Hartley Guinea Pig

**Semantic type:** Mammal

**Definition:** Albino outbred guinea pig belonging to the English (short-haired) breed. The Hartley guinea pig was imported from the Medical Research Council, Millhill, England, to Charles River in 1968 for propagation. The animal is a crepuscular mammalian herbivore that is tailless with short legs and a large head. The Hartley Guinea Pig has a white coat color (acromelanic albino) and red eyes and requires a nutritional source of vitamin C to sustain normal function. The Hartley guinea pig is used as an animal model for studying human diseases and toxins harmful to man, as well as the development of serums and vaccines.

**Synonyms:** - HARTLEY - Hartley