National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Escherichia coli is one of the most commonly infecting bacterial etiology of the Bovine mastitis. The coliform mastitis is the most difficult type to treat due to increase in antibiotic resistance and generally cause recurrent and chronic form of mastitis. Therefore this present study was done to determine the prevalence rate of E. coli from the bovine mastitis milk and its antibiogram status. 250 mastitis milk samples were collected from the bovines. 27.2% (n= 68) E. coli isolates were identified in the samples. The isolated E. coli also showed biofilm forming ability in 51 isolates using Congo red agar method. Gentamicin is most sensitive drugs against E. coli isolates whereas ampicillin and tetracycline showed highest resistance. For the biofilm forming isolates, gentamicin is most effective whereas ampicillin followed by tetracycline and ofloxacin showed higher ineffectiveness. It was evident that the sessile form of E. coli isolates are more resistant to antibiotics compared to their planktonic forms. The multidrug resistance in E. coli isolates was also reported.
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