Giving prenatal ginger to sows can make the survival rate of piglets more than 98%, and piglets are long and strong, and the average weight of piglets can be increased by 1-1.5 kg. About 20 days before sow giving birth, 0.5 kg of ginger was crushed and 2-3 liters of ginger soup was mixed and fed into the feed three times. After the sows were sow, they thought that there was too much water in the body. Thirsty, with bran 0.5 kg, salt 30 g, water 2 kg, winter and spring cold season with warm water, generally fed 2-3 times. In addition, the feeding of kelp to the sow can promote milk. In the first month after sow birth, 0.5 kg of kelp was used per week, 100 grams of animal oil was chopped after swelling, and 4 kg of water was added to boil kelp soup. The sow was fed every morning. The second month because the lactation peak period has passed, can be fed once every 3-5 days. RICTRON Industrial Co., Ltd is a hight-tech OEM/ODM enterprise, we are specialized to produce the products such as fire smoke alarm, carbon monoxiede alarm, gas alarm, water alarm, smoke&co or gas&co combined alarms, and other products of R&D, manufactring and sales since 2008. Smoke Sensor,Smart Smoke Detector,Smoke Detector Tester,Stand Alone Smoke Detector Rictron Industrial Co., Ltd , https://www.szrictron.com