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 ...

View Full Profile. Learn about our Editorial Policies. When researchers castrated a male rat, implanted a uterus into the animal, surgically joined its circulation to that of a female rat, and ...

"The study aimed to assess the effects of unpredictable chronic mild stress (UCMS) during prepuberty and adolescence and the propolis supplementation on cognitive functions in adult male rats." ...

Rat copulation, Corrigan said, only lasts seconds and most of their attempts don’t result in pregnancy. A male rat tries to mate with as many female rats as possible. Even though brown rats are ...

A group of male Wistar rats was obtained from an animal colony of the school of medicine of University of Veracruz for studies of sexual behavior. When they arrived at our local animal facility ...

The city of Somerville announced on Feb. 19 that it is participating in a Rodent Fertility Control Study using Evolve, which ...