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Prevalence and Antimicrobial Susceptibility of Bacterial Organisms in Raw Fish of Pond and Retail Market

Prevalence and Antimicrobial Susceptibility of Bacterial Organisms in Raw Fish of Pond and Retail Market

Jameel-ur-Rehman1, Asghar Ali Kamboh1*, Ahmad Ali Moryani1, Riaz Ahmed Leghari1, Abdullah Sethar2, Ali Raza Nizamani3, Abdul Ahad Soomro3, Kanwar Kumar Malhi1 

1Faculty of Animal Husbandry and Veterinary Sciences, Sindh Agriculture University, 70060 Tandojam, Pakistan; 2Livestock and Fisheries Department, Government of Sindh, Hyderabad, Pakistan; 3Central Veterinary Diagnostic Laboratory, 70060 Tandojam, Pakistan.

*Correspondence | Asghar Ali Kamboh, University of Mosul /College of Veterinary Medicine/Department of Veterinary Public Health; Email: 


Current study aimed to explore the prevalence and antimicrobial susceptibility profile of bacterial organisms isolated from fish samples. A total of 120 fish samples were collected from fish retail market and ponds (60 from each source) comprising of three fish species i.e., Labeo rohita (LR; local name Rohu), Catla catla (CC; local name Thaila) and Cirrhinus mrigala (CM; local name Morakhi). The samples were processed for isolation of bacterial organisms using conventional culture method and isolates were tested for antimicrobial sensitivity according to CLSI method. According to results, the prevalence of bacterial organisms was high (p < 0.05) in CC than CM and LR. E.coli were the most common organism in market and pond fish samples with occurrence of 86.6% and 66.6% respectively. Next most prevalent pathogens were Salmonella spp. (78.3% & 58.3%), Shigella flexneri (61.6% & 53.3%), Pseudomonas flavescens (55% & 53.3%), Pseudomonas aeruginosa (40% & 35%), Staphylococcus aureus (33.3% & 25%), Streptococcus agalactiae (21.6% & 18.3%), Klebsiella pneumoniae (15% & 13.3%), Staphylococcus epidermidis (13.3% & 10%), Klebsiella oxytoca (10% & 8.3%), and Streptococcus pyogenes (6.6% & 1.6%) in market and pond fish samples respectively. According to antibiotic susceptibility tests, among 11 tested antimicrobials, S. agalactiae and S. pyogenes were found resistant to 9 antibiotics; followed by P. aeruginosa and P. flavescens 8; S. flexneri 7; K. oxytoca and S. epidermidis 6; and E.coli, Salmonella spp., K. pneumoniae and S. aureus 4 antibiotics. In conclusion, these results demonstrated that market fishes are more contaminated than pond fishes. The occurrence of bacterial organisms was highest in CC than CM and LR. Moreover, all bacterial isolates were recorded as multi drug resistant, they were found resistant to at least four antimicrobial agents. 

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Journal of Animal Health and Production


Vol. 11, Iss. 3, Pages 234-329


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