The effect of a mastitis control system on levels of subclinical and clinical mastitis in two years.
D000818:Animals; D002417:Cattle; D003023:Cloxacillin / Q000627:therapeutic use*; D003612:Dairying; D005260:Female; D006920:Hygiene; D008414:Mastitis, Bovine / Q000188:drug therapy / Q000453:epidemiology / Q000517:prevention & control*; D010406:Penicillins / Q000627:therapeutic use
D010406:Penicillins; D003023:Cloxacillin