| In order to discover the main reason of alopecia in goats in Ordos in Inner Mongolia, and to establish the treatment method, the epidemiology of alopecia in goat was investigated in the experiment. The level of mineral matter and biochemical indices in soil and pasture (from the epidemic area of the disease), serum and wool (from goats in Ordos) were determined and analyzed. The result showed that:1. The alopecia in goats were mainly appeared seasonally. Pica and diarrhea usually showed in the serious case. The incidence rate of this disease was 11%～30%, and the its tendency was increased annually. The disease occurs mainly in pregnant and lactating goats, but no incidence in ram and lambs. No parasite and dermatophyte was discovered in laboratory examination.2. The content of mineral elements in goats and soil and composite feed from epidemic area in Inner Mongolia were detected and analyzed. The result showed that the mineral elements S, Cu, Zn, Se were low in the entironment where the disease distributed in, but the Mg and Mn were in a normal level.3. The occur of alopecia in goat has a high relevance to metabolic disorder of mineral elements and the main reason was lack of Cu, Zn and Se.4. The treatment result showed that the sustained release pellet of mineral was significantly better than the feed which was added appropriate S and the cure rate of these 2 methods was 93.3:25. The content of Cu, Zn, Se, TP, ALB, AKP, T-SOD, CuZn-SOD, GSH-Px reach the highest level in the serum of goats after 60 days the sustained release pellets were used, and the datas were still maintained a normal level after 180 days which indicated the validity was more than 6 months.
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