The Association of American Feed Control Officials (AAFCO) is an organization that consists of state and federal officials who develop model regulations for animal feeds, including ingredient definitions and labeling guidelines, that are then enforced by the states. AAFCO website
The US Food and Drug Administration (FDA) maintains a list of animal feeds that have been recalled due to health concerns. The FDA also regulates therapeutic foods for pets.
The American Animal Hospital Association publishes guidelines for nutritional assessment and for weight management for dogs and cats. AAHA Nutrition & Weight Management Guidelines
The American College of Veterinary Internal Medicine is the certifying organization for veterinary nutrition, internal medicine, cardiology, neurology, and oncology specialists. They have information on residencies in various specialties and a directory to find a local specialist. ACVIM website
The Pet Nutrition Alliance (PNA) is a global organization with a mission of providing nutrition resources for veterinary professionals. They have a calorie calculator and they routinely survey pet food manufacturers and publish the results. Pet Nutrition Alliance
The World Small Animal Veterinary Association has published a "Nutrition Toolkit" that contains useful information for veterinary staff as well as handouts for clients. WSAVA Nutrition Toolkit
