耕牛巨盘腹袋吸虫感染情况调查

Investigation of Gastrothylax magnadiscus infection in farm cattle

对贵州省３８个县６３３个乡（镇）的１１２１头耕牛（黄牛３６６头，水牛７５５头）用蠕虫学局部剖检法在其中４５头牛的瘤胃内检出巨盘腹袋吸虫（Ｇａｓｔｒｏｔｈｙｌａｘｍａｇｎａｄｉｓｃｕｓｓｐ．ｎｏｖ．），总感染率为４．０１％，在不同性别的黄牛、水牛无显著差异，而与年龄呈正相关。该吸虫的感染有明显的季节性和地域性，主要分布于潮湿低洼地区。另剖检７６８只山羊和９１只绵羊。

farm cattle(366 cattle and 755 buffalos)from the 633 villages(towns),38 counties of Guizhou Province,were examined for parasites,out of which G.magnadiscus sp.nov were got from the invesgated 45 animals rumens by means of a local dissection method of helminthology,being the infection rate 4.01%.And the infection rates of the examined male and female animals arent obviously different and are positively correlated with the ages of the animals.The pasatise caused infection showed a clear season feature and are distributed in moist and low areas.