Criterion to eliminate sows
1. Sows that have been culled from viral infections should be eliminated. 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 be re-infected at the next litter and will be transmitted to piglets. To avoid further economic losses, sows should not Hesitated to eliminate these sows.
2. In the normal feeding process, the growth rate of piglets per birth is slow and the body size is not good. Such sows are to be eliminated. It is affected by the genetics of the sows, resulting in slow growth of piglets and finishing pigs.
3, breast inflammation, uterine inflammation, breastfeeding piglet capacity decreased significantly, decreased milking 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.
5. Sows that are difficult to mate with, that is, the use of drugs to promote its estrus, but generally the next time the breeding will be difficult, 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.
6. Sows with defective limbs, for example, sows with crippled legs, will not only affect breeding, but will also suffer from poor physical activity. Even if pigs are born, piglets will not be healthy.
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