Video: Alfalfa and the Calcium-to-Phosphorus Ratio

In this special episode of Ask the Vet, we asked Dr. Nerida Richards, PhD, Equine Nutrition Specialist and founder of, to answer your nutrition-based horse health questions. In this video, Dr. Gray and Dr. Richards talk about what the calcium-to-phosphorus ratio should be in different types of horses, types of feeds that would be good and bad for the ratio, and one good way to know for sure if your horse’s diet has the proper ratio.