The most comprehensive pet health resource I have ever discovered is Wiki-pet.com. The website is not only lovely, but it is also simple to use. There is a tremendous amount of information in the first aid, health, breed book, how-to videos, and articles sections. You can locate local pet stores, events, and animal enthusiasts to connect with in the community section. The support staff is helpful and responsive. This, in my opinion, is the most comprehensive and accurate pet resource available online.