Doing a good job of sow farrowing and nursery work is the key technology to improve the overall survival rate of herds. Prepare delivery room and utensils before delivery. The key issues are disinfection and insulation. The delivery room and delivery bar must be cleaned and disinfected and sprayed with 2% hot alkali solution. The pigsty pigs are to get rid of the manure and put new soil on them. It is best to use the torch flame to disinfect. The earth circle can be lit with rags and sterilized, and the walls are sterilized with a 20% lime milk powder brush. In the cold season, there should be heating equipment in the delivery room to ensure that the maximum ambient temperature of the delivery room is not less than 25°C, and 25°C~26°C is appropriate. The temperature of the newborn sow incubator should be about 32°C. Prepare a nursery box or cage for confinement, and put soft grass in it. Do not grow too long. Use 10 cm to 15 cm. Prepare antiseptic drugs such as ear number clamp, 5% iodine, and 0.1% potassium permanganate, weighing tools, sow recording card, etc. It is important to understand the expected date of delivery and transfer the sow to the maternity ward seven days in advance to prevent the sow from giving birth to the gestational house. Sow prenatal care. From the 10th day before the birth, the “vegetative care†was gradually changed. From 5 days to 7 days before delivery, the amount of feeding was gradually reduced, and it was reduced from 1 day to 2 days before delivery to 1 kg to 1.2 kg per day. At this point it is best to be mixed with green fodder and adjusted to dilute feeding. Found labor symptoms, stop feeding, only feed bean cake bran soup. If the sows have poor sensation and the breasts do not swell, do not cut down on the amount of feed. Also, add some protein-rich prolactin feeds such as fishmeal, chicken meal, etc. Two weeks before delivery, the sow is examined. If ectoparasites such as cockroaches and cockroaches are found, apply 2% solution of trichlorfon for spray disinfection to avoid transmission to the pigs. Prenatal exercise should not be excessive to prevent overcrowding and cause stillbirth and miscarriage. Transfer to the delivery room 7 days in advance to familiarize the environment with ease of production management. Disinfect the sows with 0.1% potassium permanganate solution, especially at the breasts and vulva. Be sure to clean the sows at the same time. Barn pollution. Safe delivery consignment sign. Look for a squeeze. A look at the breast, in the prenatal 15 days to 20 days, the breast from the back of the gradual expansion of the sagging, to the childbirth, the breasts are bright and bulging, both sides of the nipple swell, separated by eight characters outward. Commonly known as "a teat is fried, it will soon be." Secondly, looking at the tail, the vulva is red and swollen. The sides of the tail are slightly sunken, but the fatter sows do not see it. Looking at the performance of the three, the sow was uneasy, her appetite was diminished, mucus flowed out from the vulva, and shedding was done. Introduced varieties do not have this kind of performance. They only arch the grass together and urinate frequently. There are deliveries within 6 hours to 12 hours after this behavior occurs. A squeeze is the nipple, 2 days to 3 days before delivery, the nipple can be extruded milk, when the current part of the nipple can squeeze milk, the delivery time does not exceed 1 day. If the last pair of nipples can also express milk, it can be delivered in about 6 hours. Production operation. The average time required for normal delivery is about 4 hours, and the average delivery time is 18 minutes. The fewer the number of births, the longer the interval between each birth. The confinement personnel should shorten the nails before washing and wash the arms with soap. The entire confinement process should be kept quiet, with accurate and rapid movements. General sows produce the first pig 30 minutes after the water break. When the sub-pig is produced, the mucus in its mouth should be immediately removed with a finger, and then the muzzle of the mouth, nose and whole body should be wiped cleanly with a soft bedding to prevent clogging, affecting the breathing of the piglet and reducing evaporation of body water. Avoid sub-cold pigs. After the birth of the individual pigs, the childbirth is still not broken, and the confinement worker should immediately tear the childbirth by hand in order to prevent the pigs from suffocating and dying. Then hold the umbilical cord base by hand, hold the umbilical cord in the other hand, pull the umbilical cord slowly out of the birth canal, and never pass through the umbilical cord. Pull the umbilical cord a few times in the direction of the piglet and then wire it 4 cm from the piglet. The section was disinfected with 5% iodine. The umbilical cord that remains on the abdominal wall of the piglets will dry off after three or four days. Immediately after the umbilical cord was broken, the pig was placed under an infrared lamp and the body was baked. Subsidiary pigs are then nursing, and if the pigs feed too late, the pigs will become "stiff." Artificial midwifery. The sow had a strong pain, with a tail up, a shortness of breath, a rapid heartbeat, and repeated movements that would produce her son, but she could not see the pigs producing. At this time, artificial midwifery should be implemented. First, force the sow's breasts and press the sow's abdomen to help her deliver. If repeated presses for half an hour are still invalid you can inject oxytocin, the amount of 2 ml per 100 kg of body weight calculation, after half an hour can give birth. If the injection of oxytocin still does not work, surgery should be performed and the sows should be given penicillin and streptomycin after surgery to prevent infection. Treatment of fake dead pigs. The bodily dead pig was a soft body, blew his mouth, and even stopped breathing, but the heart still beat, and he felt that the root of the umbilical cord was still beating with his fingers. Rescue method: Use your fingers to quickly remove the mucus from the nose and mouth, wipe the nose and mouth, and breathe in the nostrils of the piglets. Wipe the mouth and nose of the pig with alcohol or liquor to stimulate recovery. Inverting the pig's hind leg, causing the mucus to flow out of the trachea, and continuously beat the pig's chest by hand until it makes a call; the dummy pig can also be supine on the mat grass and hold the limbs flexibly by hand. Repeated artificial respiration until breathing is restored. About 30 minutes after all the pigs have exported their tires, they also have tires and tires. If you see the end of the discharge of the placenta formed a plug, which means that the tire has been completely discharged, giving birth to end. According to the number of umbilical cords on the childbirth clothes, it is judged whether it coincides with the number of births. When the sow is extremely tired or unable to contract the uterus, injectable hormones promote its discharge. Should be removed immediately after discharge to prevent sows from swallowing, affecting digestion and the formation of filthy pigs. Tyre suits can be washed. Adding kelp or chicken broth to the sow and feeding the sow several times can promote sow lactation. Contaminated grass bedding should be removed from the circle and the sows' udder, genitals and hindquarters should be cleaned with soapy water or 0.1% potassium permanganate. Half an hour after giving birth, give the sow a moderate amount of salt water, preferably a warm bean cake bran soup and a small amount of salt to supplement body fluids, relieve fatigue, and avoid sows from eating thirsty pigs. At the end of childbirth, the uterus began to contract immediately, and the genital folds recovered on the first day and returned to normal within about one week. The sow's postpartum care sow does not feed in principle within 8 hours after delivery, and only feeds bean cake bran soup or other thin feeds. Within 2 days to 3 days after childbirth, you shouldn’t overfeed. Feed more green feed until you open it one week later. Early-produced sows are prone to postpartum loss of appetite or eating, generally due to postpartum feeding too early, feeding too much, too much feed, or due to eating a tire coat, causing indigestion. Insufficient green fodder can cause sow constipation, loss of appetite, or lower postpartum abdominal pressure, affecting normal digestive function. The sows have no postpartum milk or insufficient milk supply. They can feed millet gruel, soymilk, fetal clothing, small fish, small shrimp soup and other prolactin, or use drugs to prolactinate milk, promote milk spirit 10 tablets, and once cast. Treatment of piglets Piglets are weighed, their ears numbered and registered, and the canines are cut off with scissors to cut off the tail.
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