DURATION OF THE ACQUIRED RESISTANCE OF CALVES TO INFECTION WITH DICTYOCAULUS VIVIPARUS.
D000486:Allergy and Immunology; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases; D004021:Dictyocaulus; D008681:Metastrongyloidea; D009349:Nematode Infections; D014611:Vaccination
CATTLE DISEASES; IMMUNOLOGY; METASTRONGYLOIDEA; NEMATODE INFECTIONS; VACCINATION