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目的:探讨以牛带绦虫六钩蚴悬液经静脉注射使小牛感染牛囊尾蚴方法的可重复性及相关注意事项。方法:分别以宿主刚排出和排出体外放置 2周后的孕节虫卵经人工肠液孵出六钩蚴 ,静脉注射于小牛 ,牛体感染 4个月后剖检。结果:在宿主体外发育 2周后的虫卵六钩蚴易使小牛感染牛囊尾蚴。结论 :经静脉接种六钩蚴使小牛感染牛囊尾蚴的方法可行 ,应选择发育成熟的虫卵进行孵化 ,即只有发育完全的六钩蚴才能在中间宿主体内发育为牛囊尾蚴
Objective: To investigate the repeatability and related precautions of calf infection of bovine cercariae by intravenous injection of suspension of six-stage metacercaria of tapeworm. Methods: After the host had just discharged and excreted in vitro for 2 weeks, the eggs of pregnant gland were hatched by the artificial intestinal juice. After being injected intravenously into the calves, the animals were necropsied for 4 months. RESULTS: Echinococcus inoculae developed in vitro two weeks after the host invaded bovine cysticercus easily. CONCLUSION: The method of intravenous inoculation of C. albicans to calf cysticercus is feasible. The mature ovum should be selected for hatching, that is, only fully developed C. lactea can develop into bovine cysticercus in the intermediate host