The incidence of sub-clinical facial eczema in selected Waikato dairy herds.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D003612:Dairying; D004485:Eczema / Q000453:epidemiology / Q000662:veterinary*; D005148:Facial Dermatoses / Q000453:epidemiology / Q000662:veterinary*; D005260:Female; D009520:New Zealand