Coliform mastitis.
D000818:Animals; D002417:Cattle; D003612:Dairying / Q000379:methods; D004756:Enterobacteriaceae Infections / Q000453:epidemiology / Q000635:transmission / Q000662:veterinary*; D005260:Female; D006799:Housing, Animal; D007774:Lactation; D008414:Mastitis, Bovine / Q000453:epidemiology / Q000209:etiology* / Q000635:transmission; D011247:Pregnancy; D013997:Time Factors