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 |
The Asian catfish, Clarias batrachus of the family claridae, commonly known as ‘magur’ has high commercial importance in India. Aeromonas veronii has been reported as an important bacterial pathogen for aquatic animals and humans. Several reports have demonstrated the pathogenic effect of other Aeromonas species on aquatic animal; however in farmed C. batrachus no definitive data are available about A. veronii infection. In the present study, a virulent A. veronii strain BLB-01was isolated from the infected C. batrachus collected from freshwater fish farm Balabhadrapuram, East Godavari district, Andhra Pradesh, India and its identification was confirmed by 16S rRNA amplification and sequencing (Gen Bank accession number.MF370515). In addition two genes encoding aerolysin (aerA), haemolysin (hlyA) were found present in the isolate which further confirmed its potential virulence. Histologically, the infected muscle tissue showed erythrocyte and leukocyte infiltration due to bacterial infection. In vitro antimicrobial susceptibility test was also conducted by using effective antibiotic drugs to guide the treatment of the disease.
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