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  • Freshwater  (3)
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  • 1
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    Occurrence and intensity of parasites in pike (Esox lucius) in River of Chamkhaleh (2018)
    Details
    Publication Date: 2021-05-19
    Description: ABSTRACT (UNDETERMINED) Pike (Esox lucius) of Chamkhaleh River in Langrood (Iran) was studied from winter 2003 to autumn 2004. We collected 123 specimens of the fish and sent them live to the lab for examinations. Biometrical measurements, age and sex determination were conducted on the samples. The eye, skin, gill, digestive system, muscle and other organs of the specimens were examined for parasite infestation. Seven parasites: Raphidascaris acus, Camallanus lacustris, Diplostomum spathaceum, Tetraonchus monenteron, Triaenophorus crassus, Corynosoma strumosoum, Lernaea sp. were found in the pikes of the Chamkhaleh River. The most prevalent parasite was R. acus (37.39%) and the least were C. strumosum and Lernaea sp. (0.81% each). The highest mean intensity of the parasites was related to T. crassus (8.45 specimens) and the lowest was detected for Lernaea sp. (0.01). The highest range in parasite infection was seen for R. acus (1-45) and the lowest for Lernaea sp. with only one individual parasite. We observed seasonal, age and sex differences in infection rate with the parasites. This is the first time report of the pike as a host for C. strumosum.
    Description: Published
    Keywords: Tetraonchus monenteron ; Raphidascaris acus ; Diplostomum spathaceum ; Esox lucius ; Camallanus lacustris ; Corynosoma strumosoum ; Triaenophorus crassus ; Age ; Skin ; Freshwater fish ; Digestive system ; Gills ; Freshwater ; Sex determination ; Eyes ; Muscles
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.37-50
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  • 2
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    Unknown
    Occurrence and intensity of parasites in pike (Esox lucius) in River of Chamkhaleh (2021)
    In:  http://aquaticcommons.org/id/eprint/23643 | 18721 | 2018-07-14 23:48:04 | 23643 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-14
    Description: Pike (Esox lucius) of Chamkhaleh River in Langrood (Iran) was studied from winter 2003 to autumn 2004. We collected 123 specimens of the fish and sent them live to the lab for examinations. Biometrical measurements, age and sex determination were conducted on the samples. The eye, skin, gill, digestive system, muscle and other organs of the specimens were examined for parasite infestation. Seven parasites: Raphidascaris acus, Camallanus lacustris, Diplostomum spathaceum, Tetraonchus monenteron, Triaenophorus crassus, Corynosoma strumosoum, Lernaea sp. were found in the pikes of the Chamkhaleh River. The most prevalent parasite was R. acus (37.39%) and the least were C. strumosum and Lernaea sp. (0.81% each). The highest mean intensity of the parasites was related to T. crassus (8.45 specimens) and the lowest was detected for Lernaea sp. (0.01). The highest range in parasite infection was seen for R. acus (1-45) and the lowest for Lernaea sp. with only one individual parasite. We observed seasonal, age and sex differences in infection rate with the parasites. This is the first time report of the pike as a host for C. strumosum.
    Keywords: Fisheries ; Health ; Age ; Skin ; Freshwater fish ; Digestive system ; Gills ; Freshwater ; Sex determination ; Eyes ; Muscles ; Tetraonchus monenteron ; Raphidascaris acus ; Diplostomum spathaceum ; Esox lucius ; Camallanus lacustris ; Corynosoma strumosoum ; Triaenophorus crassus ; ISW ; Guilan Province ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 37-50
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  • 3
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    Unknown
    Determining the lethal concentration (LC50 96h) of Phenol and 1-Naftol for Acipenser persicus fingerlings (2018)
    Details
    Publication Date: 2021-05-19
    Description: The toxic effects of the oil products Phenol and 1-Naftol on fingerlings of the Persian sturgeon, Acipenser persicus were studied in 2003. We carried out five treatments with three replicates and one control for each of the chemicals using the static O.E.C.D. method in 20 liter aquariums each containing 10 fingerlings. During the experiments, the average pH was recorded as 7.2, total hardness was measured to be 194 mg/l, average water temperature was 25.1 degrees centigrade and dissolved oxygen was 7.2 mg/l. Using the Probit Analysis procedure, we found that the LC50 96h of the Phenol and 1-Naftol for fingerlings of the Persian sturgeon, Acipenser persicus was 36.65 and 1.32 mg/l respectively. We determined the maximum allowable concentration of the Phenol and 1-Naftol for the fingerlings of the Persian sturgeon, Acipenser persicus to be 3.66 and 0.13 mg/l respectively.
    Description: Published
    Keywords: Brackish ; Freshwater
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.147-160
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