Companion Animal Gastrointestinal Laboratory
School of Veterinary Medicine University of California, Davis


Isospora felis oocysts (400X)

Stan and JontiDr. Stan Marks B.V.Sc. Ph.D

Dr. Stan Marks graduated from the University of Pretoria, South Africa, in 1986 and completed an internship in small animal medicine and surgery at the University of Missouri, Columbia in 1987. He completed a small animal residency program at the University of Florida and an oncology residency program at the University of California, Davis. Stan earned his PhD in nutrition from the University of California, Davis, where he is currently Associate Professor of Medicine in the Department of Medicine and Epidemiology. Stan is a diplomat of the American College of Veterinary Internal Medicine (ACVIM) in the subspecialties of internal medicine and oncology, and a diplomat of the American College of Veterinary Nutrition (ACVN). His research interests are in the area of small animal gastroenterology, with an emphasis on dietary modulation of intestinal mucosal barrier function and bacterial gastroenteritis.

Dr. Nick Cave B.V.Sc., M.V.Sc.

Born in England, Nick moved to New Zealand in 1980 and completed his secondary education in the capital city Wellington. He graduated from Massey University (New Zealand) with a Bachelor of Veterinary Science and practiced as a veterinarian in a mixed animal rural practice for 4 years. This was followed by 3 years in a small animal practice in Hamilton New Zealand. He returned to Massey University in 1997 and completed a 3 year Internal Medicine residency, successfully attaining Membership of the Australasian College of Veterinary Scientists by examination in internal medicine in 1997. He graduated with a Master's of Veterinary Science from Massey in 2000 with his thesis entitled "The nutritional management of food hypersensitivity in dogs and cats: an assessment of a protein hydrolysate". Production of the Hill's protein hydrolysate diet "z/d" was the culmination of that work. In 2001, Nick moved to UC Davis to pursue a PhD in nutrition and immunology.
Current research interests include investigations into the role that commercial pet food processing has in altering the immunogenicity of dietary proteins and the role that diet plays in the management and development of inflammatory bowel disease in cats.


Nadira Chouicha


School of Veterinary Medicine-University of Califoria Davis