Tuberculin testing in relation to the national dairy herd.
D000818:Animals; D035843:Biomedical Research; D002417:Cattle; D014373:Tuberculin; D014374:Tuberculin Test; D014376:Tuberculosis; D014380:Tuberculosis, Bovine / Q000517:prevention & control*
D014373:Tuberculin
TUBERCULIN; TUBERCULOSIS, BOVINE/prevention and control