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Subject: Agricultural Microbiology ×

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    ThesisItemOpen Access
    DETECTION OF ANTIMICROBIAL RESISTANCE IN Staphylococcus aureus ASSOCIATED WITH BOVINE MASTITIS
    (KARNATAKA VETERINARY, ANIMAL AND FISHERIES SCIENCES UNIVERSITY, BIDAR, 2019-10) BHARGAVA TEJA, S.; Dr. RATHNAMMA, D.
    Milk samples from 1504 households from 20 villages were screened for SCM by CMT. Out of which 150 samples (30.75%) of 114 households with 488 animals were positive for SCM. Of 150 milk samples 22.66 %, 46 %, and 31.33% had 10 - 20, 20–40 and above 40 lakh SCC/ ml respectively. Eighty-three bacterial isolates with 36 S. aureus, 41 NAS and six Enterococcus spp were isolated. Five of the S. aureus and four of NAS isolates were CoNS. Antibiogram of S. aureus isolates revealed 100 % resistance to Penicillin, Cefoxitin, Oxacillin, Enrofloxacin, Kanamycin and Rifampicin, followed by 61- 97 % resistance to other antimicrobials. Antibiogram of NAS revealed 100% resistance to Penicillin, Cefoxitin and Oxacillin followed by 73 – 98 % resistance to other antimicrobials. Antibiogram of Enterococcus spp. showed higher sensitivity to Streptomycin followed by Tobramycin, Doxycycline, Tetracycline, Gentamicin, Rifampicin and Vancomycin and high resistance to Penicillin, Cefoxitin, Oxacillin and Enrofloxacin, Upon screenin