[Study of the germs of mastitis in 1967].
D000818:Animals; D001431:Bacteriological Techniques; D002417:Cattle; D004927:Escherichia coli Infections / Q000662:veterinary*; D008414:Mastitis, Bovine / Q000175:diagnosis / Q000382:microbiology*; D013203:Staphylococcal Infections / Q000662:veterinary*; D013290:Streptococcal Infections / Q000662:veterinary*
Enquête sur les germes de mammites en 1967.