The temperature rise in spring is the season of piglets production, but the survival rate of piglets is affected by many factors such as high and low temperature, large temperature difference, and so on. Therefore, we must strengthen the husbandry and management work and pay attention to the following nine points. Carefully reared sow sows are born around 114 days of pregnancy. The growth of the fetus is accelerated at the 40th day of prenatal birth, and the increased body weight is about 2.5 times the total increase of the previous 80 days. Therefore, nutrition should be given in this period and be rich in nutrition. Proteins, vitamins, minerals, diverse and small feeds. Make sure that the sows' udder, nipple, and genital area are cleaned and disinfected before giving birth before delivery. Disinfect the pens or the birth bed and the incubator. The sow is fed a small amount of feed or not on the day of delivery to prevent the sow from overfeeding and affect the piglet's output. In addition, prepare tools such as iodine, ligatures, and scissors. Strengthening the lactating sow's nutritional sow milk is directly proportional to the pig's weight gain and physical strength, so we must provide sow feed diversification, nutrition is fully digestible, good palatability, rich in protein, vitamins, Mineral feeds ensure that sows produce a lot of good milk. Note that the optimum temperature for the cold-preserved newborn piglets is: 1 day old -3 days old 30°C-32°C, 4 days old -7 days old 28°C-30°C, 8 days old -14 days old 25°C-28°C, 15 Age -30 days old -22°C -25°C, 31 days old until the nest is maintained at 22°C. Early spring season should pay special attention to keeping warm and keeping warm. Before the sow is born, the farrowing box should reach the required temperature of 30°C-32°C. Make the piglet have a comfortable environment. When the sow is born, the breeder must be present. After the birth of the piglet, wipe the mouth and nasal mucus with a towel so that it can breathe normally. Then wipe the entire body, and then at a distance of 3 cm to 4 cm from the umbilicus of the piglet. Cut off the umbilical cord, apply iodine tincture, and place it in an incubator. For suspended piglets, first aid can be given by rubbing the nose with alcohol or other stimulants or acupuncture. Eating colostrum is very critical to the disease prevention and survival of the piglets. The piglets should be allowed to eat colostrum as soon as possible, and artificial supplements should be given to the weak piglets to increase their strength, restore body temperature, and supplement water. Fixed nipple fixed nipples should adhere to the principle of "mainly self-selected, appropriate adjustment, control strong and weak", the method is: let the piglets choose their own nipples, and then adjust according to the size of the body weight, physical strength, generally fixed on the weak piglets In the sow, the front nipple sucks milk and is firmly fixed behind. This allows the litter of litters to grow neatly and without stiff pigs. It also prevents the piglets from biting off nipples in order to compete for nipples. Feeding piglets early in the 7th to 10th day of age, put a little clean and fresh baby pig feed in the feed trough of the piglet to attract food, and feed the piglets on a clean ground to allow the piglets to imitate sow mining. The amount of food should be increased from low to high, and the daily feed of piglets should be kept fresh. The digestive function development of less-digested feeding piglets is not perfect, the stomach is small, the emptying is fast, the digestive ability is weak, and gluttony leads to indigestion. Therefore, it is necessary to feed less frequently, and generally feed 5 times -6 times a day. One of them was placed at night and the feed was ready to be fed. No feed or overnight feed was provided. Observing the piglets within five days after birth, special nurses are required to take care of the nurses on duty in turn to observe the development of the piglets, feeding, feeding, excrement, etc.; to find out if the piglets are diarrhea or not to eat, they must be diagnosed and treated promptly, and the number of piglets should be carefully checked. So as to avoid sows squeezing piglets. Ensure adequate supply of clean drinking water. As the body grows, the milk alone cannot meet the growth and development needs. Therefore, it is necessary to provide clean drinking water in time. Daily enough water should be provided for drinking. The sink should be brushed once a day, fresh drinking water should be added every time, and the sink should be kept clean. To do a good job in disease prevention and control, we must first prevent the disease. After finishing the umbilical cord and drying the mucus on the piglets, the piglet was injected intramuscularly with the spleen and leaching seedlings. One dose was given and the colostrum was eaten after one hour. The second is to prevent anemia. One millilitres of hemagglutinin or 2 milliliters of iron-cobalt dextran injection can be given intramuscularly at 3 days of age. Third, we must prevent squatting. First of all, sows are injected with yellow and white piglets multi-valent seedlings 15 days prior to sow's birth; followed by keeping the pens clean and sanitized and often disinfected to prevent piglets from drinking filthy water. Fourth, prevention of postpartum diseases in sows. Observe the sow's breathing, body temperature, feces, and breasts in a timely manner to prevent postpartum disease and affect lactation and piglet growth. Five must be disinfected. Each month, cross-use with 100 poisoning, ABB, 1210 and other disinfectants to disinfect pig houses and utensils. Timely weaned piglets are generally weaned at about 45 days, and if they are too early, they will affect the growth and development of the piglets, and too late will affect later growth and sow breeding. Weaning is best done using the "mother-to-treat" weaning method, which means that the sows are driven away and the piglets are kept in the original circle to avoid environmental stress. The key to properly weaning the weaned piglets is to maintain a “two maintenance, three transitionsâ€, ie, to maintain the feed in the original circle and maintain feeds for weaning, and gradually transition the feed, feeding system and environment to make it adaptable. . 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