الفهرس 
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Abstract
This study was planned for detection of some food poisoning bacteria in fish fillet in Alexandria province.
A total of 50 random samples of fish fillets represented by local fresh fish fillets and imported frozen fish fillets (25 of each) were collected from different supermarkets at Alexandria governorate. The samples were placed separately in disposable sterile plastic bags and transferred in an insulted ice box to the laboratory under complete aseptic conditions without any delay. All collected samples were subjected to microbiological examination.
Our results concluded that:-
1-Our results on the total aerobic bacterial counts cleared that, The higher incidences of Total aerobic bacterial counts observed in 22 (88 %) of the examined samples of imported fish, while, in local fish fillets samples observed in 15 (60 %) of the examined fish samples.
While, the level of the total bacterial counts in local fish fillets showed a higher counts 8.81 X 104 and in the imported fish showed a lower total anaerobic bacterial counts as it reached to 7.70 X 104.
2-Our results on the enterobacteriacae cleared that, the higher incidences of Total enterobacteriacae counts observed in 20 (80 %) of the examined samples of imported fish, while, in local fish fillets samples observed in 14 (56 %) of the examined fish samples.
While, the level of the enterobacteriacae counts in imported fish fillets showed higher counts 3 X 104 and in the local fish showed a lower enterobacteriacae counts as it reached to 2.54 X 104.
3-Our results on the total Coliforms counts cleared that, the higher incidences of Total coliform counts observed in 18 (72 %) of the examined samples of local fish fillets, while, in Imported fish fillets samples observed in 15 (60 %) of the examined fish samples.
While, the level of the coliform counts in local fish fillets showed a higher counts of 9.28 X 104 and in the imported fish fillets fish showed a lower coliform counts it reached to 6.80 X 104.
4-While, our results on the Vibrio Spp cleared that, the higher incidences of Vibrio Spp. observed in local fillets 7 (28 %) of the examined samples of local fish fillets, while, in Imported fish fillets samples observed in 4 (16 %) of the examined fish samples.
5-While, our results on the Shigella cleared that, the higher incidences of Shigella Spp. observed in local fillets 11 (44 %) of the examined samples of local fish fillets, while, in Imported fish fillets samples observed in 5 (20 %) of the examined fish samples.
6-While, our results on the Aeromonas hydrophila reported that, the higher incidences of Aeromonas hydrophila observed in local fillets 11 (44 %) of the examined samples of local fish fillets, while, in Imported fish fillets samples observed in 8 (32 %) of the examined fish samples.