“第十二届中国实验动物科学年会（2016.南宁）”于2016年10月8-12日在广西南宁国际会展中心隆重召开。

The domestic Brown rat is most often called a "Fancy Rat". The Rats raised for pets today descend from the "Brown Rat", Rattus norvegicus , that only colonized Europe in the 16th Century. Being that the Brown Rats are larger and bolder they have pretty much taken over the position held for centuries by their cousins the Black Rats.