Studies on Diseases caused by Isopods in relation to Bacterial Infection Among Some Wild Marine Fishes at Suez Canal Area

Document Type : Original Article

Authors

1 Dept. of Fish diseases and Management, Fac. of Vet. Medecine, Suez Canal Univ .

2 Animal Health Research Institute, Ismailia branch.

3 Dept. of Pathology, Fac. of Vet. Medecine, Suez Canal Univ.

Abstract

A total number 200 different marine fish species represented as 100 Elsarah  (Nemipterus  japonicus ) and 100 Mias (Pomatomus  saltatrix L.)  were collected seasonally from Suez and Ismailia provinces respectively . The infested marine fishes revealed no pathognomonic signs.They were investigated for detection of Isopoda parasites. It was revealed that 50% of the examined marine fishes was infested.The detected species were Irona nanodies from Nemipterus japonicus with a prevalence 60% , and Lironeca ovalis from Pomatomus saltatrix L with a prevalence 40%.The histopathological alterations were recorded and discussed.The secondary bacterial invasion was manifested by the isolation of Pseudomonas aeruginosa where it was experimentally infected into Tilapia zillii and reisolated again.

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