Milk production by Vermont dairy cattle after deworming. (Two dewormings during the first 90 days of lactation).
D000818:Animals; D002417:Cattle / Q000502:physiology*; D002418:Cattle Diseases / Q000188:drug therapy*; D005260:Female; D006373:Helminthiasis / Q000188:drug therapy; D006374:Helminthiasis, Animal; D007774:Lactation; D011247:Pregnancy; D014707:Vermont