A man was recently seen ripping apart and eating pieces of a New York City rat on a Bronx street, according to video posted ...

We purchased a batch of 40 adult Long-Evans male rats (300–350 g body weight) from a laboratory animal supplier for studies on sexual behavior. We kept the males in pairs in shoebox cages in a ...

In the male rat, a few sperm can be ejaculated at 7 weeks of age but full reproductive capacity is ... should be administered at 10 ml per kg of body weight. Once under anesthesia, the rat is ...