Cattlemen's Day, 1985; Kansas Agricultural Experiment Station contribution; no. 85-319-S; Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 470; Beef; Fenbendazole; Performance; Fecal eggs


A field trial was conducted with 80 cow-calf pairs to evaluate the effect of deworming both cows and calves with fenbendazole, on cattle performance and internal parasite burden. Midseason and weaning weights of calves in the fenbendazole-treated group averaged 22.4 and 33.5 lb heavier (P<.04), respectively, than controls. Cow and calf fecal egg counts were low throughout the grazing season and were not materially affected by treatment.

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