Management of boars in summer farms

1. Reduced dead spermatozoa, azoospermia, sperm abnormalities occur in summer This is a problem that must be prevented in all pig farms except in the three northeastern provinces. The problem of young boars is particularly acute, caused by heat stress caused by high temperatures. . It has been reported that when the temperature exceeds 30°C, it hurts boar semen quality and takes 6 to 8 weeks to recover. The influence of the youth public is particularly great. Therefore, it is recommended that the farm should be equipped with more boars before summer. First, there is less possibility that big boars will have problems; in addition, boars that can be used in case of problems will not affect production.
2. Cooling measures for boar Because of the great influence of temperature on boars, it is recommended to take effective cooling measures:
(1) Conditional air conditioners are available. If they are used for a long period of time, they should consider the use of larger central air conditioners. The service life of ordinary wall-mounted air conditioners and overhead air conditioners is due to the large dust, high humidity, and ammonia concentration of the boars. High and affect the service life.
(2) Cooling with water curtains, deep water must be used for the circulating water, so good can be reduced by 5°C ~ 6°C.
(3) Some open boars can use a ceiling fan + spray or a 25cm high pool in a boar so that the boar can lie in the pool when it is hot.
(4) A water spray system is installed on the roof of the pig house, which can also reduce the temperature by 2°C to 3°C.
3. Check whether the feed of boars is mildewed every week, and establish a quality inspection registration form for feed ingredients in feed processing workshops. It is safer to add mold adsorbents to all feeds.

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