title: FIELD AND EXPERIMENTAL INFECTIONS OF CALVES WITH THE NEMATODE PARASITE, OSTERTAGIA OSTERTAGI.
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases; D010028:Ostertagia; D010271:Parasites; D010336:Pathology; D012106:Research; D014252:Trichostrongyloidiasis
keywords: CATTLE DISEASES; EXPERIMENTAL LAB STUDY; PATHOLOGY; TRICHOSTRONGYLOIDIASIS