Under normal circumstances, most sows are born at night when they are quiet, but at this time often due to the inability to timely delivery and care, it often causes abnormal death of the piglets. If the sows are born during the day, the care of the buttocks and the newborn pigs is not only convenient, but also reduces the workload of night labor, and it is also convenient for the veterinarian to treat the dystocia. How can we make sows give birth during the day?
First, change the traditional breeding time. In the past, the breeding time for estrus sows was scheduled for the next morning or afternoon after estrus. In order to make the sows give birth during the day, according to the ovulation regularity of the estrus sows, the insemination time can be adjusted to the next morning of the sow estrus or 8-9 o'clock in the morning of the third day, so that 90% of the sows can be made Laying in the daytime.
2. Injection of cloprostenol to the labored sow. Injecting 125 micrograms (ie 1-2 ml) of cloprostenol into the neck of the sow at 8-9 am, 1-3 days before the sow's labor (days 111-113 of the sow's pregnancy). 98% of the sows began to give birth before the dark day after the injection. This method can promote the sows to give birth smoothly, accelerate the discharge of the placenta and lochia, prevent endometritis, facilitate the recovery of the uterus, shorten the number of days from sow weaning to estrus breeding, and improve the reproductive capacity. Injection of cloprostenol induces sow delivery, no side effects on sows and newborn pigs, and low cost of drugs, pig farmers may wish to try.
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