It is difficult to avoid the occurrence of dystocia in the production process of sows. If not handled properly, it may cause serious consequences for the death of the mother. The practicing veterinarian reminded everyone that the sow's output from the first piglet to the discharge of the placenta is 2-4 hours for the entire production process, and the interval for the litter size is generally 10-15 minutes. If the amniotic fluid outflows for more than 30 minutes, the sow is restless or fatigued, the spirit is lacking, and the breathing is accelerated, midwifery treatment should be taken. Accurately determining whether a sow is difficult to produce is directly related to the health of the mother. This is an important prerequisite for midwifery and first aid.
The sow must be specially guarded at the time of production. When the dystocia occurs, different means of midwifery should be adopted to reduce the economic losses caused by dystocia. The “ten†word is used in the midwifery, ie, “check, change, and fit.†Step on, pull, touch, note, pull, use, and lose.
First, "check", that is to check whether the pelvic cavity and birth canal dystocia abnormal, such as pelvic stenosis, cervical neck stenosis, piglets can not pass through the birth canal caesarean section should be taken.
Second, "change", that is, seeing sows farrowing interval of more than 30 minutes, the sow to get up and change the body position, can help correct the position of the fetal position is not correct.
Third, "Mo", that is, when the childbirth, the person can give the sow breast massage, can also let just born piglets to suck sow breasts also achieve natural massage effect. This is conducive to the rapid and smooth production of unproductive piglets.
Fourth, “Press†to find out whether there are unproduced piglets in the stomach below the sow's soft waist. If there are unproduced piglets in the belly, there will be noticeable irregularities and there will be movable hard objects when pressed hard. When seeing the fetus press up, the veterinarian of the pig disease practitioner recommended that: Following the situation in the bulging area, is conducive to fetal output.
V. "Pull", when you see that the sow is responsible for weak contraction and is unable to expel the fetus, when the fetus is partially exposed, the fetus is pulled out in time to save the sow's physical exertion during childbirth. The pig veterinary surgeon recommends that you must avoid reaching out into the birth canal to avoid increasing the chance of infection.
Six, "touch", when the midwifery staff put his hand into the birth canal, if you touch the rectum filled with fecal pressure into the birth canal, pig disease practitioners veterinarian advises: use mineral oil or soapy water to soften the dung ball to facilitate excrement; Touching the bladder to accumulate too much and squeezing the birth canal, the veterinarian of swine disease counseling recommends gently pressing on the bladder wall with fingertips to promote urination; or forcing the sow to stand up and promote urination.
VII. “Notes†For the premature discharge of sows and amniotic fluid, if the fetus is too large and the birth canal is narrow and dry, it can easily cause dystocia. A lot of lubricant such as clean edible vegetable oil can be injected into the birth canal, and the midwife will sterilize the hand. Into the birth tract, as the sow shrank, slowly took out the baby.
8. If the piglet reaches the entrance to the bone-poor cavity or has entered the birth canal, it should immediately take the traction if it feels its size, posture, and position.
Nine, "use", the stillbirth of the pig often occurs in the last delivery of a few fetuses, in the late output, if there is still fetal output is not discharged and delayed, it is best to use drugs such as oxytocin.
Ten, "lose", that is, in the production of infusion, in the midwifery process, to try to prevent injury and infection of the birth canal. Sows should be given antibiotics after midwifery to prevent infection. Infusion solution, the first bottle: 0.9% physiological saline 500ml + ceftiofur (5 mg/kg body weight) + Houttuynia injection (0.1 ml/kg body weight); second bottle: 5% glucose 500ml + VC (amount 500 mg) + B1 (50 mg once).
Practice veterinarian’s Tips: Production sows are banned from oxytocin production in obstructed birth canal, malposition, pelvic stenosis, and cervix has not yet been opened.
Some people want to make sows fast-producing, so that when the sow's cervix has just opened, a large dose of intravenous oxytocin is injected. This results in a strong contraction of the uterus, a large outflow of amniotic fluid, causing the birth canal to dry, piglets should not be produced, serious piglets umbilical cord Both are cut off and the piglets cannot survive. Instead of uterine contractions, piglets are still connected to the sow by the umbilical cord in the sow's tummy, and the sow's supply of oxygen piglets does not cause death. It is also easy to cause a large outflow of colostrum, which is the biggest waste for piglets because colostrum contains a large number of maternal antibodies. It is not a substitute for enhancing the resistance of piglets and reducing the incidence of disease.
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