title: The influence of some physical characteristics of the milking machine on the rate of new mastitis infections.
mesh_terms: D000818:Animals; D002417:Cattle; D003612:Dairying / Q000295:instrumentation*; D004096:Dihydrostreptomycin Sulfate / Q000627:therapeutic use; D005260:Female; D008321:Mammary Glands, Animal / Q000382:microbiology; D008414:Mastitis, Bovine / Q000188:drug therapy / Q000453:epidemiology / Q000209:etiology* / Q000382:microbiology; D008892:Milk / Q000382:microbiology; D010402:Penicillin G Procaine / Q000627:therapeutic use; D013290:Streptococcal Infections / Q000662:veterinary; D013291:Streptococcus / Q000302:isolation & purification; D013292:Streptococcus agalactiae / Q000302:isolation & purification
chemical_list: D010402:Penicillin G Procaine; D004096:Dihydrostreptomycin Sulfate