Antipenicillinase in the serum of dairy cows [penicillin resistance, Staphylococcus aureus, bovine mastitis]
1980
Lie, Oe. | Solbu, H. (Norges Landbrukshoegskole, Aas. Dept. of Animal Genetics and Breeding)
Serum from dairy cows was tested for inhibitory effect on penicillinase from a pencillin-resistant Staphylococcus aureus strain of mastitic origin. Among cows with a subclinical mastitis caused by pencillin-resistant S. aureus there was a significantly higher frequency of individuals with penicillinase-inhibiting serum than among healthy cows. Among the subclinical cases, a foregoing penicillin treatment of clinical mastitis appeared to increase the serum antipenicillinase activity
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