The sequential development of naturally occurring ostertagiasis in calves.
D000818:Animals; D001835:Body Weight; D002417:Cattle; D002418:Cattle Diseases; D003967:Diarrhea / Q000209:etiology; D008297:Male; D012621:Seasons; D014251:Trichostrongyloidea / Q000254:growth & development / Q000302:isolation & purification; D014252:Trichostrongyloidiasis / Q000662:veterinary*