Helminthiasis in calves. A comparison of infestations in animals grazing pasture at two levels of contamination.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000209:etiology* / Q000517:prevention & control; D006373:Helminthiasis / Q000517:prevention & control; D006374:Helminthiasis, Animal; D008297:Male