1. Effects of gastrointestinal nematode parasites on performance of feedlot cattle;Ames;J. Anim. Sci.,1969
2. Experimental Ostertagia ostertagi infections in calves: results of single infections with five graded doses of larvae;Anderson;Am. J. Vet. Res.,1966
3. Experimental infections of O. ostertagi in calves: results of two regimens of multiple inoculations;Anderson;Am. J. Vet. Res.,1967
4. Studies on the control of bovine ostertagiasis using a morantel sustained relee bolus;Armour;Vet. Rec.,1981
5. The effect of gastro-intestinal parasitism on intake in grazing calves;Bell,1987