The following discussion focuses on two methods of blood collection — ventral tail artery puncture and dorsal ... bottomed or curved collection tube. Rats have a total blood volume of 58 ...

The US does not include within its animal welfare laws and regulations the rats, mice and birds who are subjected to research and testing. The federal Animal Welfare Act (AWA) was amended in 1970 to ...

Warfarin is the active ingredient in rat poison. Random mutations in the genomes of rats mean that some rats in a population have a natural resistance to warfarin. This causes variation in the rat ...

For the first time, bird flu has been detected in rats, the U.S. Department of Agriculture (USDA) confirmed, according to a recent report. Bird flu, otherwise known as H5N1 avian influenza ...