Abstract

The present study was carried out to detect mastitis in cattle milk samples and sensitive antibiotics for therapeutic uses. Milk samples from cattle (n = 1649) were tested for detection of mastitis by white side test (n = 1314) and culture examination (n = 335). Overall, 79.8% and 96.72% milk samples were positive by white side test and culture examination, respectively. Clinical mastitis and sub clinical mastitis were detected in 16.55% and 83.44% samples, respectively on the basis of presence of any clinical signs in milk or udder of animal. Gram-positive and gramnegative organisms were detected in 99.38% and 45.34% of the samples, respectively. Mixed infection of both was detected in 38.88% samples. More than 74% of both gram-positive and gram-negative isolates were found sensitiveagainst enrofloxacin and chloramphenicol followed by amikacin (69.44%), gentamicin (68.73%), moxifloxacin (67.87%) and levofloxacin (61.73%). Organisms were detected as multidrug resistant (MDR) organisms depending upon their MAR index value.

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