白牦牛繁育基地牧草病原性微生物污染状况调查研究

Investigating grazings pathogenic microorganisms pollutions of white yak propagation bases in Tianzhu County

目的:对甘肃省天祝藏族自治县白牦牛繁育基地牧草致病菌的污染状况调查分析。方法:采用GB/T4789-2003。结果:冬春季牧草39份,检出志贺菌、金黄色葡萄球菌,致病菌检出率为17.9%,夏秋季牧草41份,检出志贺菌、沙门菌、致病大肠埃希菌、金黄色葡萄球菌,致病菌检出率为48.8%。结论:白牦牛繁育基地夏秋季牧草中致病菌的污染较为严重,对白牦牛繁育构成一定危害。

Objective：To explore the pathological bacteria pollutions of white yak propagation bases in the Tianzhu County of Gansu province. Methods：Adopting the GB/T4789 -2003. Results：Detecting the ShigeUa and the Staphylococcus aureus during the 39 winters and springs grazings and the detectable rate is 17.9%. Detecting the ShigeUa,SalmoneUa and the Escherichia coli during the 41 summers and autumns grazings and the detectable rate is 48. 8%. Conclusion ：The pathological bacterial pollutions is more serious of white yak propagation bases in the summer and autumn grazings.