Lab Animal - Effect of cage-change frequency on rodent breeding performance. ... C.C. & Mason, G.J. Effect of cage-change frequency on laboratory rat reproduction, cannibalism, and welfare. Appl.

Key points. Cage studies show how environment shapes drinking habits. In the "cocaine rats" experiment, scientists fed lab rats in cages with drug-laced water.

It was the summer of 2020, a period marked by emotional isolation for almost everyone on the planet, even laboratory rats. When I walked into the lab, I noticed something unusual: The three ...

The agency is cutting animal testing of chemicals. Some scientists are concerned, but in the meantime the rats (and zebra fish) need new homes.

The laboratory rats were housed alone in standard, small cages. Both lab rats and park rats had one of two liquid dispensers available to consume: one was a morphine-based solution and the other ...

When I walked into the lab, I noticed something unusual: The three driving-trained rats eagerly ran to the side of the cage, jumping up like my dog does when asked if he wanted to take a walk. Was ...

When I walked into the lab, I noticed something unusual: The three driving-trained rats eagerly ran to the side of the cage, jumping up like my dog does when asked if he wants to take a walk.

Teaching rats to drive a tiny car around a laboratory had some far-reaching effects – it taught scientists a lot about the benefits of anticipating the joy brought by the things we love. We ...