Abortion of the ewes is also called pregnancy interruption, which means that the normal physiological processes between the fetus and the mother are destroyed due to various reasons, and the clinical and pathological symptoms of the fetus cannot be produced normally. Abortion is not a disease, but the clinical manifestations of various adverse factors acting on the body. So what are the causes of abortion in sheep? How to prevent it? Let's take a look at the causes and preventive measures that cause abortion in sheep.

First, the cause of abortion

1, chlamydia disease. When the ewe is infected with chlamydia during pregnancy, chlamydia grows and breeds in the placenta, especially the villus, causing inflammation in the affected area, leading to early fetal output. After the ram is infected with chlamydial disease, it can be transmitted to the ewes by breeding opportunities. Most of the sick ewes have a miscarriage about 1 month before the birth. Before the abortion, they only show abnormality and abdominal pain. When the abortion is discharged, the stillbirth is discharged. An effective preventive approach is to inject the vaccine into the sheep each year.

2. Brucellosis. This disease often occurs when the ewes are pregnant for 3 to 4 months, and the abortion rate is high when the flock first occurs. Regular vaccination of the sheep can prevent the disease.

3. Lack of nutrition. In the winter and spring hay, the feed type is single and the nutrition is lacking. At this time, the ewes are in the gestation period, the nutritional demand is increasing, the body is unable to make ends meet, and the fetus is underdeveloped, leading to miscarriage.

4. Improper management. Such as sudden changes in climate, drinking ice slag, feeding mildew forage, and being squeezed into and out of the circle can cause abortion of pregnant sheep.

Second, measures to prevent abortion in sheep

1. Strengthen feeding management

Strengthen the nutrition of ewes, adopt scientific breeding and feeding methods, balanced nutrition, reasonable proportion of refined roughage, prohibit feeding of mildew, degraded feed, forage, and prohibit drinking of frozen water; keep the house cold and warm, sunny, ventilated and dry , regular disinfection, cleanliness; welcome attention: sheep and sheep disease prevention service hotline, WeChat public number. The breeding density is reasonable, ensuring that there are enough sports places and feeding troughs in the flock, and the male and female groups are strong and weak. The ewes are raised separately in the late pregnancy; when grazing the pregnant sheep, it must be slow, not to drink and catch up.

2. Strengthen animal epidemic prevention

Improve the construction of animal epidemic prevention systems and improve the disease resistance of susceptible animals. Do a good job in epidemic surveillance, animal regulation and quarantine, and avoid bringing disease into or out of the disease; conduct regular health checks on susceptible animals in accordance with veterinary regulations, and carry out vaccine immunization, medicated bath and other epidemic prevention work on time; for suspected diseased sheep, Timely isolation, careful medication and treatment; when the ewes are found to have abortion signs, they should take timely measures to prevent miscarriage. Do a good job in the purification and harmless treatment of the disease, and the harmless treatment of the aborted fetus and the discharge of the female animal.

3. Optimize the structure of the flock

Continuously optimize the structure of the flock, through the use of scientific breeding methods and year-by-year elimination of sheep with a history of genetic disease, weak constitution and poor production performance, to improve the reproductive capacity of the ewes, to achieve superior matching, Fully equipped with the purpose.

The reason for the abortion of the ewes and the prevention and control measures are introduced to you, and I hope to help everyone.

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