The age of cattle mating: the first cow is 1.5-2.5 years old, the bull is 1.5-3 years old, and the cattle are slightly earlier than the water buffalo. The best period for cows is 10-15 years and the bulls are 8-10 years. The best breeding time: Cows can be estrus all year round, not affected by the season, but the spring season April-May, autumn 8-10 months for the matching season. Duration of cow estrus duration: 10-20 hours for cattle and 2-3 days for buffalo, therefore, cattle should be bred 8-12 hours after estrus. Buffalo should be bred on the afternoon of the 2nd day after estrus. Cow estrus cycle: 18 to 21 days for cattle and 18 to 25 days for buffalo. Pregnancy: 285 days for cattle and 305-307 days for buffalo. The age of sheep mating: The first ewe was between 1 and 1.5 years old, and the ram above 1.5 years old. The goat was slightly earlier than the sheep, and the sheep aged 3 to 5 was the most fertile. The best use period: female goat 8 years, male goat 6 years. The best breeding time: Generally there is a fixed breeding season, but artificially cultivated sheep often have no strict breeding season. The breeding season for sheep in the northern region is generally between July and January, and the peak season for the estrus is from August to October. Goats are best served from August to October. Duration of estrus ejaculation: Goats 24-48 hours, goats should be bred 12-24 hours after breeding as well. The ewes cycle is 15-21 days. The gestation period is 144-155 days with an average of 150 days. Rabbit mating age: Small breeds of skin and meat 4-5 months old, weighing 2.5-3 kg, medium-sized breeds 5-7 months old, weighing 4-5 kg; large breeds 8-10 months old, weighing 6-8 kg. The use period is 4-5 years. The estrus duration of the female rabbit is 3-5 days. The rabbit is an ovulation-inducing herbivore. The ovulation process takes place 10-12 hours after mating. Therefore, the empty female rabbits are mated once every 6-8 hours for consecutive 2-3 times. Times. The best breeding time: The female rabbits in the middle of the estrus (estrus female rabbit genital swelling and wet) for the best breeding time, interval 6-8 hours and then once again to be pregnant. The estrous cycle of female rabbits is 10-15 days, which is about 14 days. 30-32 days during pregnancy. (Source: Rural Newspaper)
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