Delivery room disinfection
Pregnant sows 5 days to 7 days before entering the delivery room, thoroughly clean the delivery room, disinfect with 2% to 3% fire alkali, etc., rinse with clean water, dry, and then enter the pregnant sow.
Appliance preparation
Potassium permanganate, iodine, towels, and lighting lamps should be prepared before delivery. In winter, piglet insulation boxes, infrared lamps, or electric heating plates should also be prepared.
Pig body disinfection
5 days to 7 days before farrowing, the pregnant sow is sterilized in the whole body, warm water is used in winter, cold water is used in summer, and sow body is cleaned first, and then the body is disinfected with 0.2% poison and other disinfectant, dried and entered. delivery room.
Labor symptoms
The sows began to bulge gradually from the back to the front of the sow 15 days before delivery, and it was shiny before the childbirth. The base bulges in the abdomen with two bands. The nipples are separated by two characters. Under normal circumstances, when the sow in front of the sow can squeeze out a small amount of thick milk, it may deliver about 24 hours or so, the middle nipple may appear to give birth about 12 hours after the milk appears, and the rear nipple appears 3 to 6 hours after the thick milk is delivered. If you lightly squeeze any sow of your sow and can extrude thick yellow-white milk, you may have to give birth immediately.
The vulva gradually became red and swollen 1 week before delivery, and the folds on the labia minora flattened. After 3 days of prenatal settlement, the pelvis was opened, and the tail was tilted up and down by hand. The range of motion could be obviously increased. As the ligament was relaxed, the muscles of the buttocks collapsed.
The sows perform uncomfortably in pre-partum labor, and they have to make swaddling movements. Generally, this phenomenon occurs after 6 hours to 12 hours; there is rapid breathing, lying from time to time, often sitting in dogs, urinating frequently, and then lying sideways. Lying down, she began to experience pains and began to stretch her limbs. She was forced to take responsibility for the flow of amniotic fluid from the vagina and was about to give birth.
Production technology
Before sows were born, scrub their genitals, breasts and abdomen with 0.1% potassium permanganate solution. Immediately after the birth of the piglet, wipe clean the mucus of the muzzle and nose with a clean towel, then wipe the fetal membranes and mucus, and then squeeze the blood in the umbilical cord to the abdomen, and then pass the bluntness 4 cm to 5 cm away from the belly of the piglet. Cut off the umbilical cord, apply iodine to disinfect, fill in the litter registration form and finish the treatment. Immediately send the piglet to the sow for feeding. The normal sow delivery time is usually 2 hours to 3 hours. After the piglets are fully output, the placenta is excluded approximately half an hour. After the placenta is drained (average 4.5 hours), the sows are immediately removed and the sow's abdomen is wiped with 0.1% potassium permanganate solution. Hindquarters, while flushing the bed with clean water.
Fake dead piglet handling
Some piglets become soft and dying after birth and even stop breathing. However, the heart is still beating slightly. Pressing the umbilical cord by hand can touch the pulse. This is the result of the suspended animation of piglets. To cleanse the oral mucus first, wipe the mucus on the nose and body, lift the hind leg of the piglet, let the mucus out of the trachea, and beat the back of the piglet by hand until it makes a sound; or wipe the mouth and nose of the piglet with alcohol or liquor. Surrounding, stimulate recovery; Or put the pig lying on the mat grass, with both hands holding its forelimb flexion and extension, until free breathing; or grab the pig ears or both forelimbs, put the piglet suddenly 40 °C ~ In 45°C warm water, expose the head to water and soak for 3 minutes to 5 minutes to activate the piglets.
Dystocia treatment
First, the confinement worker supports the sow's back abdomen with both hands, and pushes the buttocks with the responsibility of the sow; second, the head or leg of the piglet can be gently grasped by hand when he or she sees the head or leg of the piglet. Pull out; Third, intramuscular injection of oxytocin 3 ml ~ 5 ml, so that the fetus output; Fourth, the piglets still can not produce, you can disinfect the right hand, cut the nails, coated with lubricants (petrolatum, paraffin or glycerin, etc.), Five fingers close together into a cone, slowly into the birth canal, seize the appropriate part of the fetus, and then with the contraction of the sow abdominal contract, slowly pull the fetus out of the birth canal, when the piglet was pulled out, such as the sow into Normal litter, you do not have to continue to paralysis, after giving birth to the sows must be injected with antibiotics and other drugs; Fifth, after taking the above measures, the piglets still can not produce, only caesarean section
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