Current guidelines pertaining to the housing of laboratory animals express caging standards for rodents in terms of minimum floor space and minimum height, relative to the body weight of the animal.

The mice are kept in see-through plastic cages with an area of at least 370 square centimetres. Three to six mice live in each cage, depending on their weight. The cages are 14 centimetres high and ...

A study on mice found that interventions increasing the creation of new neurons in the hippocampus (hippocampal neurogenesis) ...

To overcome these problems, researchers are turning more to automated systems that monitor mice in their home cages, where they are least stressed. This improves the animals’ welfare ...

In this project, funded by an AWI Refinement Grant, we tested whether raising male mice in partially divided cages affected aggression and behavioral performance from weaning through 180 days old in ...

In one experiment, Stowers painted the backs of male mice with urine and introduced them into the cages of knockout mice. The knockout mice failed to show aggression toward their new cage mates. “It ...

(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 ...