title: Studies on the bacterial flora of the udder of goats. II. Streptococci and gram-negative rods.
mesh_terms: D000818:Animals; D005260:Female; D006041:Goats; D006168:Guinea Pigs; D008321:Mammary Glands, Animal / Q000382:microbiology*; D008413:Mastitis / Q000662:veterinary*; D008892:Milk / Q000382:microbiology*; D011247:Pregnancy