Many people who work in laboratory rodent breeding facilities believe that disrupting certain sensitive rodent lines will result in increased breeding failures and loss of newborn pups. To evaluate ...

In consummatory successive negative contrast, rats that have had experience drinking 32% sucrose solution drink significantly less 4% sucrose solution than rats that have drunk only 4% solution. This ...

Veterinarian Tara Martin with the University of Michigan says she takes care to make lab mice feel at home in their cages, so that when they’re not being used for experiments, they can do normal mouse ...

Laboratory rats are typically housed in clear or opaque cages on multi-tiered racks. Clear-walled cages allow a view of the room and facilitate visual social contact with neighbouring rats but may ...

Although the effects of environmental enrichment on laboratory rodents have been extensively described, it is not yet known whether these effects were simply due to the presence of multiple items in ...

In the late 1970’s, a Canadian psychologist, Bruce K. Alexander, proposed an interesting, perhaps even then-controversial, hypothesis that living conditions promoted addiction to opioids in laboratory ...