title: Summer mastitis.
mesh_terms: D000818:Animals; D001424:Bacterial Infections / Q000453:epidemiology / Q000517:prevention & control / Q000662:veterinary*; D002417:Cattle; D005060:Europe; D005260:Female; D008414:Mastitis, Bovine / Q000453:epidemiology / Q000209:etiology / Q000517:prevention & control*; D011247:Pregnancy; D012621:Seasons