Year: 2020 | Month: April | Volume 10 | Issue 2
Detection of Extended-Spectrum Beta-Lactamase-Producing Enterobacteriaceae in Desi Chickens in Andhra Pradesh
DOI:10.30954/2277-940X.02.2020.5
Abstract:
A total of 150 cloacal swabs were collected from desi chickens, 217 Enterobacteriaceae isolates were identified. The phenotypic antimicrobial resistance among Enterobacteriaceae was studied for 14 selected antibiotics by disc diffusion method. The selection of antibiotics was based on usage of antibiotics in commercial poultry farms and also based on priority of critically important antibiotics in humans. All Enterobacteriaceae isolates were subjected to multiplex PCR - I and II for detection of blaTEM, blaSHV and blaOXA genes and blaCTX-M, group 1 and 2 genes. Predominant β- Lactamase genes in gut microbiota of desi chicken include blaTEM (90.55%) followed by blaCTX-M group I (25.86%) and blaSHV (9.44%) genes. All the samples were found to be negative for blaOXA and blaCTX-M group 2 genes.
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