<unk>  are commonly used in<unk>  testing, particularly mice and rats, but also guinea pigs, hamsters, gerbils and others. Mice are the most commonly used vertebrate species, due to their availability, size, low cost, ease of handling, and fast reproduction rate. __TOC__
Animal testing on rodents
Laboratory developed test
Animal testing on non-human primates
Animal testing on invertebrates
Aquatic toxicology databases
Functional molecular infection epidemiology
WHO model list of essential in vitro diagnostics
EPA list of extremely hazardous substances