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Antibiotic susceptibility and molecular identification of antibiotic resistance genes of staphylococci isolated from bovine mastitis in centre region of Algeria
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Veterinary Science & Technology

ISSN: 2157-7579

Open Access

Antibiotic susceptibility and molecular identification of antibiotic resistance genes of staphylococci isolated from bovine mastitis in centre region of Algeria


3rd International Veterinary Congress

August 18-20, 2016 London, UK

Saidi Radhwane, Cantekin Zafer, Khelef Djamel, Ergun Yasar, Kaidi Rachid and Solmaz Hasan

University Saad Dahleb, Algeria
Mustafa Kemal University, Turkey
Higher National Veterinary School, Algeria
Mustafa Kemal University, Turkey
Yuzuncu Y├?┬▒l University, Turkey

Posters & Accepted Abstracts: J Vet Sci Technol

Abstract :

The study was carried out to investigate the phenotypic and genotypic identification of in vitro antimicrobial susceptibility of 21 Staphylococci (10 Staphylococcus aureus and 11 Coagulase Negative Staphylococci) isolated from bovine mastitis to 12 antimicrobial drugs frequently using in veterinary medicine in Algeria. Isolates of staphylococci from bovine mastitis were tested for antibiotics with disc-diffusion method according to the National Committee for Clinical Laboratory Standards guidelines in the Mueller-Hinton agar and resistant genes mecA, blaZ, aac-aph, ermA, ermC, tetK and tetM were detected by PCR. Staphylococci isolates showed high resistance to penicillin (95.23%), oxacillin (80.95%), clindamycine (80.95%) and erythromycin (76.19%) but no resistance of all these strains was detected for gentamicin. Among 21 isolates of Staphylococci, 20 were found to be methicillin and multidrug resistant. Multidrug resistant strains exhibited several antibiogram patterns (antibiotic I to XIII). The distribution of antibiotic-resistant genes was mecA (100%), tetM (100) followed by blaZ (42.85%). In the present work, the significant determination was the high prevalence of methicillin-resistant Staphylococci, which were resistant to multiple antibiotics. The finding of methicillinresistant staphylococci (MRS) from bovine mastitis is the first report in Algeria and revealed the status of resistant isolates in herd that might be helpful in treatment, controlling of resistant strains and for deciding culling of cows.

Biography :

Email: saidi.radhwane@yahoo.fr

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