MOLECULAR IDENTIFICATION AND ANTIBIOGRAM PROFILES OF ESCHERICHIA COLI ISOLATED FROM APPARENTLY HEALTHY AND DIARRHEIC GOATS

Authors

  • F. Begum
  • M. M. Islam
  • M. Sohidullah
  • S. M. L. Kabir
  • M. Islam
  • M. T. Rahman

DOI:

https://doi.org/10.3329/bjvm.v14i2.31397

Abstract

The present study was designed for the cultural, biochemical characterization and molecular detection of E. coli from apparently healthy and diarrheic goats in and around BAU campus including their antibiogram study. A total of 50 fecal samples were collected among which 13 originated from diarrheic goat and 37 from apparently healthy goats. Out of 50 samples, 35 were found positive for E. coli i.e., overall 70% occurrence. Occurrences of E. coli from diarrheic and apparently healthy goats were 92% and 62% respectively. Occurrences were 60%, 80% and 70% in case of BAU Goat Farm, Veterinary Teaching Hospital and Boyra respectively. On age basis 93%, 54%, 66% and 54% samples originated from 6 months, 7-12 months, 13-18 months and 19 months aged goats were found positive respectively. Occurrences of E. coli on the basis of sex were 78% for male and 62% for female. In case of breed, the occurrences were 69% in Black Bengal and 100% in for Jamunapari. Molecular detection was done by PCR and 13 out of 20 isolates tested gave the bands at the 585 bp specific for E. coli 16S rRNA gene. All the isolates (100%) were found sensitive to ciprofloxacin and norfloxacin; 100% and 35% were intermediately resistant to tetracycline and gentamicin respectively and 25% isolates were resistant to streptomycin. Ciprofloxacin and norfloxacin were found to be the best choice of antibiotics for the treatment of colibacillosis in goats in the study area.

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Published

2017-02-03

Issue

Section

Ruminant Medicine