Windeyer MC, Leslie KE, Godden SM, Hodgins DC, Lissemore KD, LeBlanc SJ. Association of bovine respiratory disease or vaccination with serologic response in dairy heifer calves up to three months of age. Am J Vet Res. 2015 Mar;76(3):239-45. doi: 10.2460/ajvr.76.3.239. PMID: 25710760.

Neves RC, LeBlanc SJ. Reproductive management practices and performance of Canadian dairy herds using automated activity-monitoring systems. J Dairy Sci. 2015 Apr;98(4):2801-11. doi: 10.3168/jds.2014-8221. Epub 2015 Feb 7. PMID:25660748.

LeBlanc S. Agriculture: Intensive dairy farms becoming greener. Nature. 2014 Sep 25;513(7519):487. doi: 10.1038/513487b. PMID: 25254465.

Gohary K, LeBlanc SJ, Lissemore KD, Overton MW, Von Massow M, Duffield TF. Effect of prepartum administration of recombinant bovine somatotropin on health and performance of lactating dairy cows. J Dairy Sci. 2014 Oct;97(10):6231-41. doi: 10.3168/jds.2014-8048. Epub 2014 Jul 30. PMID: 25087023.

Broes A, LeBlanc SJ. Comparison of commercial progesterone assays for evaluation of luteal status in dairy cows. Can Vet J. 2014 Jun;55(6):582-4. PMID: 24891644; PMCID: PMC4022029.

de Boer MW, LeBlanc SJ, Dubuc J, Meier S, Heuwieser W, Arlt S, Gilbert RO, McDougall S. Invited review: Systematic review of diagnostic tests for reproductive-tract infection and inflammation in dairy cows. J Dairy Sci. 2014 Jul;97(7):3983-99. doi: 10.3168/jds.2013-7450. Epub 2014 May 16. PMID: 24835959.

Newby NC, Tucker CB, Pearl DL, LeBlanc SJ, Leslie KE, von Keyserlingk MA, Duffield TF. An investigation of the effects of ketoprofen following rumen fistulation surgery in lactating dairy cows. Can Vet J. 2014 May;55(5):442-8.PMID: 24790229; PMCID: PMC3992304.

LeBlanc SJ. Reproductive tract inflammatory disease in postpartum dairy cows. Animal. 2014 May;8 Suppl 1:54-63. doi: 10.1017/S1751731114000524. Epub 2014 Mar 28. PMID: 24679404.

Zaffino Heyerhoff JC, LeBlanc SJ, DeVries TJ, Nash CG, Gibbons J, Orsel K, Barkema HW, Solano L, Rushen J, de Passillé AM, Haley DB. Prevalence of and factors associated with hock, knee, and neck injuries on dairy cows in freestall housing in Canada. J Dairy Sci. 2014;97(1):173-84. doi: 10.3168/jds.2012-6367.PMID: 24359942.

Windeyer MC, Leslie KE, Godden SM, Hodgins DC, Lissemore KD, LeBlanc SJ. Factors associated with morbidity, mortality, and growth of dairy heifer calves up to 3 months of age. Prev Vet Med. 2014 Feb 1;113(2):231-40. doi:10.1016/j.prevetmed.2013.10.019. Epub 2013 Nov 1. PMID: 24269039.

Sova AD, LeBlanc SJ, McBride BW, DeVries TJ. Accuracy and precision of total mixed rations fed on commercial dairy farms. J Dairy Sci.2014;97(1):562-71. doi: 10.3168/jds.2013-6951. Epub 2013 Nov 7. PMID: 24210489.

Chapinal N, von Keyserlingk MAG, Cerri RLA, Ito K, LeBlanc SJ, Weary DM. Short communication: Herd-level reproductive performance and its relationship with lameness and leg injuries in freestall dairy herds in the northeastern United States. J Dairy Sci. 2013;96(11):7066-7072. doi: 10.3168/jds.2013-6967.Epub 2013 Sep 18. PMID: 24054289.

Newby NC, Tucker CB, Pearl DL, LeBlanc SJ, Leslie KE, von Keyserlingk MA, Duffield TF. Short communication: a comparison of 2 nonsteroidal antiinflammatory drugs following the first stage of a 2-stage fistulation surgery in dry dairy cows. J Dairy Sci. 2013 Oct;96(10):6514-9. doi:10.3168/jds.2013-6579. Epub 2013 Aug 16. PMID: 23958012.

Stanton AL, Kelton DF, LeBlanc SJ, Wormuth J, Fox LK, Leslie KE. Effects of tulathromycin on incidence of various diseases and growth of young heifers. J Am Vet Med Assoc. 2013 Jul 15;243(2):267-76. doi: 10.2460/javma.243.2.267. PMID:23822085.

Cardoso FC, LeBlanc SJ, Murphy MR, Drackley JK. Prepartum nutritional strategy affects reproductive performance in dairy cows. J Dairy Sci. 2013 Sep;96(9):5859-71. doi: 10.3168/jds.2013-6759. Epub 2013 Jun 28. PMID: 23810594.

Gordon JL, Leblanc SJ, Duffield TF. Ketosis treatment in lactating dairy cattle. Vet Clin North Am Food Anim Pract. 2013 Jul;29(2):433-45. doi:10.1016/j.cvfa.2013.03.001. Epub 2013 May 4. PMID: 23809899.

Wittrock JA, Duffield TF, LeBlanc SJ. Short communication: validation of a point-of-care glucometer for use in dairy cows. J Dairy Sci. 2013 Jul;96(7):4514-8. doi: 10.3168/jds.2012-6533. Epub 2013 May 16. PMID: 23684029.

Sova AD, LeBlanc SJ, McBride BW, DeVries TJ. Associations between herd- level feeding management practices, feed sorting, and milk production in freestall dairy farms. J Dairy Sci. 2013 Jul;96(7):4759-70. doi:10.3168/jds.2013-6679. Epub 2013 May 6. PMID: 23660144.

Newby NC, Pearl DL, Leblanc SJ, Leslie KE, von Keyserlingk MA, Duffield TF.Effects of meloxicam on milk production, behavior, and feed intake in dairy cows following assisted calving. J Dairy Sci. 2013 Jun;96(6):3682-8. doi:10.3168/jds.2012-6214. Epub 2013 Apr 5. PMID: 23567050.

McDougall S, de Boer M, Compton C, Leblanc SJ. Clinical trial of treatment programs for purulent vaginal discharge in lactating dairy cattle in New Zealand. Theriogenology. 2013 May;79(8):1139-45. doi:10.1016/j.theriogenology.2013.02.002. Epub 2013 Mar 15. PMID: 23499414.

Newby NC, Duffield TF, Pearl DL, Leslie KE, LeBlanc SJ, von Keyserlingk MAG. Short communication: use of a mechanical brush by Holstein dairy cattle around parturition. J Dairy Sci. 2013 Apr;96(4):2339-2344. doi:10.3168/jds.2012-6016. Epub 2013 Feb 22. PMID: 23462171.

LeBlanc SJ. Short communication: field evaluation of a pregnancy confirmation test using milk samples in dairy cows. J Dairy Sci. 2013 Apr;96(4):2345-2348. doi: 10.3168/jds.2012-6414. Epub 2013 Feb 10. PMID:23403192.

Newby NC, Pearl DL, LeBlanc SJ, Leslie KE, von Keyserlingk MA, Duffield TF.The effect of administering ketoprofen on the physiology and behavior of dairy cows following surgery to correct a left displaced abomasum. J Dairy Sci. 2013 Mar;96(3):1511-20. doi: 10.3168/jds.2012-5566. Epub 2013 Jan 16. PMID: 23332850.

Windeyer MC, Leslie KE, Godden SM, Hodgins DC, Lissemore KD, LeBlanc SJ. The effects of viral vaccination of dairy heifer calves on the incidence of respiratory disease, mortality, and growth. J Dairy Sci. 2012 Nov;95(11):6731-9.doi: 10.3168/jds.2012-5828. Epub 2012 Sep 7. PMID: 22959931.

LeBlanc SJ. Interactions of metabolism, inflammation, and reproductive tract health in the postpartum period in dairy cattle. Reprod Domest Anim. 2012 Aug;47 Suppl 5:18-30. doi: 10.1111/j.1439-0531.2012.02109.x. PMID: 22913557.

Stanton AL, Kelton DF, LeBlanc SJ, Wormuth J, Leslie KE. The effect of respiratory disease and a preventative antibiotic treatment on growth, survival, age at first calving, and milk production of dairy heifers. J Dairy Sci. 2012 Sep;95(9):4950-4960. doi: 10.3168/jds.2011-5067. PMID: 22916899.

Neves RC, Leslie KE, Walton JS, Leblanc SJ. Reproductive performance with an automated activity monitoring system versus a synchronized breeding program. J Dairy Sci. 2012 Oct;95(10):5683-93. doi: 10.3168/jds.2011-5264. Epub 2012 Aug 15. PMID: 22901474.

Chapinal N, Leblanc SJ, Carson ME, Leslie KE, Godden S, Capel M, Santos JE, Overton MW, Duffield TF. Herd-level association of serum metabolites in the transition period with disease, milk production, and early lactation reproductive performance. J Dairy Sci. 2012 Oct;95(10):5676-82. doi:10.3168/jds.2011-5132. Epub 2012 Aug 3. PMID: 22863094.

Roberts T, Chapinal N, Leblanc SJ, Kelton DF, Dubuc J, Duffield TF. Metabolic parameters in transition cows as indicators for early-lactation culling risk. J Dairy Sci. 2012 Jun;95(6):3057-63. doi: 10.3168/jds.2011-4937.

Dubuc J, Duffield TF, Leslie KE, Walton JS, LeBlanc SJ. Risk factors and effects of postpartum anovulation in dairy cows. J Dairy Sci. 2012 Apr;95(4):1845-54. doi: 10.3168/jds.2011-4781. PMID: 22459832.

Chapinal N, Carson ME, LeBlanc SJ, Leslie KE, Godden S, Capel M, Santos JE, Overton MW, Duffield TF. The association of serum metabolites in the transition period with milk production and early-lactation reproductive performance. J Dairy Sci. 2012 Mar;95(3):1301-9. doi: 10.3168/jds.2011-4724. PMID: 22365212.

Jawor PE, Huzzey JM, LeBlanc SJ, von Keyserlingk MA. Associations of subclinical hypocalcemia at calving with milk yield, and feeding, drinking, and standing behaviors around parturition in Holstein cows. J Dairy Sci. 2012 Mar;95(3):1240-8. doi: 10.3168/jds.2011-4586. PMID: 22365207.

Cardoso FC, Sears W, LeBlanc SJ, Drackley JK. Technical note: comparison of 3 methods for analyzing areas under the curve for glucose and nonesterified fatty acids concentrations following epinephrine challenge in dairy cows. J Dairy Sci. 2011 Dec;94(12):6111-5. doi: 10.3168/jds.2011-4627. PMID: 22118098.

Chapinal N, Carson M, Duffield TF, Capel M, Godden S, Overton M, Santos JE, LeBlanc SJ. The association of serum metabolites with clinical disease during the transition period. J Dairy Sci. 2011 Oct;94(10):4897-903. doi:10.3168/jds.2010-4075. PMID: 21943741.

LeBlanc SJ, Osawa T, Dubuc J. Reproductive tract defense and disease in postpartum dairy cows. Theriogenology. 2011 Dec;76(9):1610-8. doi:10.1016/j.theriogenology.2011.07.017. Epub 2011 Sep 3. PMID: 21890187.

Dubuc J, Duffield TF, Leslie KE, Walton JS, Leblanc SJ. Effects of postpartum uterine diseases on milk production and culling in dairy cows. J Dairy Sci. 2011 Mar;94(3):1339-46. doi: 10.3168/jds.2010-3758. PMID: 21338799.

Dubuc J, Duffield TF, Leslie KE, Walton JS, Leblanc SJ. Randomized clinical trial of antibiotic and prostaglandin treatments for uterine health and reproductive performance in dairy cows. J Dairy Sci. 2011 Mar;94(3):1325-38. doi: 10.3168/jds.2010-3757. PMID: 21338798.

Dubuc J, Duffield TF, Leslie KE, Walton JS, LeBlanc SJ. Risk factors for postpartum uterine diseases in dairy cows. J Dairy Sci. 2010 Dec;93(12):5764-71. doi: 10.3168/jds.2010-3429. PMID: 21094748.

Dubuc J, Duffield TF, Leslie KE, Walton JS, LeBlanc SJ. Definitions and diagnosis of postpartum endometritis in dairy cows. J Dairy Sci. 2010 Nov;93(11):5225-33. doi: 10.3168/jds.2010-3428. PMID: 20965337.

Ito K, von Keyserlingk MA, Leblanc SJ, Weary DM. Lying behavior as an indicator of lameness in dairy cows. J Dairy Sci. 2010 Aug;93(8):3553-60. doi:10.3168/jds.2009-2951. PMID: 20655423.

LeBlanc S. Monitoring metabolic health of dairy cattle in the transition period. J Reprod Dev. 2010 Jan;56 Suppl:S29-35. doi: 10.1262/jrd.1056s29. PMID:20629214.

LeBlanc S. Assessing the association of the level of milk production with reproductive performance in dairy cattle. J Reprod Dev. 2010 Jan;56 Suppl:S1-7.doi: 10.1262/jrd.1056s01. PMID: 20629210.

Seifi HA, Leblanc SJ, Leslie KE, Duffield TF. Metabolic predictors of post-partum disease and culling risk in dairy cattle. Vet J. 2011 May;188(2):216-20.doi: 10.1016/j.tvjl.2010.04.007. Epub 2010 May 8. PMID: 20457532.

Quiroz-Rocha GF, LeBlanc SJ, Duffield TF, Jefferson B, Wood D, Leslie KE, Jacobs RM. Short communication: Effect of sampling time relative to the first daily feeding on interpretation of serum fatty acid and beta-hydroxybutyrate concentrations in dairy cattle. J Dairy Sci. 2010 May;93(5):2030-3. doi:10.3168/jds.2009-2141. PMID: 20412917.

Stanton AL, Kelton DF, Leblanc SJ, Millman ST, Wormuth J, Dingwell RT,Leslie KE. The effect of treatment with long-acting antibiotic at postweaning movement on respiratory disease and on growth in commercial dairy calves. J Dairy Sci. 2010 Feb;93(2):574-81. doi: 10.3168/jds.2009-2414. PMID: 20105529.

Quiroz-Rocha GF, LeBlanc SJ, Duffield TF, Wood D, Leslie KE, Jacobs RM. Reference limits for biochemical and hematological analytes of dairy cows one week before and one week after parturition. Can Vet J. 2009 Apr;50(4):383-8.PMID: 19436445; PMCID: PMC2657519.

Quiroz-Rocha GF, LeBlanc S, Duffield T, Wood D, Leslie KE, Jacobs RM. Evaluation of prepartum serum cholesterol and fatty acids concentrations as predictors of postpartum retention of the placenta in dairy cows. J Am Vet Med Assoc. 2009 Mar 15;234(6):790-3. doi:10.2460/javma.234.6.790. PMID: 19284347.

Huzzey JM, Duffield TF, LeBlanc SJ, Veira DM, Weary DM, von Keyserlingk MA. Short communication: Haptoglobin as an early indicator of metritis. J Dairy Sci. 2009 Feb;92(2):621-5. doi:10.3168/jds.2008-1526. PMID: 19164673.

Quist MA, LeBlanc SJ, Hand KJ, Lazenby D, Miglior F, Kelton DF. Milking-to- milking variability for milk yield, fat and protein percentage, and somatic cell count. J Dairy Sci. 2008 Sep;91(9):3412-23. doi: 10.3168/jds.2007-0184. PMID:18765600.

LeBlanc SJ. Postpartum uterine disease and dairy herd reproductive performance: a review. Vet J. 2008 Apr;176(1):102-14. doi:10.1016/j.tvjl.2007.12.019. Epub 2008 Mar 6. PMID: 18328749.

Walsh RB, LeBlanc SJ, Vernooy E, Leslie KE. Safety of a progesterone-releasing intravaginal device as assessed from vaginal mucosal integrity and indicators of systemic inflammation in postpartum dairy cows. Can J Vet Res.2008 Jan;72(1):43-9. PMID: 18214161; PMCID: PMC2117366.

Quist MA, LeBlanc SJ, Hand KJ, Lazenby D, Miglior F, Kelton DF. Agreement of predicted 305-day milk yields relative to actual 305-day milk weight yields.J Dairy Sci. 2007 Oct;90(10):4684-92. doi: 10.3168/jds.2006-833. PMID: 17881690.

Seifi HA, LeBlanc SJ, Vernooy E, Leslie KE, Duffield TF. Effect of isoflupredone acetate with or without insulin on energy metabolism, reproduction, milk production, and health in dairy cows in early lactation. J Dairy Sci. 2007 Sep;90(9):4181-91. doi: 10.3168/jds.2006-897. PMID: 17699036.

Walsh RB, Walton JS, Kelton DF, LeBlanc SJ, Leslie KE, Duffield TF. The effect of subclinical ketosis in early lactation on reproductive performance of postpartum dairy cows. J Dairy Sci. 2007 Jun;90(6):2788-96. doi:10.3168/jds.2006-560. PMID: 17517719.

Walsh RB, LeBlanc SJ, Duffield TD, Kelton DF, Walton JS, Leslie KE. Synchronization of estrus and pregnancy risk in anestrous dairy cows after treatment with a progesterone-releasing intravaginal device. J Dairy Sci. 2007 Mar;90(3):1139-48. doi: 10.3168/jds.S0022-0302(07)71600-4. PMID: 17297088.

Walsh RB, Kelton DF, Duffield TF, Leslie KE, Walton JS, LeBlanc SJ. Prevalence and risk factors for postpartum anovulatory condition in dairy cows. J Dairy Sci. 2007 Jan;90(1):315-24. doi:10.3168/jds.S0022-0302(07)72632-2.PMID: 17183099.

Walsh RB, Leblanc SJ, Duffield TF, Kelton DF, Walton JS, Leslie KE. The effect of a progesterone releasing intravaginal device (PRID) on pregnancy risk to fixed-time insemination following diagnosis of non-pregnancy in dairy cows. Theriogenology. 2007 Mar 15;67(5):948-56. doi:10.1016/j.theriogenology.2006.11.009. Epub 2006 Dec 18. PMID: 17178146.

Zahra LC, Duffield TF, Leslie KE, Overton TR, Putnam D, LeBlanc SJ. Effects of rumen-protected choline and monensin on milk production and metabolism of periparturient dairy cows. J Dairy Sci. 2006 Dec;89(12):4808-18. doi:10.3168/jds.S0022-0302(06)72530-9. PMID: 17106112.

LeBlanc SJ, Lissemore KD, Kelton DF, Duffield TF, Leslie KE. Major advances in disease prevention in dairy cattle. J Dairy Sci. 2006 Apr;89(4):1267-79. doi:10.3168/jds.S0022-0302(06)72195-6. PMID: 16537959.

LeBlanc SJ, Leslie KE, Duffield TF. Metabolic predictors of displaced abomasum in dairy cattle. J Dairy Sci. 2005 Jan;88(1):159-70. doi:10.3168/jds.S0022-0302(05)72674-6. PMID: 15591379.

LeBlanc SJ, Herdt TH, Seymour WM, Duffield TF, Leslie KE. Peripartum serum vitamin E, retinol, and beta-carotene in dairy cattle and their associations with disease. J Dairy Sci. 2004 Mar;87(3):609-19. doi:10.3168/jds.S0022-0302(04)73203-8. PMID: 15202645.

LeBlanc SJ, Leslie KE. Short communication: presynchronization using a single injection of PGF2alpha before synchronized ovulation and first timed artificial insemination in dairy cows. J Dairy Sci. 2003 Oct;86(10):3215-7. doi:10.3168/jds.S0022-0302(03)73924-1. PMID: 14594241.

Duffield TF, LeBlanc S, Bagg R, Leslie K, Ten Hag J, Dick P. Effect of a monensin controlled release capsule on metabolic parameters in transition dairy cows. J Dairy Sci. 2003 Apr;86(4):1171-6. doi:10.3168/jds.S0022-0302(03)73700-X. PMID: 12741541.

LeBlanc SJ, Duffield TF, Leslie KE, Bateman KG, Keefe GP, Walton JS, Johnson WH. The effect of treatment of clinical endometritis on reproductive performance in dairy cows. J Dairy Sci. 2002 Sep;85(9):2237-49. doi:10.3168/jds.S0022-0302(02)74303-8. PMID: 12362456.

LeBlanc SJ, Duffield TF, Leslie KE, Bateman KG, Keefe GP, Walton JS, Johnson WH. Defining and diagnosing postpartum clinical endometritis and its impact on reproductive performance in dairy cows. J Dairy Sci. 2002 Sep;85(9):2223-36. doi: 10.3168/jds.S0022-0302(02)74302-6. PMID: 12362455.

LeBlanc SJ, Duffield TF, Leslie KE, Bateman KG, TenHag J, Walton JS, Johnson WH. The effect of prepartum injection of vitamin E on health in transition dairy cows. J Dairy Sci. 2002 Jun;85(6):1416-26. doi:10.3168/jds.S0022-0302(02)74209-4. PMID: 12146472.

Duffield T, Bagg R, DesCoteaux L, Bouchard E, Brodeur M, DuTremblay D, Keefe G, LeBlanc S, Dick P. Prepartum monensin for the reduction of energy associated disease in postpartum dairy cows. J Dairy Sci. 2002 Feb;85(2):397-405. doi: 10.3168/jds.S0022-0302(02)74087-3. PMID: 11913700.

LeBlanc SJ, Leslie KE, Ceelen HJ, Kelton DF, Keefe GP. Measures of estrus detection and pregnancy in dairy cows after administration of gonadotropin-releasing hormone within an estrus synchronization program based on prostaglandin F2 alpha. J Dairy Sci. 1998 Feb;81(2):375-81. doi: 10.3168/jds.S0022-0302(98)75587-0. PMID: 9532490.