Core Tip: Newborn piglets have high requirements for ambient temperature due to poor thermoregulatory performance. Cold conditions can freeze the piglet, and it is also the cause of death, starvation, and diarrhea. The suitable ambient temperature for piglets is: 32-28 degrees at 1-7 days, 28-25 degrees at 8-30 days, and 25-23 degrees at 31-60 days.

The structure of the pig placenta is special. The newborn piglet does not have innate immunity and must acquire immunity through colostrum. Colostrum has the effect of stimulating the activities of digestive organs, promoting the excretion of fetal feces, increasing the heat production of nutrition, and improving the resistance to cold. In addition colostrum is rich in immunoglobulin, so it has the ability to resist disease. If the newborn piglet does not eat colostrum, the survival rate is very low.

Newborn piglets have seized multiple breast milk and fixed existing habits. Since the actual sow milking time is only 10-20 seconds, if the newborn piglet's teat is not fixed, it will inevitably miss the milking time due to competing for the teat. At the same time, squeezing teats can sometimes make the sow restless and stop feeding. In order to avoid the above phenomenon, piglets must be manually assisted in fixing the teats within 2-3 days of birth.

If the sow suffers from post-partum aplastic or if the number of live pigs exceeds the number of effective sows in the sow, foster care is required. If two sows have fewer than six litters at the same time, the two litter piglets can be nested together. In the case of confinement control, a few litters of piglets that are produced at the same time can be regrouped according to their size, so that each litter can be evenly developed.

Iron reserves in newborn piglets are very small, only 30-50 mg. Each pig needs 7-8mg per day, but only 1mg of iron can be supplemented from the milk. Therefore, if there is no supplemental iron, the iron in the piglets will only last for one week. It is bound to trigger the occurrence of iron deficiency anaemia.

Sows can meet 77% of the nutritional needs of piglets at the peak of lactation, at which point the piglets generally have no intention of feeding. If, after 40 days, breast milk is significantly reduced, piglets are not accustomed to dry feed, they must affect piglet growth and development. In order to overcome this situation, human intervention must be used to train piglets to eat early.

Piglets are changed from breastfeeding to eating. This is undoubtedly a great psychological and physiological stress for piglets. Within one week after the piglets are weaned, the piglets are often not only unable to gain weight, but also lose weight. If the feeding is done well before weaning and the weaning time is four weeks old, the piglet transition will be smooth.

Weaned piglets do not change the mix. Keep the piglets in the original circle for at least one week. Do not feed several litters at the same time during weaning so as not to cause double stress on the weaned piglets.

We continue to use the feed at the time of weaning without reloading. According to the growth of the pig, it gradually transitions to the pig feed.

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