Sheep is a common domesticated animal of the genus Ovis in the family Bovidae. The body is plump and the body hair is dense. The head is short. Ram has large spiral-shaped horns, which are very majestic but are actually for looks. Ewe have no horns or only have tiny horns. The coat color is white. Sheep were first domesticated in Southwest Asia about 11,000 years ago. Sheep are now raised all over the world. They are timid, docile, and easy to tame. Most of the highly domesticated breeds are in estrus all year round, while the local grazing breeds are in estrus seasonally, mostly in autumn and winter. The gestation period of ewe is 145 to 152 days, 1-5 lambs are born each time. The life span is 10 to 15 years. Sheep are very valuable. They can provide humans with products such as meat and fur. They can provide humans with products such as meat and fur. Mutton is tender and very delicious. The places where most sheep are raised in China are Inner Mongolia, Qinghai, and other places. The most well-known is, of course, the technological product cloned sheep-Dolly.

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