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How to Prevent Abortion in Spring and Winter
Release time:
2019-01-02
Winter and spring ewes are prone to abortion. The following comprehensive prevention and control measures are proposed for the causes of abortion, hoping to be helpful to the majority of farmers.
Winter and spring ewes are prone to abortion. The following comprehensive prevention and control measures are proposed for the causes of abortion, hoping to be helpful to the majority of farmers.
Causes of 1. abortion
1Improper management.
For example, sudden changes in climate, drinking ice residue water, feeding moldy forage, and being squeezed in and out of the ring can cause abortion in pregnant sheep.
2Lack of nutrition.
In winter and spring, the grass season is a single type of feed and lack of nutrition. At this time, the ewe is pregnant, and the nutritional demand is increasing, the body cannot make ends meet, and the fetus is underdeveloped, leading to abortion.
3, Chlamydia.
When the ewe is infected with chlamydia during pregnancy, chlamydia grows and multiplies in the placenta, especially the villous leaves, causing inflammation of the affected part and leading to early fetal output. After the ram is infected with chlamydia, it can be transmitted to the ewe by breeding. Sick ewes are mostly in the prenatal1Abortion occurs about a month ago. Before abortion, only abnormal expression and abdominal pain are shown. During abortion, stillbirth is discharged. The effective prevention method is to inject relevant vaccines to sheep every year.
4Brucellosis.
This disease often occurs in pregnant ewes3～4At the beginning of the month, the abortion rate is very high in the flock. Regular vaccination of sheep can prevent the disease.
Comprehensive 2. prevention and control measures
1, strengthen feeding management, do a good job of supplementary feeding in winter and spring, feed more carrots and grass powder to ewes, increaseLick brickFree Lick, Supplementtrace elementIt can increase its disease resistance.
23. Promote the plastic greenhouse for raising sheep, and forbid feeding moldy forage and fodder. In the feed as much as possible to add deenzymic net.
3Try to use artificial insemination technology to the ewe mating, to prevent infection.
4The enclosure should be clean and sanitary, feces should be cleaned in time, concentrated fermentation treatment, disinfection should be carried out frequently, ewes should be injected with anti-abortion vaccine in advance, aborted sheep should be isolated immediately, and the site, pasture, feeding trough utensils, etc. should be thoroughly disinfected.
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