Naked mole-rats live in colonies of two breeders and around 300 non-breeding workers. Although the breeding pair carries the metabolic cost of reproduction and, in the queen's case, lactation, they ...

Three groups of 33 90-day-old female Sprague-Dawley rats were fed, ad libitum, the following diets for 2 weeks before breeding. Diet 1 (D1) contained 20% protein from casein, diet 2 (D2) had the same ...

The city of Somerville announced on Feb. 19 that it is participating in a Rodent Fertility Control Study using Evolve, which is a hormonal fertility control product designed to curb rat reproduction ...