Vet nutritionists help to care for animals that are both sick and ill. They work to achieve optimal health and performance in animals as well as to treat various diseases that may be progressing or in stages of remission. Some vet nutritionists specialize in specific areas, such as equine or small animal nutrition. Others are involved in teaching at an animal care hospital. In fact, as this list of top 15 vet nutrition professors shows, they can have many different responsibilities including caring for patients, being involved in research, working with graduate-level students, and, of course, teaching.