Grønvold J
Acta Vet Scand. 1987;28(3-4):459-61. doi: 10.1186/BF03548617.
Ostertagia ostertagi is an important tricho-strongyle nematode parasite of cattle in several countries, including Denmark. It leaves its host as eggs with faeces. After hatching it develops in the cow pat up to the third and infective stage, which is then transmitted to the surrounding grass.
奥斯特他加线虫是包括丹麦在内的几个国家牛的一种重要的毛圆科线虫寄生虫。它随粪便以虫卵形式离开宿主。孵化后,它在牛粪中发育到第三期即感染性阶段,然后传播到周围的草地上。