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A comparative study on fish infection with Diplostomum spathaseum in sefid-rud river and Heshmat-rud River Guilan Province, Astaneyeh Ashrafiyeh

Publish Year: 1387
Type: Conference paper
Language: English
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ICAAHMD01_243

Index date: 6 January 2009

A comparative study on fish infection with Diplostomum spathaseum in sefid-rud river and Heshmat-rud River Guilan Province, Astaneyeh Ashrafiyeh abstract

Objective: A present survey has been done on eye parasite infection, Diplostomum spathaseum in two different river locations: Sefid-rud River and Heshmat-rud River in Cyprinus carpio during 2007-2008. Method & Materials: This investigation was carried out on Cyprinus carpio in Sefid-rud River and Heshmat-rud River. 95 fish (50 males and 45 females) were collected from Sefid-rud River, and 60 fish (35 males and 25 females) from Heshmat-rud River. Fish were studied in the laboratory, and parasites were identified according toavailable identification keys (Moravec, 1994). Statistical analyse were performed using SPSS.10.0.5, Excel package and used a nonparametric Kruskal-Wallis and X2 tests. Results & Conclusion: Prevalence rate and mean intensity ± standard deviation were calculated and according to the results, it was revealed that the prevalence and intensity of this parasite in Heshmat-rud River was significantly higher than those in Sefid-rud River (p<0.01). The prevalence and intensity of this parasite in females were higher than those in males and a direct relation was found between the number of parasites and size of fish (p<0.05). So according to this study, there was reciprocal connection with the infection and pollution rate of fish, sexuality and seasons..

A comparative study on fish infection with Diplostomum spathaseum in sefid-rud river and Heshmat-rud River Guilan Province, Astaneyeh Ashrafiyeh Keywords:

A comparative study on fish infection with Diplostomum spathaseum in sefid-rud river and Heshmat-rud River Guilan Province, Astaneyeh Ashrafiyeh authors

S Shafiei Sabet

Golestan, Gorgan Natural Resources University, Fisheries Department.

B Aminian Fatideh

Guilan, Fishing Technology Department, Mirza Kochak Vocation & Higher Education Center for Fisheries Sciences and Technology.

M Rahanandeh

Guilan, Fishing Technology Department, Mirza Kochak Vocation & Higher Education Center for Fisheries Sciences and Technology.