Immunity to Dictyocaulus viviparus in calves. II. Vaccination with normal larvae or larvae attenuated by triethylene melanime (TEM) or x-irradiation and exposure to experimental challenge.
D000818:Animals; D001835:Body Weight; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D004022:Dictyocaulus Infections / Q000517:prevention & control*