E-ISSN 2536-9520 | ISSN 1110-2047
 

Original Article 


Enteropathogens in freshwater fish retailed for sale in Kafr El-Sheikh Province

Yosra M.A. El Far, Ibrahim A. Samaha, Mohammad A. Nossair.

Abstract
A total of 200 samples of fresh water fish including; Oreochromis niloticus (Nile Tilapia), Mugil cephalus, Clarias lazera (catfish) and Bagrus bajad (50 of each) were randomly collected from different markets in Kafr El Sheikh Province. Samples were subjected to microbiological evaluation including, Enterobacteriaceae (EC) and coliform (CC) counts then isolation and identification of some enteropathogens including E. coli, Salmonella and Shigella were attempted. Firstly, organoleptic examination of the collected samples revealed apparently normal fish. It was found that the mean values of EC for Oreochromis niloticus, Mugil cephalus, Claries lazera and Bagrus bajad were 3.50103 0.24103, 3.68103 0.42103, 2.45104 1.96 103 and 2.83103 0.17103 CFU/g, respectively. In addition, it was recorded that mean values of CC for Oreochromis niloticus, Mugil cephalus, Claries lazera and Bagrus bajad were 1.77103 0.15103, 2.0103 0.32103, 1.45104 3.29103 and 1.1103 to 4.00103 CFU/g, respectively. It was clear that the mean values of EC and CC of Claries lazera samples scored the highest counts among the investigated species. Moreover, it was observed that all of the examined samples had coliforms count exceed the permissible limits recommended by EOS. On the other side, detection of enteropathogens revealed that the overall incidence of E. coli was 17% and the highest incidence was observed in Oreochromis niloticus (24%) followed by Claries lazera (22%) then Bagrus bajad (12%) and lastly, Mugil cephalus (10%). Also, the overall incidence of Salmonella was 16.5 % and the highest incidence was observed in Claries lazera (24%) followed by Oreochromis niloticus (16%) then Mugil cephalus (14%) and lastly, Bagrus bajad (12%). Finally, the overall incidence of Shigella was 12.5 % and the highest incidence of Shigella was observed in Oreochromis niloticus (16%) followed by Bagrus bajad (14%) then Claries lazera (12%) and lastly, Mugil cephalus (8%). From the results of the present study, it was cleared that most of freshwater fish samples showed contamination with enteropathogens indicating bad sanitary conditions under which fish were exposed from rearing, catching till reach the markets, resulting in both public health hazards and economic losses. Moreover, catfish appeared more contaminated with investigated bacteria reflecting the sanitary condition of the environment where they reared

Key words: freshwater, fish, enteropathogens, counting, isolation


 
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How to Cite this Article
Pubmed Style

Far YME, Samaha IA, Nossair MA. Enteropathogens in freshwater fish retailed for sale in Kafr El-Sheikh Province. AJVS. 2021; 71(1): 95-101. doi:10.5455/ajvs.117810


Web Style

Far YME, Samaha IA, Nossair MA. Enteropathogens in freshwater fish retailed for sale in Kafr El-Sheikh Province. http://www.alexjvs.com/?mno=117810 [Access: November 18, 2021]. doi:10.5455/ajvs.117810


AMA (American Medical Association) Style

Far YME, Samaha IA, Nossair MA. Enteropathogens in freshwater fish retailed for sale in Kafr El-Sheikh Province. AJVS. 2021; 71(1): 95-101. doi:10.5455/ajvs.117810



Vancouver/ICMJE Style

Far YME, Samaha IA, Nossair MA. Enteropathogens in freshwater fish retailed for sale in Kafr El-Sheikh Province. AJVS. (2021), [cited November 18, 2021]; 71(1): 95-101. doi:10.5455/ajvs.117810



Harvard Style

Far, Y. M. E., Samaha, . I. A. & Nossair, . M. A. (2021) Enteropathogens in freshwater fish retailed for sale in Kafr El-Sheikh Province. AJVS, 71 (1), 95-101. doi:10.5455/ajvs.117810



Turabian Style

Far, Yosra M.A. El, Ibrahim A. Samaha, and Mohammad A. Nossair. 2021. Enteropathogens in freshwater fish retailed for sale in Kafr El-Sheikh Province. Alexandria Journal of Veterinary Sciences, 71 (1), 95-101. doi:10.5455/ajvs.117810



Chicago Style

Far, Yosra M.A. El, Ibrahim A. Samaha, and Mohammad A. Nossair. "Enteropathogens in freshwater fish retailed for sale in Kafr El-Sheikh Province." Alexandria Journal of Veterinary Sciences 71 (2021), 95-101. doi:10.5455/ajvs.117810



MLA (The Modern Language Association) Style

Far, Yosra M.A. El, Ibrahim A. Samaha, and Mohammad A. Nossair. "Enteropathogens in freshwater fish retailed for sale in Kafr El-Sheikh Province." Alexandria Journal of Veterinary Sciences 71.1 (2021), 95-101. Print. doi:10.5455/ajvs.117810



APA (American Psychological Association) Style

Far, Y. M. E., Samaha, . I. A. & Nossair, . M. A. (2021) Enteropathogens in freshwater fish retailed for sale in Kafr El-Sheikh Province. Alexandria Journal of Veterinary Sciences, 71 (1), 95-101. doi:10.5455/ajvs.117810





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