Sows are weak after giving birth, with small wounds in the birth canal, which are highly susceptible to various diseases.
Uteritis or mastitis is a condition that sows are prone to. In addition, the sow's mental state, food and drinking state, defecation state, lactation state, respiratory state and whether there is mechanical damage also need to be paid attention to at any time and dealt with in time.
In order to increase the number of litters per year, large-scale pig farms have advanced the weaning date to 18~21 days old, with an average age of 19.5 days. 1~2d before weaning, the sow feeding should be reduced, the sow body condition should be evaluated, and the weaning record and lactation results should be filled in, and the pig transfer time should be communicated with the breeding house in advance to confirm the number of pig turning. When weaning, the sow should be driven out of the farrowing bed, and then the piglets should be transported away, and the sow should not be treated roughly during the pig transfer process to reduce the stress on the sow, and the sow card should be transferred away synchronously.
Sows with poor health and poor motherhood during lactation should be eliminated in time, and those with less than 8 litters in 2 consecutive litters from the 3rd to 6th litters, and less than 8 litters in more than 7 litters. Sows that need to be eliminated are marked on their backs and transported directly out of the field at weaning. After weaning is completed, the staff thoroughly cleans the farrowing room and disinfects the empty room to welcome the next batch of sows.
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