【摘要】 在齐齐哈尔市龙江县、富裕县、泰来县的3个肉牛饲养场随机选取改良成年肉牛52头,用蠕虫学剖检法进行寄生性蠕虫区系调查。结果,在牛体内共检获各类寄生性蠕虫13种,隶属于2门、3纲、10科、12属,其中以捻转血矛线虫、牛仰口线虫、前后盘吸虫、食道口线虫、肝片形吸虫、毛圆线虫和莫尼茨绦虫的感染率和感染强度高,分布广,为齐齐哈尔市牛寄生虫的优势虫种。更多还原

【Abstract】 To find species of parasitic helminthes of cattle in Qiqihar Region,the fauna investigation was carried out by faecal flotation and helminthological method.A total of 13 species of parasitic helminthes were found in cattle,belonging to 2 phyla,3 classes,10 families and 12 genera.Haemonchus contortus,Bunostomum phlebotomum,Paramphistomum sp.,Oesophagostomum sp.,Fasciola hepatica,Trichostrongylus sp.and Moniezia sp.were the most common species.更多还原