The best time for sows to be in estrus
Sows are the printing presses of pig farms, and raising a good sow is equivalent to half the success. Sow management can be divided into four stages: empty pregnancy, mating, pregnancy and parturition. So what is the best time for sows to be in estrus and mating time?
Generally speaking, sows can mature in 3-6 months, but the maturation time of different pig breeds is also different. generally speaking, sows are not suitable for breeding when they are still very young. In the first estrus (that is, the first estrus) is not suitable for breeding, to wait until the second or third time is the best time to mate. The average estrus cycle of sows is about 21 days, and each estrus lasts 3-5 days.
The best mating time of first mating sows is generally the first mating 12 hours after standing, and repeated breeding every 12 hours after 8 minutes.
Sows can be mated 10 hours after standing reaction, and then mated again, 8 hours apart.
In general, the best time for oestrus mating of reserve sows is on the fourth and fifth day, 8-12 hours after the occurrence of static reflex, the mucus can pull out the silk, and the color of the vulva gradually changes to pink and white. 2-3 times in a row, each time at intervals of 8-12 hours.
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Culture methods and matters needing attention of Cucumber
Cucumbers are planted all over China, and many areas are cultivated in greenhouses or plastic greenhouses; now they are widely cultivated in temperate and tropical regions. Today, I would like to introduce the cultivation methods and matters needing attention of cucumber. First, the culture method of cucumber 1. Temperature: cucumbers like warm
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What does guinea fowl eat?
Guinea fowl is a new breed of meat poultry, which is becoming more and more popular in China, so many farmers begin to raise guinea fowl. So what does guinea fowl eat? What does guinea fowl eat? The guinea fowl and the ordinary native chicken eat basically the same food.
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