Five sows to be eliminated
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Under normal circumstances, if the sow has produced eight litter piglets, the farrowing rate will decline and the sows will be able to retired. However, some sows may also experience abnormalities during the breeding season. The sow should be retired early. The first one that should be eliminated is a sow who has acquired a viral infection. For example, swine fever, pseudorabies, and sows who have acquired this type of infectious disease are cured after the use of drugs, and are likely to relapse at the next birth and will be transmitted to piglets. In order to avoid further economic losses, sows should not Hesitated to eliminate such sows. The second is that there is inflammation of the breast, uterine inflammation, breastfeeding pigs decreased significantly, the decline in the milk power, must be eliminated. If you think about it, you have a big litter of pigs but you are not able to feed it. Such a mother must be incompetent. It is best to rush to resign. The third kind of sows that should be eliminated is the ones with defective limbs. For example, the sows that lame in the leg not only affect the breeding of the sows, but also cannot be good because of the inability to exercise regularly, even if pigs and piglets are born. It will not be healthy. The other is that in the normal feeding process, the piglets born per birth have a slow growth rate and are not good in shape. Such sows are to be eliminated, and the sows' genetic genes cause piglets to grow slowly. The fifth species that should be eliminated is breeding sows that are difficult to achieve, that is, the use of drugs to promote its estrus, but generally there will be difficulties when the next breeding, it is easy to cause empty, not breeding, resulting in economic losses. Such a sow can't stay seeded. It's best to eliminate it early. In addition, some sows are affected by genetics, and the farrowing rate is very low. Only three or four piglets are born per child. Such sows are not qualified and must be eliminated in time.