Strengthen vaccine prevention
Prevention of chlamydial abortion can be used Chlamydia abortion disease oil emulsion inactivated vaccine, subcutaneous injection of 3 ml / only, immunization period of 7 months.
Prevention of brucellosis may be attenuated live bacterin from pig Brucella type 2 or attenuated live bacterin from Brucella schlebotens. Brucella porcine type 2 attenuated live bacterin can be used for immunization against drinking water. The dose is 10 billion to 20 billion live bacteria. Can be divided into two Beverage Service or Beverage Service. When fed, the dilution ratio is 1:10. The immunization period is about six months to one year. Should drink 1 to 2 times a year, and even served 3 to 5 years. Brucella serotype 5 attenuated live bacterin vaccine can be used as an immunization or aerosol immunization. Aerosol immunization The dose of vaccine was calculated in the room at a rate of 5 billion viable bacteria per cubic meter. The dose of immunization against fog was 5 billion live bacterins per sheep. After closing the sheep into the room, close the doors and windows. From the horizontal line about one meter higher than the height of the sheep's head to the four sides. After the bacterin has sprayed for 20 minutes, the sheep can be released after free suction. The open-air operators hold the atomizers, and the diluted bacterins will be sprayed through the Atomizer. The nozzles will be raised to the height of the sheep and sprayed evenly toward the sheep's head. After spraying the bacteria, the sheep will stay in the column for more than 10 minutes. can.
Treatment of acute and chronic metritis
Occurred in early pregnancy. Chronic metritis has no obvious clinical manifestations. In acute metritis, vaginal mucus or purulent secretions are excreted, and more secretions are excreted in the lying ground, and adhere to the root of the tail. The color is gray-red or brown-yellow, often For the urination posture, 0.1% potassium permanganate can be used to rinse the uterus repeatedly to remove all the mucus in the uterus. Seriously except for the use of anti-bacterial anti-inflammatory drugs, but also the use of strong heart, stomach, calcium medicine, and improve feeding, care, to restore the performance of ewes as soon as possible.
Intensive feeding management
In winter and spring, it is necessary to do a good job of feeding, and in autumn it is necessary to do a good job of manure. Pregnant sheep are fed with compound feed such as carrots and grass powder, and concentrate feeds and selenium-containing additives are properly added to enhance sheep's physique and disease resistance. In the second month of ewes' pregnancy, supplementation must be strengthened. High-quality hay and concentrate feeds should be supplemented at this time. Attention should be paid to the supplement of protein, calcium and phosphorus. The energy level should not be too high. Do not raise the ewes too well to avoid adverse effects on the fetus.
Pay attention to feed and drinking water hygiene. It is forbidden to feed fodder, rotten spoilage forage and forbid drinking drinking water.
It is necessary to promptly remove the manure from the pens and the waste forage. Regular disinfection shall be carried out on the pens, pastures, and activity sites. Diseases must be isolated and disinfected in order to ensure the cleanliness of the homes and fields. For miscarriage of sheep as long as the timely isolation and processing.
It is strictly forbidden to mix stocks for stocking, to practice the separation of males and females, and to protect the ewes at the end of pregnancy separately. Grazing and grazing should be slow and steady to prevent crowding and slipping, and to prevent skipping cliffs and running ditch. It is better to grazing on flatter pastures. Keep the sheep house warm, dry and well ventilated. For ewes that may produce twin lambs and newly-wedted ewes, it is necessary to strengthen feeding and management.
For ewes with clinical abortion symptoms, compound progesterone injections can be used as soon as possible, each time 15 to 25 mg per sheep, intramuscularly, once daily, and even for 2 days. If the fetal death is not discharged and the uterus has been opened, 1 to 2 ml of pituitrin can be injected intramuscularly.
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