Difference between revisions of "Gerbils (Laboratory) - Pathology"
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==Strains and Stocks== | ==Strains and Stocks== | ||
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==Physiology== | ==Physiology== | ||
Revision as of 10:05, 12 August 2011
Introduction
Gerbils are part of the sub-family Gerbillinae which is part of the Rodentia order. There are approximately 100 species of gerbil in 14 genera from all over the world but in laboratory testing, as well as for keeping as a pet, the mongolian gerbil is the most common. The mongolian gerbil or 'jird', Meriones unguichulatus is commonly used for these purposes as they are known for having several characteristics that make them desirable over other species of gerbil. These inclue a very non-aggressive nature, a lower incidence than other species of spontaneous disease, a lack of odour and a monogamous mating behaviour. Some other species have been used for testing, although this is not common. The mongolian gerbil was introduced as a laboratory testing animal in 1963.
Strains and Stocks
The gerbil is not commonly used in laboratory testing and therefore when compared to the number of strains of other animals such as the rat, there are few specific strains in gerbils. The most common strain is predominantly agouti, but some black can be found within this strain also.
Physiology
The normal life span of a gerbil is between 2 to 3 years and the adult body weight is 50 - 90 grams. Males are slightly larger than females. Please find details of gerbil physiology within the WikiNormals section. Physiological information available includes “General”, “Biochemical”, “Haematological” and “Breed” parameters.