there is yet to be an ideal constellation of indicators for animal-based welfare assessment in small mammals such as guinea pigs (Cavia Porcellus), mice (Mus musculus), rabbits (Oryctolagus cuniculus) ...

Rattus norvegicus. This makes the third mammal to be sequenced, following the human and mouse. A large team of researchers, including a computer scientist at Washington University in St. Louis ...

Although experimental work on environmental enrichment has answered many important questions, it is not yet known whether beneficial effects of enrichment are more strongly influenced by regular ...

According to Dr. Goya, "muscular strength indicates prolonged healthspan." Sima is a Rattus norvegicus, a species with a maximum recorded lifespan of 45.5 months. Their average lifespan is 24-36 ...