Methods Rat mothers were fed either a normal (18% casein) or low (9% casein) protein diet (to cause pup growth restriction) from the last week of gestation. After birth, mother and pups were placed in ...

Unlike rabies, which causes roughly 59,000 human deaths annually, predominantly in Africa and Asia, human infection with bat ...

The agency is cutting animal testing of chemicals. Some scientists are concerned, but in the meantime the rats (and zebra fish) need new homes.

Signs of squalor are everywhere: inmates sleeping on floors, rotting food, piles of trash, inoperable toilets, broken pipes, ...