The Merck Veterinary Manual, the single most comprehensive electronic reference for animal care information, including detailed descriptions and illustrations.
A wide assortment of info on pet diseases, vet location, etc.
A veterinary info. resources for pets
American Animal Hospital Association site provides info. about health, behavior, nutrition, bonding, as well as many common questions and answers concerning dogs, cats, birds etc.
Over 220 pages of articles, photos, quizzes, x-ray, testing, and surgical info written by veterinarians
Educational info on health, behavior, nutrition etc.
Health, drug, behavior info.
Only clients of this Animal Hospital are able to order medications, but this site does give info. on many medications, plus lists some "compounding pharmacies" (Sometimes the medication that your pet needs was designed for people and does not come in a form convenient for a cat or dog. A Compounding Pharmacy has the ability to reformulate the medication for your pet.)
An alphabetical listing and definition of numerous health-related terms and conditions
Numerous health related articles and links
A forum for discussions of dog health issues including nutrition, general health & disease treatments.