Good work can promote the production of sows and increase the survival rate of piglets. The perinatal period refers to the period from 108 days after mating until the farrowing period. The sows are transferred to the farrowing house. In order to allow pregnant sows to adapt to the new environment as soon as possible, normal feeding, safe and smooth farrowing, the sow system should be cleaned and disinfected. Prenatal feeding technology
Addition and subtraction of feed. 10-15 days before the sow is born, gradually feed the lactation feed to prevent sudden changes in the postpartum caused by indigestion and piglets diarrhea. If the sow has a good sensation and the breast enlargement is obvious, the amount of feed should be gradually reduced in 7 days before birth and half of the ration is reduced to 1-2 days before delivery. When the symptoms of labor are found, feeding should be stopped and only the bean cake bran soup should be fed. If the sows have poor lyrical condition and their breasts are dry, they should not only reduce their feed but also feed soybean protein and other protein prolactin feeds to prevent the sows from having milk and proper exercise.
Dispel ectoparasites. In the days before the delivery, the sow was lying and she did not like too much exercise. She should create a quieter and more comfortable environment for her sows. If a sow is found on the sow, use an anthelmintic such as ivermectin to eliminate it, so as not to pass it to the piglets after delivery.
The breeder should be in contact with the sow more, and when feeding or cleaning the house, hand caress or swab the body of the sow with a soft brush to form a conditional reflex that is not afraid of people. Ready. It is best to put something like a bedding in the pen, so that the sow can use the grass to make it easier for the breeder to observe the sow's delivery time.
Prenatal observation
When the sows were 7 days before delivery, the mammary glands developed gradually and there was a clear boundary between the base of the breast and the abdominal wall. With the close proximity of labor, this boundary change became more and more obvious. The sow’s activity in the late pregnancy was significantly reduced, her temperament became tame and she liked to lie down. However, the sow was abnormal in the 2 days before giving birth. Generally, the sow showed irritability, eating was abnormal, and there was a defensive reaction when the stranger approached. There will be open mouth attacks. As the labor time approaches, the number of sows' dejecta increases.
Prenatal sow bath
Before the sow enters the delivery room, the obstetrical bed and the incubator must be thoroughly cleaned and disinfected. The sow body should be cleaned and then disinfected with the liquid for 1 time. After the upper part of the bed, the pigs should be sterilized once again. Minimize the pathogens that come from breeding pigs.
Production and appliances
Sows should be prepared for the necessary utensils and articles before delivery, such as iodine for disinfection, alcohol, boxes for piglets, flashlights and lights for lighting, electric heat or stoves for heating, infrared lamps, etc. Heating equipment, wipes for delivery, ear clamps for ear numbers, pliers for cutting teeth, and scales for small pigs.
Care for sows
After the sow is delivered, the reproductive tract is still open, physical strength is weak, resistance is reduced, and it is vulnerable to infection by pathogenic microorganisms. It is necessary to take necessary health measures.
Postpartum sow feeding method
After sowing, the feed intake of sows directly affects the survival rate of piglets, weaning weight and estrus after weaning of sows. Under normal circumstances, according to the sow’s appetite, sensation, and parity, the use of wet spices can increase the number of feedings in summer. Increase feed intake during lactation and reduce weight loss during lactation. Feed intake during lactation is controlled at more than 6 kg. After sowing, 200 g of brown sugar is given to sows twice a day for 10 days. This is beneficial to the sow’s physical strength. Recovery and lochia discharge.
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