Friday, July 2, 2010

Rats Breeding

Almost of use hate to mouse but certain people breed mouse for pet. We hate because mouse can make broken of structure, wood appliance, windows and door. Cats, wild dogs, foxes, birds of prey, snakes and even certain kinds of anthropods have been known to prey heavily upon mouse. Mouse remark easily to adapt in many environmental, said that mouse is one of the successful mammalian genera living on the Earth.

Mouse has bad eyes, instead for eyesight with a keen sense of hearing, and relies especially on their sense of smell to locate rat food and avoid predators. Mouse has a fast cycle of live, breeding onset is at about 50 days of age in both females and males, and female have their first estrus at 25 – 40 days. Mouse include of polyestrous and breed over the year, ovulation is spontaneous. The duration of estrous cycle is 4 – 5 days and estrus itself lasts about 12 hours, occurring in the evening.

Mouse has average gestation period in 20 days. The average litter size 10 – 12 during optimum production is highly strain dependent. The young mouse called as pups with weight 0,5 to 1.5 g at birth, hairless, and have closed eyelids and ears. Mouse can have 4 to 6 of pups at one time of birth. After three weeks mouse have ready for pregnant again.

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