389/19 | General Article | Bovine

Antibiogram Studies Against Bovine Subclinical Mastitis in and Around Chennai

Gopalakrishnan, T. Ramasamy, C.S.Arunaman, K.S. Sriraam, D. Sumathi, M. Ranjithkumar and M.G.Jayathangaraj

Department of Veterinary Clinical Medicine, Clinics, Veterinary Pharmacology and Toxicology, Madras Veterinary College, TANUVAS, Chennai-600 007.

Published in the Indian Veterinary Journal June 2020: 97 (6) - pages 18 to 20
(Received: January, 2019, Accepted: February, 2020)


The aim of this study was to investigate the antimicrobial sensitivity patterns of commonly used antibiotics against bovine subclinical mastitis in and around Chennai. A total of 105 milk samples were screened, out of that 30 milk samples were showed positive for subclinical mastitis. Subclinical mastitis was diagnosed by California Mastitis Test (CMT). The in vitro antibiogram studies of the mixed culture of organisms from mastitis milk revealed clindamycin to be most effective drug (66.67%) followed by Ceftriaxone, Chloramphenicol (56.67%) and enrofloxacin (50%). Other antibiotics were showed less than 50% sensitivity against organisms from mastitis milk

Key Words: Antibiogram; Mastitis; Antibiotics; In vitro

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