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Antibiogram of mastitis pathogens in the milk of crossbred cows in Namakkal district, Tamil Nadu

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Author(s): M. Jeykumar | G. Vinodkumar | Bimal P. Bashir | Sudhakar Krovvidi

Journal: Veterinary World
ISSN 0972-8988

Volume: 6;
Issue: 6.000;
Start page: 354;
Date: 2013;
Original page

Keywords: antibiogram | bacterial isolates | mastitic milk

ABSTRACT
Aim: The present study was undertaken to ascertain the prevalence and drug sensitivity pattern of causative agents of mastitis in and around Namakkal, Tamilnadu, India. Materials and Methods: A total of 74 milk samples were collected and bacterial isolates from 72 samples were obtained and subjected to in-vitro chemotherapeutic sensitivity test. Results: Out of 72 samples, 32 (44.44%) were found positive for Staphylococci species, 4 (5.5%) for Streptococci species, 30 (41.66%) for E.coli and 6 (8.33%) for Klebsiella species. The drug sensitivity test performed irrespective of isolates, revealed sensitivity of organisms to various antibiotics and none of the isolates were found to be sensitive to penicillin G. Conclusion: Enrofloxacin was found to be more effective antibiotic among all the tested antibiotics. [Vet World 2013; 6(6.000): 354-356]
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