Here is an excellent website (English only) which will answer your questions about animal health, medications, therapies, surgery, behavior, or safety. They have separate pages for dogs, cats, reptiles and small mammals and cover just about everything from A to Z. If you cannot find the answer to your question, then you can even send an email straight to the source. Here are some shortcuts to :
Thanks for the added link Tigerman. I am going to give this thread a bumperoo and add another link with valuable resouce information on pet care. It comes from the Best Friends Animal Society who have the largest animal sanctuary in the US. It covers 33,000 acres in a beautiful part of the southwest. Check it out sometime, I know I will.