First, supplemental nutrition lacks green feed in spring, and at this time the animal begins to lose its hair and the keratin layer on the surface of the skin begins to fall off. It is urgent to add amino acids, vitamins, and minerals. Therefore, attention should be paid to the addition of high-quality green reserves, carrots, and green radishes. Cabbage, etc., to supplement nutrition and regulate gastrointestinal function. After the “Ching Mingâ€, weeds began to sprout and weeds were collected for feeding livestock and poultry to save feed, supplement nutrition, and prevent diseases. After the “grass rainâ€, the rainwater increased significantly, and the stored feed was susceptible to mildew and spoilage. The palatability deteriorated. Regular inspections, sun exposure, and feeding of herbivores such as cows and sheep should be performed with attention to cut and supplement the salt. The second is to sterilize the shed in the air for fumigation. 30ml of formalin and 15g of potassium permanganate are used for each cubic meter of space. After 12 hours of airtightness, open doors and windows for ventilation and ventilation. The third is to pay attention to warm spring temperature rise, windy, rainy, dry air, temperature difference between day and night, farmers should pay attention to do warm work. Fourth, prevention of diseases should be done well in advance for vaccine injection and prevention. The fifth is to do a good job of spring, spring and early hatching and brooding. We must handle the relationship between temperature, humidity, light and ventilation. Especially for poultry, we must control the light. Attention should be paid to the observation of the animal's estrus performance, to ensure the timely mating of the fetus, and to supplement the minerals and vitamins of the breeding animals before and after the breeding. Agaricus Blazei Extract,Matsutake Mushroom Extract,Tricholoma Matsutake,Agaricus Mushroom Extract Shaanxi Zhongyi Kangjian Biotechnology Co.,Ltd , https://www.zhongyibiology.com