Recently, many pig friends often complain that their piglets have a low survival rate and often develop symptoms. Usually, they are introduced from the cause of the disease. Today, Xiaobian will explain to the farmers how to manage the sows and breeders. For pig problems, farmers should know that sows and boars are healthy, and the pigs that are born will not have so many problems, and the survival rate will be greatly improved!
First, strengthen management and increase the reproductive rate of sows
1. Pay attention to the inspection and elimination of breeding pigs that may have hereditary and physiological reproductive disorders.
2, the gilt should not be prematurely premature, to prevent the formation of metritis. Advocate for more than 7 and a half months.
3, the use of artificial insemination must be strictly in accordance with the operating procedures for disinfection and sterilization, to prevent infection caused by metritis; semen must meet the specified vitality and density level.
4, gilts must complete a variety of vaccine immunization before breeding, especially for JE, parvovirus, pseudorabies virus and other vaccines to prevent reproductive disorders, vaccination vaccination to ensure effective.
5, large-scale pig farms should be equipped with a certain professional knowledge and highly trained breeders, able to master the estrus observation and breeding techniques. Adhere to the full inspection of the sow estrus once a day in the morning and afternoon, carefully and carefully do the breeding work, and do a good job with the original record.
6. Some gilts have long estrus and short mating time. They should be patient and insist on continuous testing (or auxiliary) in the afternoon and afternoon to prevent mismatch and mismatch.
7. Rational use of exogenous reproductive hormones when necessary, promote estrus and ovulation, and improve conception rate.
Second, the management of boars
1, the use of boars
The transitional use is often caused by the premature aging of boars; long-term abstinence will also damage the sexual function of the boars. Generally speaking, the frequency of breeding or semen collection should be 1~2 times a week before the 16 months of age during the training period; 2~3 times per week from 16 to 20 months old; once every 20 months or more. In the busy season of breeding, you can even take it once a day, but you should take a rest for 1~2 days after a week.
2. The movement of the boar
In order to promote the health of the boars, especially the solid limbs, adequate exercise should be given. Each morning and evening should have about 1 hour of free movement. Summer is arranged in the morning and evening, and in the winter at noon, in case of heat or severe winter, stop exercising.
3, the update of the boar
A reasonable age structure of the boar is necessary. The number of elderly and young boars should be avoided in the boar herd. The proportion of middle-aged boars (16-20 months old) should be no less than 70%.
4. Epidemic prevention management
In addition to the several vaccinations mandatory by the local animal husbandry and veterinary administration, in addition to the vaccination mandatory by the local animal husbandry and veterinary administration, the vaccines in the surrounding areas of the field should be combined to determine the vaccines that must be vaccinated and vaccinated according to the prescribed immunization procedures. .
Well, the management points of gilts and breeding boars. Weinong.com has compiled this for you today. If you feel good, you can continue to pay attention to our Hui Nong network!
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