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A., A., El-Lamie, M., El-Shishtawy, H. (2022). Prevalence of Crustacean Diseases in Cultured Marine Fishes in Suez Canal Area. Suez Canal Veterinary Medical Journal. SCVMJ, 27(2), 433-347. doi: 10.21608/scvmj.2022.281541
Ahmed H. A.; Maather M. El-Lamie; Hala M. El-Shishtawy. "Prevalence of Crustacean Diseases in Cultured Marine Fishes in Suez Canal Area". Suez Canal Veterinary Medical Journal. SCVMJ, 27, 2, 2022, 433-347. doi: 10.21608/scvmj.2022.281541
A., A., El-Lamie, M., El-Shishtawy, H. (2022). 'Prevalence of Crustacean Diseases in Cultured Marine Fishes in Suez Canal Area', Suez Canal Veterinary Medical Journal. SCVMJ, 27(2), pp. 433-347. doi: 10.21608/scvmj.2022.281541
A., A., El-Lamie, M., El-Shishtawy, H. Prevalence of Crustacean Diseases in Cultured Marine Fishes in Suez Canal Area. Suez Canal Veterinary Medical Journal. SCVMJ, 2022; 27(2): 433-347. doi: 10.21608/scvmj.2022.281541

Prevalence of Crustacean Diseases in Cultured Marine Fishes in Suez Canal Area

Article 17, Volume 27, Issue 2, December 2022, Page 433-347  XML PDF (1 MB)
Document Type: Original Article
DOI: 10.21608/scvmj.2022.281541
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Authors
Ahmed H. A.* 1; Maather M. El-Lamie2; Hala M. El-Shishtawy2
1Suez Canal Aquaculture Company
2Dept. of Fish diseases and Management, Fac. of Vet. Medicine, Suez Canal University
Abstract
The present study was designed to investigate crustacean diseases affecting cultured marine fishes "seabass (Dicentrarchus labrax), seabream (Sparus aurata) and Meagre (Argyrosomus regius)". They were randomly collected from 4 private polyculture fish farms in the Suez Canal area and Damietta Governorates from December 2020 to November 2021. All examined fishes showed no pathognomonic clinical signs. Infested fishes had hemorrhages at different parts of the body. Some S. aurata were emaciated with abdominal distention and marbling of gills. Infested D. labrax showed marbling and sloughing of gill filaments with excessive mucous secretion while A. regius showed bulging of operculum in isopod-infested cases. The isolated crustaceans were identified as Livoneca redmanii and Nerocila orbignyi isopods from A. regius and S. aurata, respectively, and Lernanthropus kroyeri and Caligus minimus copepods from D. labrax. The total prevalence of crustacean infestation was 22.10%. The highest infestation was recorded in D. labrax (54.40%) followed by S. aurata (7.40%) and the lowest was recorded in A.regius (4.40%). Caligus minimus recorded the highest prevalence (9.30%) while Livoneca redmanii had the lowest prevalence (1.44%).
Keywords
Cultured marine fish; Dicentrarchus labrax; Sparus aurata; Argyrosomus regius; crustacea; prevalence
Main Subjects
Fish Managements and diseases
Statistics
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