Criteria used to evaluate the listed websites include:

• Ease of understanding.
• Credibility of the source (University-based, individual expert, breed group, food company, zoo, vet hospital, individual (expert vs. enthusiast).
• Identification of sources of information.
• Depth.
• Up-to-date information, evidence of regular revision.
• Availability of contact information for further questions.
• Presence and quality of links.

ACADEMIC
Many Species		Cornell U
Horse		Ohio State U
		Rutgers Equine Research Center
Dairy Cattle		Penn State U
Swine		Kansas State U
Sheep		Virginia Tech
Clinical Nutrition		Ohio State U Univ California, Davis
GOVERNMENT
Many Species		US National Research Council
Human		US Government
COMMERCIAL
Pet Diet Evaluation
		Balanceit
		PetDIETS
Dog & Cat Nutrition
		Cycle Dog Food
		Friskies
		IAMS/Eukanuba
		Milkbone
		Nutro
		Pedigree
		NestlePurina Royal Canin Waltham
Large Animal Nutrition
		Blue Seal Kentucky Equine Research Nutrena Purina Mills Equine Punina Mills Goat Nutrition Baxter Nutritional Products
JOURNALS
		American Society for Nutrition
ORGANIZATIONS
		American Academy of Veterinary Nutrition
		American Society of Clinical Nutrition
		American Society for Parenteral & Enteral Nutrition
		Association of American Feed Control Officials
		Comparative Nutrition Society Consumerlab
		European College of Veterinary and Comparative Nutrition (ECVCN) European Zoo Nutrition Centre FDA Center for Food Safety and Applied Nutrition FDA Center for Veterinary Medicine NIH Office of Dietary Supplements NIH National Center for Complementary and Alternative Medicine Nutrition Advisory Group of the American Zoo and Aquarium Association Pet Food Institute Pet Food Institute Consumer Guide USDA Food and Nutrition Information Center United States Pharmacopeia Dietary Supplement Verification Program
OTHER
		AltVetMed
		Quackwatch
		USDA Whole Prey Nutrient Analysis

These web pages are provided for information and education only. They are not intended to substitute for local expert recommendations. The ACVN is not responsible for errors or omissions in any of these sites, and their views do no necessarily reflect the views of the American College of Veterinary Nutrition or its members.

	Blue Seal
	Cycle
	Friskies
	Heinz
	Hill's
	Iams
	Milkbone
	Nestle Purina
	Nutrena
	Nutro
	Pedigree
	Purina Mills Equine
	Purina Mills Goat Nutrition (also Poultry and Rabbit)
	Waltham
Veterinary Sites
	Association of American Feed Control Officials
	FDA Center for Veterinary Medicine
	Penn State Dairy Nutrition
	Pet Food Institute
	Pet Food Institute Consumer Guide
	Wildlife Conservation Society Nutrition
Human Sites
	American College of Veterinary Nutrition
	American Society for Parenteral & Enteral Nutrition
	Baxter Nutritional Products
	Tufts Nutrition Navigator