Fenotipe saluran ceerna beruk (Macaca nemestrina) sebagai hewan model penelitian
Pig-tailed macaques (Macaca nemestrina) are primates where its original habitat is on the island of Sumatera, Indonesia. The local name in Indonesia is Beruk. Beruk has special characters, with big body and steady walk on four legs and has already obvious its sexual dimorphism. The Beruk has a tail which is about 1/3 part of its body length while its head has no diceernible neck. Its has brown fur.