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Selenium deficiency affects the rate of cattle and sheep pups?
Release time:
2020-03-30
Selenium deficiency is a nutritional metabolic disease characterized by the deterioration of skeletal muscle, cardiac muscle and liver caused by selenium deficiency. In view of the selenium deficiency and vitamin e deficiency in the etiology, pathology, symptoms and prevention and treatment and other aspects of the existence of complex and close correlation, so the two are called selenium-vitamin e deficiency syndrome.
Selenium deficiency is a nutritional metabolic disease characterized by the deterioration of skeletal muscle, cardiac muscle and liver caused by selenium deficiency. Given that selenium deficiency is the same as vitamineLack of etiology, pathology, symptoms and prevention and other aspects of the existence of complex and close correlation, so the two called selenium-VitaminseLack of syndrome.
1. Cause:
Over the years, studies have confirmed that selenium is an essential trace element for animal nutrition, and the cause of this disease lies in the lack of selenium content in feed. The amount of selenium in plant feed is directly related to soil selenium levels. Soil selenium content is generally1×10－５～2×10Between -5, the appropriate selenium content of plant feed is1×10-5. When the soil selenium content is lower5×10-5,Selenium content of plant feed is lower5×10-6It can cause cattle disease. It can be seen that low selenium soil is the root cause of the disease, and low selenium soil acts on cattle through feed. In addition, vitamins in feedeThe content of fatty acids and other antioxidants and the content of fatty acids, especially unsaturated fatty acids, are also important factors or conditions.
(2) Symptoms:
Calves and lambs show a typical cluster of white myopathy symptoms. The initial symptoms of the disease are stiffness and weakness, followed by paralysis, respiratory urgency, inability to eat milk, digestive disorders, accompanied by intractable diarrhea, rapid heart rate, arrhythmia. The incidence of calves, lambs are generally in 3 ~7Weeks of age, exercise can promote exacerbation of the disease. It has been reported that the stagnation of postpartum placenta in adult cows and sheep is related to low selenium.
3. Prevention and Control:
Strengthen feeding management and reasonable matching feed. Dairy cows raised in low-selenium areas or feeding diets and feeds brought in from low-selenium areas must be generally supplemented with selenium. It is suggested that cattle and sheep should lick Rocky bricks for a long time, which can solve this problem well.
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