Early spring grass, young water, good palatability, is the food of livestock, but should not be grazing prematurely, otherwise unhealthy for livestock, prone to two diseases, briefly described as follows:
First, low magnesium gall disease, also known as grass grasshopper, mainly occurs in the early spring after grazing grass 1 to 2 weeks. Pathogenesis: Young grass contains less magnesium, potassium and nitrogen are more, and potassium and nitrogen can affect the absorption of magnesium. As a result, the body lacks magnesium. The incidence of bulls is lighter, and the incidence of heavier cows during lactation is heavier. Symptoms: Sudden onset with sudden or catching cold. Mild, nervous, terrified and unsteady when walking. In severe cases, the appetite decreased greatly, convulsions occurred, and the limbs involuntarily stroked after lying down; the amount of cow milk produced was greatly reduced. Prevention: Because of the lack of calcium at the same time, it should be supplemented with magnesium and calcium. A, bone meal: Add 1% of concentrated material. B. Magnesium Oxide: 50 grams per day for adult cattle and 10 grams for calves, added to the diet.
Second, thinking of the disease from the "Bao Ji set." Causes of morbidity: In the spring, the animal needs urgently green feed, and after eating a small amount of young grass, it induces a strong appetite, that is, aversion to yellow grass. Grass can not meet the demand, that is, long-term expectations. Symptoms: Standing uneasy, often wanting to go out. In the wild, looking around, I can't see the grass. Feeding forage in the winter, the attitude is indifferent, the food intake is greatly reduced, the time goes by a long period of time, the senility is reduced, and it is weak and unable to endure labor. Prevention: 1 Early spring can not be grazing. 2 at the end of the tongue to know Gandang, with a triple needle prick bleeding, with a small amount of salt to rub the tongue.
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