Several key points for rearing sows

There are many technologies in the process of rearing sows in large-scale farms, but the very key technologies are mainly concentrated in a few days. During this period, strengthening the husbandry and management will result in a large increase in production efficiency.
First, three days after mating is the critical period of egg fertilization and fertilized egg splitting. If the sow is over-metabolized, some fertilized eggs will die, which will reduce the number of litters. Therefore, sows should not be disqualified within three days after mating. Too much feeding, the daily feeding amount of 1.5 ~ 1.8kg is appropriate, the maximum can not exceed 2kg.
Second, three days after childbirth For newborn piglets, feeding and management after three days of delivery is very important, because many of the fatal accidents in the pig-raising process occurred at this stage, such as cold death, frostbite, crushed death, death and other diseases. In order to reduce the piglet's death and injury rate in these three days and lay a good foundation for its future growth and development, one is to properly produce and keep warm; second is to allow the newborn pigs to eat colostrum in time to enhance disease resistance; It is a fixed nipple, which is an important measure to reduce the death of newborn piglets and increase the homogeneity of piglets. Fourth is to supplement iron in time and supplement selenium to prevent lack of selenium and anemia. Fifth is to restore the body condition of sows and prevent postpartum infection. Strengthen management in feeding, nursing, and health care.
Third, 3 days after weaning This is the most severe period of stress in weaned piglets. The food that is eaten turns from liquid milk to the old feed, leaving the sow’s care, and at the same time, the sow is greatly reduced due to the shedding of the sow. Antibody stops supplying. Each of the above stresses will have a very adverse effect on the piglet and become the cause of its onset. Reducing stress is the key to helping piglets to wean safely. Drug prevention is an effective supplementary measure to prevent secondary infections in piglets. Comfortable environmental conditions and good quality feeds are the guarantee for successful weaning.
Fourth, the new feeding environment for 3 days after the colony will cause the pig's physiology and heart not to adapt, and the resistance to disease will also be reduced. Different groups of litter piglets will re-establish their status in this group through competition. At the same time, the three positions of eating, pulling, and sleeping of piglets are also completed in these three days. To ensure the successful transfer of piglets, the first step is to try The temperature of the environment before the transition is close to the temperature of the new environment, especially in the winter, to reduce the stress; the second is to feed the original feed for a period of time until all the conditions of the pig are stabilized and gradually replaced. Feed for fattening; Third, strengthen drug prevention to prevent pathogens from invading piglet body; Fourth, pay attention to observation and timely handling of emergencies. Fighting is common after piglets are mixed. Therefore, for some strains with large stress response, attention must be paid to the precautions when changing groups.

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