1. Delivery room preparation: The sow should clean the delivery room 5 to 7 days before entering the delivery room. Thoroughly sterilize it with 2% caustic soda and empty it. Disinfect again with a disinfectant before use and dry it for later use. Delivery room temperature generally l5 °C ~ l8 °C is appropriate. Cold mats can be placed in winter and spring, and appropriate measures can be taken in the summer to cool down.
2 The sows are transferred to the farrowing house 5 to 7 days before the expected date of birth. They are familiar with the environment of the farrowing house, and gradually reduce the amount of feeding from this time. The sows will stop feeding on the same day to prevent sows from overfeeding, excessive milk production, and excessive constipation. , mastitis and indigestion of suckling pigs. There is no need to cut down on the bad news.
3Before the expected date of childbirth, she will be on duty by special person and stay up all night. Once the sow is found to be uncomfortable, her appetite is reduced, her bowel movements increase, her stool volume is low, milk is pumped out of her nipples, her breasts are hot, her body is separated and straightened, and her head hits the gate or trough. There are symptoms such as increased frequency of pain or labor pains, that is, preparations for confinement and midwifery should be made. There must be a special person to deliver a child, do not leave it, ask people to wait for a pig, not a pig. Especially in the cold season or at night, it is necessary to increase vigilance. Never neglect your negligence so as to avoid unnecessary losses.
4 Keep quiet in the delivery room. Do not shout or loud noises to prevent the sow from being frightened. In any case, do not fight pigs, especially the first-born sows, but also have to wait patiently for delivery.
5 Wash the sows' udder and genitals before starting the baby's birth, then wipe and disinfect with 0.1% potassium permanganate to prevent infection. Contaminated stored milk in the nipple was discarded and discarded to prevent the sow from having metritis or piglet diarrhoea. Prepare utensils, medicines and utensils for disinfection.
6 After the piglet is born, dry the mucus in the oral cavity with a dry cloth and dry the fur to ensure that the piglets breathe freely. Then treat the umbilical cord. When the umbilicus is broken, the blood in the umbilical cord is first plucked back into the piglet body, and then twisted 3 to 5 cm away from the abdomen of the piglet, and the iodine is disinfected.
7 In the event of a dying piglet (not breathing, but the heart and umbilical cord are still beating), rescue immediately, raise the hind leg, tap the back or turn its four hoof upwards, hold one shoulder with one hand, butt the other, bend and stretch repeatedly, until the piglet is issued So far.
8 During the farrowing process, the sow should be kept quiet. After the birth of the piglet, the colostrum should be eaten immediately and then put into the incubator (temperature within the box is 30°C to 32°C). Especially in the cold winter, colostrum should be eaten as soon as possible, otherwise it will soon die if the body temperature drops.
9 Pay particular attention to the amount of the placental discharge. In general, one piglet per piglet. However, there are also cases where 2 piglets or piglets have a birth suit. The number of umbilical cords should be carefully counted. If the discharge of the umbilical cord in the placenta is small. It is very likely that there are still unborn piglets or it may be that the birth-residues are detained and measures must be taken to deal with it in time. After the sow is completed, the placenta should be removed immediately and cleaned up.
10 After all the piglets are born, they should immediately play the ear number, weigh, cut the teeth, sever the tail, and inject iron selenium hematin (iron deficiency anemia and white muscle disease), and make a litter record.
11 For the first born or have a difficult birth record sow. In order to promote smooth delivery. Intramuscular injection of oxytocin may be appropriate (use this medicine must pay attention, such as the sow cervical mouth is not open, do not use oxytocin). Each use dose of l0 ~ 50 units, if necessary, added once again 30 minutes later, and wait for l0 minutes still did not see the piglet out, you should immediately check the birth canal for any abnormalities. Avoid several piglets blocking the cervix mouth at the same time or there is abnormal fetal position in the piglet, which results in dystocia.
12 Difficulties in handling: In case of difficulties, the sow and genital area of ​​the sow should be washed according to conventional midwifery and disinfectant. The surgeon disinfected both arms and applied lubricating oil. The midwifery should be lightly stabilized. After production, the uterus should be washed with 0.1% potassium permanganate for 2 times per day.
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