Anyone who has been involved in the management of piglets in large-scale pig farms knows that piglets are usually transferred to nursery houses after they have been weaned for one week. At this time, piglets that are not grown in the same nest are required to be bred. Rearing in groups, usually two nests together. After grouping together, because the pigs have the habit of establishing their respective status in the group, they must be determined through bite fights. This kind of fighting often takes 12-24 hours. After the battle is over, each piglet is usually black and blue.
Through several years of practice, the author has proved that letting piglets interact before weaning can effectively reduce the series of stress brought about by weaning, transfer, and grouping.
When the piglets were 15 days old, they let the two litter piglets interact and play with each other. Because the sows are at the peak of milk production on the 15th day after giving birth, and the piglet body condition is also the best stage at this time, the sense of smell is also very good, but the eyesight is poor. During this period, the piglets have maternal antibodies. Protection, stress can be greatly reduced. In addition, the smaller the pigs, the smaller the consequences of biting and the lower the losses. Through experiments, piglets can basically distinguish which sow is their mother. When they are playing, everyone is in one piece. When they are breastfeeding, they will return to their mothers.
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