About Isabelle D'Costa, B.Sc., M.Sc.
Isabelle grew up with her horses in her backyard on her family’s farm, was heavily involved in Pony Club, and competed on the Ontario Eventing circuit. Her time in Pony Club sparked a passion for learning about equine health and sciences, which led to her pursuing the Equine Bio-Resource Management program at the University of Guelph, and then a Master of Science in Animal Nutrition. During this time, she focused her coursework on individualized nutrition, while her research focused on nutraceuticals and inflammation. Isabelle enjoys hiking, reading, and spending time with her horses and dogs in her free time!
How Much Hay to Feed Your Horse [Feeding Guide] Isabelle D'Costa, B.Sc., M.Sc. | March 5, 2026 | Care & Management, Feeding Guides, Nutrition A forage-based diet is the best way to support your horse’s health and happiness, but it is not always easy to know how much hay to feed. Horses that are allowed free-choice (ad libitum) access to hay-only diets will typically...