Causes and preventive measures of false pregnancy in sows

Sows are not pregnant after mating, but their belly is the same as pregnancy. As they get bigger day by day, their breasts will gradually expand and even squeeze out milk, but they will not give birth. This is a false pregnancy. This phenomenon will seriously waste the production capacity of sows, so what is the cause of false pregnancy in sows? What should I do with it? Let's take a look.

1. False pregnancy in sows

First, the early death and absorption of the embryo, but the corpus luteum of pregnancy did not disappear, which led to the continued secretion of progesterone, as if the pregnancy of sows had been going on all the time, so there would be some phenomena of pregnancy; second, malnutrition caused endocrine disorders in sows, and its estrous cycle was delayed or stopped; third, ovarian dysfunction; fourth, the abuse of hormone drugs to induce estrus. Fifth, it is due to the invasion of parasites, resulting in reproductive system disorders.

II. Prevention and control measures

1. First of all, light should be fed periodically to prevent sows from being too fat or too thin, provide green feed as much as possible, and pay attention to vitamin supplements, so as to ensure normal estrus and ovulation of sows.

2. If the sow is in abnormal estrus, then there is no need to rush to breed, targeted treatment should be taken to be born, and when it is naturally in estrus, it is in the process of mating.

3. Short-term optimal feeding measures should be carried out for weaned sows, and sows just weaned should strengthen feeding management, supplement appropriate amount of protein, and do a good job of deworming and epidemic prevention during weaning isolation. For the sows with poor body condition, strengthen the feeding and carry on the breeding work after the recovery of their fat condition.

4. Careful observation should be made after mating, and timely measures should be taken to terminate the false pregnancy of sows once the false pregnancy is found.

5. In order to prevent the effect of reproductive tract diseases on ovarian function, sows can be injected with penicillin twice a day for 3 consecutive days after delivery.

6. When using hormone drugs for estrus, you should remember the type and dose of the drugs, and it is best to wait until the sow is in estrus before mating.

The above is the introduction of the causes and prevention measures of false pregnancy in sows. I hope it can help you. If you want to know more about it, please follow us.