1. Preparation for sows before childbirth: Before sowing the bed, the sow body should be cleaned and the genital area should be disinfected with a disinfectant containing iodine or acid. 2. Signs of sows giving birth: Sow labor will be restless, feed intake will drop, urethra will have bleeding red mucus, and the last row of nipples will secrete lotion. 3. For sows whose farrowing time is longer, after giving birth to a small pig, you can inject the uterine contractor, once for 20-30 units, and the amount of uterine contractor should be strictly controlled. It is best not to use sows with primiparous sows and sows of gestational age greater than 6 years. Severe contraction of the uterus may cause the uterus to emerge from the older sows. 4. Sows after the delivery of health care has been mainly anti-inflammatory, you can use penicillin, cephalosporins and other drugs, 2 times a day, for 3 consecutive days, 4 days of intramuscular oxytetracycline, especially artificial labor sows, postpartum anti-inflammatory, Prevent uterine inflammation. 5. Sow immune selection is done 25 days after childbirth. Ten days after giving birth, the sow is in the recovery period and is also in the early stage of milk production. The peak period of milk production is 15-20 days. Therefore, it is not recommended to do so during the early and peak period of milk production. 6. Suckling sows eat freely and use special feeds. Feeding nursing sows is not limited to a few meals per day. Now the weather is hot, and the time can be chosen as early as 5 o'clock, 10 o'clock in the morning, 4 o'clock in the afternoon, 8 o'clock in the evening, and 3-6 tons per day according to their own conditions. Let sows eat more. The lactating sow feeds 40 tons of soybean oil and 40 tons of imported fishmeal in one ton of feed. Soybean oil can increase the amount of milk produced. The fish meal promotes normal estrus in the weaned sow. 7. Sows weaned. Small and medium-sized pig farms recommend weaning at 35 days or so, sows need time to recover after delivery. Nursing sows have high nutrient content, which is conducive to postpartum recovery of sows, and can increase piglet weight and weaning survival rate. HEBEI PINGLE FLOUR MACHINERY GROUP CO., LTD , https://www.plrollermill.com