title: Genetic and environmental aspects of udder infections.
mesh_terms: D000367:Age Factors; D000818:Animals; D001424:Bacterial Infections / Q000235:genetics / Q000662:veterinary*; D002417:Cattle; D005260:Female; D007774:Lactation; D008414:Mastitis, Bovine / Q000453:epidemiology* / Q000235:genetics; D009518:New York; D011247:Pregnancy; D012621:Seasons; D013203:Staphylococcal Infections / Q000235:genetics / Q000662:veterinary; D013290:Streptococcal Infections / Q000235:genetics / Q000662:veterinary; D013292:Streptococcus agalactiae