【摘要】 为掌握牛皮蝇蛆病在甘肃地区的流行动态,2003~2005年在甘肃省玛曲县、天祝县、平凉市崆峒区的3个屠宰场剖检1827头牛。结果发现,这3个县(区)均有牛皮蝇蛆病的感染,其中,玛曲县、平凉市崆峒区的皮蝇2期幼虫在牛食管的寄生率以10月份为最高,分别为48.5%和7.8%。表明,药物防治的最佳时间为10月份。更多还原

【Abstract】 To survey the prevalence of bovine hypodermosis in Gansu Province,totally 1827 cattle and yaks from three slaughterhouses of Maqu,Tianzhu and Kongtong counties were examined at random from 2003 to 2005.The results showed that bovine hypodermosis was prevalent in the three counties.The parasitism rates of the second instar larval in the esophagus reached 48.5% and 7.8% on October in Maqu and Kongtong counties,respectively.So the optimal time for the drug control of bovine hypodermosis should be on October.更多还原