1986, Cilt 2, Sayı 1, Sayfa(lar) 091-101 | |
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Studies on the Penicillin- resistance with same enzyme characteristics and biochemicaı tests of Staph. aureus isolated from cows milk with mastitis | |
İ. Yavuz SEZEN1, Osman ERGANİŞ2, Mehmet ÇORLU3, Mehmet ATEŞ1 | |
1S. Ü. Vet. Fak. Bakteriyoloji Bilim Dalı- KONYA 2S. Ü. Vet. Fak. Bakteriyoloji Bilim Dalı- KONYA 3S. Ü. Vet. Fak. Bakteriyoloji Bilim Dalı- KONYA |
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Abstract | |
Nineteen strains of Staph. aureus isolated from cows
milk with mastitis were tested for their ability to produce coagulase,
phosphatase, catalase, B-lactamase, clumping factor, oxydation/fermentcı.
tion (O/F) and resistance of penicillin and ampicillin. All of the strains have produced B-lactamase and their resistance rates to penicillin and ampicillin were 94.9%, 47.9% respectively. Catalase, ı;ıhosphatase and 0/l<., producing rate of all Staph. aureus were positive 100%. The Coagulase tests found to be positive at the rate of 89.8% with rabbit plasma, 73.7% with cow plasma, 100% with mixture of rabbit-cow piasma. The rate of positive clumping factors was also found to be 89.8%, 94.9%, 100% with rabbit, cow and mix plasma, respectively. 73.7% of all strains have grown on Mannitol Salt Agar plates. 12 strains producedgolden cooured colonies. All of the 6 strains were intracutaneously inoculated to rabbits reduced necrosis. |
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