1, preoperative examination
Check and understand the time of childbirth, whether it is ruptured, whether there is amniotic fluid outflow, abdominal circumference and the size of herd. The first born cows are more likely to have difficulty in producing due to the narrow birth canal, and the difficult to produce in farmed animals is due to the fact that the direction, position and posture of the fetus are not correct. When examining the fetus, check whether the fetal position is normal and whether the fetus is alive or dead. The identification of the fetus life and death is as follows: (1) When the fetal position is normal, use a finger to probe into the mouth of the fetus. If you feel that you have a sucking action, it means that the fetus is alive and that there is no sucking movement. (2) When the fetal position is inverted, touch the umbilical artery or extend it into the anus by hand. If you feel that the umbilical artery is beating, there is a contraction response in the anus, indicating that the fetus is alive, otherwise it is stillbirth. The general condition of the cow, such as poor or propensity for heartbeats, irregular rhythm, infusion or subcutaneous injection of camphor.
2, preoperative preparation
(1) Baoding of the cows: taking Baoding to stand, so that the forelegs of the mother and livestock are low in the hind limbs, which is convenient for correcting the fetal position and the midwifery is more convenient. (2) Wash the exposed part of the fetus and the perineum, heel, etc. of the fetus, and then rinse with 0.1% benzalkonium chloride solution or hydrogen peroxide to avoid contamination of the birth canal during operation. (3) Preparation of equipment: All kinds of instruments should be disinfected, and two or three soft cotton cords with a length of about 2 to 3m and a diameter of about 1cm should be prepared for the use of fetuses. In rural areas, farmers usually keep some 2m long white cloths. You can find a broken one, that is, solid and durable, soft and light.
3, surgical precautions
(1) If the fetal position is not correct, send the fetus back to the uterine cavity and correct the posture of the fetus. (2) When the fetus is pulled, the assistants coordinately push, pull, and drag rhythmically and cooperate with the responsibility of the cow to avoid damaging the birth canal. (3) If the birth canal of difficult-to-produce cows is narrow or the birth canal is dry, a certain amount of disinfected liquid paraffin can be injected to lubricate the birth canal and protect the mucous membranes. (4) When the head is exposed, the operator should hold the fetus to a push and a drag. Slowly pull it out. Do not forcibly pull it out suddenly to avoid sudden pressure drop and shock. (5) After the fetus is pulled out safely, the operator should promptly remove the fragments and congestion of the placenta in the cow's womb, and sprinkle a certain amount of antibiotic powder to prevent postoperative infection.
4, treatment
Take appropriate measures depending on the body condition and infection of the livestock. All those who have undergone surgery must pay special attention to the occurrence of fever, lack of milk, and weakness of mother and child. To disinfection and sterilization, anti-inflammatory analgesic, qi and blood, thirst, spleen and nourishing the principle of treatment. See treatment methods.
4.1 Case 1 A five-year-old mother buffalo at Lee Village in Dashan Village was having a hard time coming to see her. Chief Complaint: Yesterday, the cattle produced calves, and the amniotic fluid flowed out. No cow calves were produced. The cows were weak and could not afford to sleep in the circle. Symptoms: The spirit is depressed, and sometimes there is a buzzing sound and the abdomen is wide. Diagnosed as labor, amniotic fluid has been broken, two forelimb calf in the pelvic cavity, must be midwifery.
Baoding: Forcibly driving cows to stand on the side of a circle, empty side with a 4m-long wooden stick before the low height, blocking the cattle body fixed. The surgeon used a bathing hand to go deep into the pelvic cavity and pushed the fetus backwards to a moderate degree. The cloth ropes were tied to the ball joints of the two forelimbs. The assistants pulled the ropes of both limbs and the surgeons reached into the birth canal to touch the fetus. Press down slightly on the head, and the surgeon will push the cow to drag it out. When the fetal head is exposed, the head is covered with a cloth rope, and the neck crosses under the neck, tightening tightly (neither tightening nor falling off). The surgeon pulls the head rope to coordinate with the assistant to push and pull. When the waist is exposed, the cloth rope is relieved. The assistant holds the calf in both hands. The practitioner holds the body of the calf slowly and pulls it out slowly. The force should not be excessive. When the burdock is pulled out, the assistant eliminates the dirt on the burdock. The operator timely removes the utero-residue from the uterus, removes the fragments of the tympanum in the uterus, collects blood, and then uses a disinfecting solution to clean the uterus and the inside of the uterus. The gauze strips are used to suck the disinfectant, and then the uterus and the inside of the uterus are gently wiped, and the antibiotic powder is scattered after washing. To prevent infection.
The cow has a long production process, causing qi stagnation and blood coagulation, postpartum weakness, lochia, abdominal pain. Treatment is based on the principle of anti-inflammatory, anti-bacterial, spleen-invigorating, and spleen-strengthening. The traditional Chinese medicine is to disperse qi: Rehmannia glutinosae 100g, Angelica dahurica 55g, Angelica sinensis 100g, Rhizoma Chuanxiong 35g, research and development of boiled water, phlegm and temperature irrigation; Western medicine anti-inflammatory antibacterial, Shujinhuoxue: "postpartum Kang" 20ml, penicillin 8000000IU, An intramuscular injection. For 3 days, the cow was cured and the mother and child were safe.
4.2 Case 2 A 9-year-old female buffalo at Hurong Village in Guangrong Village has had a childbirth. Chief Complaint: Yesterday, I did not eat grass. Today I rushed cattle uphill to grazing. At noon, I found out that I was exhausted. I went to the circle and did not follow the call. Symptoms: stunned, horny cow dung, a little sound will look around, walk around. Upon inspection, the forehead of the fetus has been extended and the other limb is embedded in the pelvic cavity. When the outstretched arm is put on the cloth rope, the baby is pushed in until it can grasp the other limb embedded in the pelvis. It is pulled hard and pulled to the outdoors, and the cloth rope is still put on. The assistant pulls on both limbs. The ropes were also pulled by the surgeons at the place where the limbs were attached to the ropes. They were pulled together with the cow's shoulders and pushed forwards. When the head was over the top of the vagina, the surgeon pressed his head slightly with his hands and did not push it. Above the birth canal. The calf has a large body (hybrid and frozen). The cow's birth canal is relatively narrow and the dragging is not smooth. Pulling it out and retracting it can be used to draw a mouthful to widen the birth canal, but considering that it will increase the chance of wound infection. Take conservative births. The assistant pulls the cloth rope of the head and pulls it one by one. The operator presses his hands against the mouth of the vamp and pushes in the opposite direction. In this way, only about 2 cm is pulled out for each pull. After 1 hour, the burdock is pulled out and weighed as much as 51 kg.
Cows produce more body fluids when consumed, and must be anti-bacterial, anti-inflammatory, thirst-quenching, spleen and nourishing the stomach, Shujinhuoxue. Astragalus membranaceus 100g, Angelica 50g, dried tangerine peel 40g, Atractylodes 50g, Cimicifuga 35g, 35g Bupleurum, soaked in fine water, under temperature irrigation; Western medicine Shujinhuoxue: "postpartum Kang" 20ml, penicillin 8000000IU. Once a day, once every 3 days, the cow is cured and the mother and child are safe.
4.3 Case 3 A 13-year-old female buffalo at village Liumou home in Gwangong Village ditch dystocia. Symptoms: The cow is uneasy, panic-stricken and disturbed. The examination is labor, and the hand reaching into the mouth of the baby has a sucking sensation and proves to be a living fetus, but both forelimbs are embedded in the pelvic cavity.
Surgery: Disinfect the birth canal and the hand, push the head of the fetus inwards, straighten the head and feet, and then lean the two forelimbs embedded in the pelvic cavity on the birth canal and pull it on the rope. The yak body is large, the birth canal is narrow, and it is tightly stretched. The assistant pulls outwards. The operator presses the birth canal and pushes it in the opposite direction. When the forelegs are pulled to a moderate degree, the arch is pulled down from the head above the birth canal to the production crossing. (It is not appropriate to pull the head and foot together, because the mouth of the birth canal is too small). After an hour of straightening, the burdock was finally pulled out, and the intrauterine fetal clothing and sera were cleaned in time. The cotton wool was used to absorb potassium permanganate. After entering the uterus, the disinfectant was exported, and 4 million IU of penicillin powder was scattered. Anti-uterine inflammation.
Treatment: anti-inflammatory sterilization, detoxification bulk, thirst, spleen and stomach, Shujinhuoxue treatment agent. Western medicine: first use penicillin 8 million IU, sugar 1000ml salt, mixed infusion, once a day, continuous loss for 2 days. Then use "postpartum Kang" 20ml, analgin 20ml, penicillin 4000000 IU, mixed intramuscular injection. Traditional Chinese medicine: Use one Chinese medicine for case 2. The vulva was swollen and wiped off the mouth of the birth canal with fresh potassium permanganate solution. External use of trichlorfon was sprayed with water to prevent mosquitoes, flies and insects from biting. Due to its age, the cow lost weight and it returned to normal after only half a month. After the visit, he recovered.
5, summary
(1) When it is difficult to produce a defective product, report it early and deal with it in time without delay. The stillbirth quickly swells and bulges in the abdomen, and its volume increases. Only the corpse or the cesarean section is taken out. (2) It is limited to the author's level and the medical conditions are simple. The method of surgical taking the fetus and the therapeutic drug are willing to discuss with the majority of my colleagues.
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