Borgsteede F H, Hendriks J
Tijdschr Diergeneeskd. 1978 Apr 15;103(8):417-21.
Three groups of four calves were raised parasite-free. Each group received a different diet. At the moment of infection one group was fed with milk equivalent artificially dried grass, and concentrates, the second with water, grass pellets (16 mm), and concentrates, while the third was fed with water, artificially dried grass, and concentrates. Each animal was infected at an age of 8 weeks with 10,000 larvae of Ostertagia ostertagi and necropsied 28 days later, No significant differences between the groups were observed with regard to the number of worms post-mortem, length of worms, number of eggs per female, or gain of weight of the calves.
三组，每组四头小牛在无寄生虫的环境中饲养。每组接受不同的饮食。在感染时，一组喂食相当于人工干草的牛奶和精饲料，第二组喂食水、草颗粒（16毫米）和精饲料，而第三组喂食水、人工干草和精饲料。每头动物在8周龄时感染10000条奥斯特他线虫幼虫，并在28天后进行尸检。在死后蠕虫数量、蠕虫长度、每头雌虫的虫卵数量或小牛体重增加方面，各组之间未观察到显著差异。
