In winter, the climate is cold and the sunshine hours are short. The continuous cold weather will bring obvious cold stress to the pigs. Especially in the northern regions, serious sows will cause stillbirth and miscarriage. The piglets have a low survival rate. So do a good job of feeding and management of sow in winter, reduce the number of embryos and increase the survival rate of piglets, which will be the key to achieve high yield and high efficiency of sows. I will introduce several key conditions: First, raising gilts is the first step to raising a good sow. Second, to strengthen the rearing of pregnant sows to increase the birth weight of piglets. Third, do a good job of cold and warm work. Fourth, arrange the diet of sows scientifically to increase milk production. 5, early to eat colostrum, timely iron supplementation, and timely control of yellow and white. Six, raise empty sows, promote estrus ovulation.
To sum up, in the cold winter months, the sow swarm center, through nutritional regulation and other measures, to promote the development of sow reproductive organs, promote estrus ovulation, increase milk production, to improve the piglets birth weight and weaning weight, The purpose of enhancing disease resistance and raising the survival rate of piglets has finally achieved the goal of increasing production and income.
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