Sow production and nursing technology
1. Prenatal preparation
(1) The production circle should be thoroughly cleaned, and then be disinfected twice with disinfectant and other disinfectants and dried after use.
(2) Prenatal and postpartum reduction of sows on the 3rd day after birth, free access to food, 3 days before delivery, feeding of stomach soda and other digestive medicines, and feeding for 1 week, before the delivery, check whether the breasts are flowing out of milk so that they can do well Production preparation.
(3) The sow's delivery room should be kept warm, dry, clean, and bedding clean and soft. Humidity and cold in sows' maternity wards are important factors that cause piglets and sows to become ill.
(4) Prepare 5% iodine, 0.1% potassium permanganate disinfectant, antibiotics, oxytocin, heat lamps and other pharmaceutical tools.
(5) Wash the vulva and breast of the sow with 0.1% potassium permanganate before delivery.
2. Judging the childbirth
Swollen vulva, frequent urination; breasts shiny, both sides of the breast out, hand squeezed milk discharge, colostrum appear after 12 to 24 hours endocrine.
3, production
(1) To be guarded, the time of each departure must not exceed half an hour.
(2) After the piglets are born, they should immediately clean their mouth and nose mucus and wipe the pig body dry with a rag. For dead piglets that are not breathing and the heart is still beating, different measures should be taken according to different situations to rescue them. If the umbilical cord is wrapped around the neck, immediately untie the umbilical cord, put the piglet's limbs upwards, hold one hand in the shoulder, and then stretch and stretch it repeatedly until the piglet screams; the mucus plugs the throat. Immediately licking the mouth, mucus in the nose, and pricking his two hind legs to pat the chest, wait for the cry and lay down. If the placenta does not or the placental incomplete can be intramuscular injection of oxytocin.
(3) When the umbilicus is cut off, the blood in the umbilical cord should be squeezed in the direction of the abdomen of the piglet. The umbilical cord should be cut with scissors at 2 cm to 3 cm from the abdomen of the fetus and then sterilized with 5% iodine.
(4) Help the piglets to eat colostrum, fix the nipples, put the small ones in front and big ones behind. Before the piglet eats colostrum, it is necessary to squeeze out the first few drops of milk from each nipple.
(5) If there is amniotic fluid discharge and there is no resignation after 1 hour, there is still no piglet discharge or the farrowing interval exceeds 1 hour. This is considered as dystocia and requires artificial delivery.
4, the treatment of dystocia
(1) For long-term culprits who are unable to produce foetus, artificial sows should be given. Injectable oxytocin, generally 30 minutes after injection can produce piglets, such as the injection of oxytocin is invalid, surgical removal can be used.
(2) Before the operation, nails should be cut, washed with soap, disinfected and painted with Vaseline. The sow's genital area should be sterilized with Sur or Potassium permanganate solution, and then we must take care of the sow. When the vulva is opened, the hand is held in a cone, the palm of the hand is down, and slowly extends into the birth canal. After the piglet is touched, the piglet is gradually pulled out with the sow's responsibility to prevent damage to the birth canal. After you have pulled out a piglet, if you turn to normal delivery, you will not continue to lick.
(3) After the confinement is completed, sows should be injected with antibiotics or antibiotics to prevent infection. The placenta excreted at the time of sow farrowing should be promptly removed to prevent the sows from eating the placenta, so as not to develop the filth of the piglets. After the farrowing is over, wipe the sows's breasts with warm water, replace them with clean grass, and then put the piglets around the sows for feeding.
5. Postnatal care and feeding
(1) Suckling sows are fed 2 to 3 times a day, and the materials are reduced 3 days before delivery, gradually reduced to 1/2 to 1/3 of the daily feeding amount, returned to normal after 3 days of delivery, and freely fed until 3 days before weaning . If the sow does not want to stand and feed during feeding, it should be started.
(2) During the lactation period, pay attention to a quiet environment, clean the house, and dry it so that it is warm in winter and cool in summer. Observe changes in feed intake and lactation levels of sows at any time so that appropriate measures can be taken in response to specific conditions.
(3) Injecting 1 ml of ferricin and other irons within 2 days after birth to prevent anemia; 2 ml of gentamycin should be administered to prevent diarrhea. Sodium selenite-VE 0.5 ml was injected to prevent white muscle disease. It also improved the resistance of the piglets to the disease. If the respiratory disease was severe in the farm, the nasal cavity was sprayed with kanamycin to prevent it. Dairy-free sows use progesterone herbs or oral administration.
(4) After the piglets have eaten the colostrum, they must adjust their feeding habits to make sure that the number of piglets is equal to the number of effective sows in the sow, and prevent the unused nipples from shrinking, thus affecting the lactation performance of the next fetus. When fostering, the age difference between the piglets does not exceed 3 days. The piglets with large bodies are sent out. When they are sent out, the whole body of the piglet is wiped with the mother's milk to prevent the mother from biting the foster piglet.
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