[Practical problems concerning the control of pathogenic bacteria of the udder].
D000818:Animals; D002417:Cattle; D005260:Female; D008414:Mastitis, Bovine / Q000175:diagnosis / Q000382:microbiology / Q000517:prevention & control*; D008892:Milk / Q000382:microbiology; D013557:Switzerland
Lesproblèmes pratiques concernant la lutte contre les germes pathogènes de la mamelle.