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 ...

Because rats and mice are better able to take control of their microenvironment in an enriched cage, macroenvironmental conditions become much less influential. Such macroenvironmental conditions ...

Discover the step-by-step production process of rat cage traps in factories, from raw materials to the final assembly. See how these durable and efficient traps are designed for functionality and ...

Sarah Jordan, 31, let the rats breed in an uncontrolled way at her home in Leyland, Lancashire, the RSPCA said. Animal rescue officers found 38 rodents running loose and 74 others in cages ...

(Moderator) "We rarely see this problem in rats but relatively often in mice, especially in C57Bl/6 and Tg strains with C57Bl/6. It seems to be worse if the animals are nervous or have litters. Since ...