Abstract
The infection of young sheep with 1500 infective larvae of the parasitic nematode Oesophagostomurn columbianum was associated with loss of weight of degree and duration varying with the plane of nutrition. Greater losses of weight were observed in sheep maintained on a low protein ration of chaffed wheaten straw and molasses than in those on a high protein ration of chaffed lucerne. A similar situation was observed with all the other parameters which were measured. Furthermore, within the low plane group those animals which were infected with five consecutive daily doses of 300 larvae were more severely affected in terms of all the parameters than were those infected with a single dose of 1500 larvae. Loss of weight was associated with marked reductions in the feed intake of the animals following infection. The utilization of feed expressed as kilograms of body weight gained or lost per unit of either total feed or crude protein consumed was more severely depressed in all infected sheep compared with their "pair-fed" controls. The water, sodium, and potassium contents of the faeces increased in association with the infection.
Subject
General Agricultural and Biological Sciences
Cited by
14 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献