Breeding Doctor: Hello! My family lives in Karakule, Awati County, Xinjiang Uygur Autonomous Region. I am a professional cattle and sheep breeder. In winter, the climate is cold. My family's flock is easily miscarried in the winter and I lose a lot every year. What is a good idea? Can prevent? thank you very much!
Reader: Maimaiyiyijiang
Buy and buy Yiyi Mingjiang readers: Hello! Abortion refers to the death of the ewes from the uterus due to a pregnancy interruption or fetal insufficiency. Abortion not only causes great damage to the ewes, but also adversely affects the next pregnancy. There are many causes of abortions in ewes, which are mainly divided into infectious and non-infectious categories. Infectious abortion is usually caused by infection with Brucella, bacillus, and chlamydia pathogens. The etiology of non-communicable abortion is relatively complex, and there are roughly the following situations:
One is improper feeding and management. For example, long-term nutritional deficiencies cause ewes to be thin, fed frozen feed or ice water, feed moldy or toxic, etc.
The second is mechanical damage. Such as kick injury or due to excessive feeding density caused by mutual squeeze collision, male and female mutton in random disorder.
The third is abnormal fetal and fetal membranes. Fetal malformation and abnormal fetal organ development, fetal membrane edema, too little or too little fetal water, and placenta-inflammation and other diseases lead to miscarriage.
Fourth, the ewe is ill. Such as liver, kidney, lung, gastrointestinal diseases and neurological diseases destroy the pregnancy process and cause miscarriage. According to the above etiology, it is recommended to take corresponding prevention measures to ensure the breeding efficiency.
If the abortion disease caused by Brucella is confirmed, it must be tested by bacteria. Positive individuals should be promptly segregated and slaughter should be eliminated. Contact with healthy sheep is strictly prohibited. Thoroughly sterilize the contaminated equipment and site, and deeply dispose of the aborted fetus, the placenta and its secretions. For bacteria-negative individuals, attenuated vaccine against Brucella porcine type 2 attenuated vaccine or sheep type 5 attenuated vaccine can be used.
Bacterial examination confirmed the abortion disease caused by bacillus, can be used Fernhemicillin group preventive treatment, each ewes 0.6-0.7 grams, and even served for 3 days.
To prevent chlamydial abortion, Chlamydia abortion can be used to inactivate the oil emulsion, each subcutaneous injection of 3 ml, immunity period of 7 months.
For pregnant ewes with abortion, progesterone injection (containing 15 mg) can be given by intramuscular injection. If the fetal death is not discharged and the uterus has been opened, 1-2 ml of pituitrin can be injected.
For non-infectious abortion diseases, it is necessary to strengthen the management of feeding, and rational use of sheep feed additives to enhance nutrition and prevent the occurrence of various diseases. As the ewes absorb nutrients in the winter, in addition to maintaining normal growth and development, but also need to consume a lot of energy to resist the cold, pregnant ewes also have to bear the nutritional supply of fetal growth. Therefore, in the winter, pregnant ewes, especially immature and pregnant ewes, should pay more attention to forage and carefully feed and care.
In the winter, forage should be mainly fed with hay. Add a small amount of green leaves and radish to the feed, and feed a small amount of silage with a small amount of corn, bran and cake feed. Each day, 3%-4% of the ewes' weight can be fed with hay. Each day, about 0.125 kg of concentrate feed is fed.
For pre-pregnancy ewes, feed 0.25-0.5 kg corn, bran and cake mixes each day. 20 days before delivery, an additional 0.25 kg of concentrate feed is added. In this way, breast expansion can be promoted. To allow pregnant ewes to drink warm water, do not allow them to drink ice water, so as not to cause miscarriage.
In cold weather, it is necessary to hurdle the fence, prevent the cold, moisture, wind and heat, and maintain the sanitary and appropriate temperature within the fence. If there is no wind and snow, and the temperature is high, the ewes should be allowed to exercise properly and increase the light to enhance cold resistance and resistance to diseases.
In the process of ewe movement, do not let the sheep go too fast, do not hit the cold whip, and go in and out of the ring to prevent the ewes from crowding. During the second trimester of pregnancy, milking should be stopped to ensure that the ewes are healthy and have good fetal development.
At the same time, do a good job in cold-proof and anti-freezing work. Padding or dry soil should be placed in the column so that after lying on the ground, the ewe won't freeze the breast and it is not easy to get sick.
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