LeBlanc's research focuses on dairy cow metabolic and reproductive health and management, precision technologies, and antimicrobial stewardship.
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.
After five years of private dairy veterinary practice, he joined U of G where he teaches veterinary students and provides clinical farm service.
He is past-president of the Dairy Cattle Reproduction Council and served six years as a section and senior editor for the Journal of Dairy Science. He is a director of the American Dairy Science Association (2022-2025).
With graduate students and collaborators, his work has resulted in over 180 peer-reviewed papers. He has given invited talks in 20 countries.