Canale A, Valente M E, Dotta U, Balbo T
Folia Vet Lat. 1977 Jan-Mar;7(1):82-90.
The experimental infection of calves with 250,000 L larvae of Ostertagia ostertagi per animal did not produce great variations in the digestibility of the diet administered. The infection retarded normal growth the resulted in an unfavourable conversion index.
每头小牛用250,000条奥斯特他线虫L期幼虫进行实验性感染，并未使所投喂日粮的消化率产生很大变化。感染阻碍了正常生长，导致转化指数不利。
