Brucella milk ring tests on churn samples: a three-year study.
D000818:Animals; D000906:Antibodies / Q000032:analysis; D001428:Bacterial Vaccines; D002003:Brucella abortus / Q000302:isolation & purification*; D002007:Brucellosis, Bovine / Q000175:diagnosis; D002417:Cattle; D005260:Female; D008722:Methods; D008892:Milk / Q000276:immunology / Q000382:microbiology*; D009660:Northern Ireland; D012621:Seasons; D013997:Time Factors
D000906:Antibodies; D001428:Bacterial Vaccines