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  • 1
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    The feasibility of Gamasiab river area fish farming of rainbow trout (Onchorhynchus mikiss) (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: This study was carried out about 15 months to determine suitable locations for the development of aquaculture across the Gamasiab river of Hamedan province in 2007 - 2008. Physicochemical parameters and macro benthic invertebrates fauna15 and 13 staitions respectively every 45 days and seasonally fish identify in 8 stations were performed according standard methods. The average water temperature was 12.8±3.7 oC, minimum and maximum dissoled oxygen were 2.6 and 12.5 mg/lit respectively during the study. The pH range was between 7.5-8.8 , the minimum and maximum Ec was 250 and 750 µmos/cm in Mehr and Tir.The transparency range was recorded about 1-103 F.T.U. The uder factors such as amount of suspended materials: 0.01-0.1 mg/l, amount of BOD5: 0.05-6.2 mg/l and COD: 30 (minimum) and 70.57 (maximum) were recirded. The total solids material (T.S.S) were less than 1 mg/lit. Totally 37 groups of bentic organisms were identified which 11 groups of them were appertained to pollutionsensitive orders containing Ephemeroptera, Trichoptera and Plecoptera. During fish population studied 21 species belonging 5 family were identified. Based on obtained results of biological, ecological, economic and social parameters, 10 sites in 7 areas were suitable identified for fish rearing and 12 aquaculture programs (10 plan for fish rearing and 2 plan for increasing fish production of (Onchorhynchus mikiss).The minimum and maximum production capacity in mentioned places was stimated about 1675 and 3850 tons respectively.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Feasibility ; Complexes of fish farms ; Biotic and Abiotic factors ; Onchorhynchus mikiss ; Rainbow trout
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 92pp.
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  • 2
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    Culturing Rutilus frisii kutum, a Fish Species of the Caspian Sea, to Marketable Size (2018)
    Details
    Publication Date: 2021-05-19
    Description: Rutilus frisii kutum, belonging to family Cyprinidae, was reared using mono-culture and poly-culture (combined with Chinese carps) methods. The culturing process were carried out in earthen ponds from 22 May to 23 October in 1992 and 1993. Physical and chemical factors, transparency of the water, sanitary control and growth of the fishes were surveyed monthly. Nitrate and phosphate fertilizer and animal manure (cow and chicken) were applied to facilitate the growth of phytoplanktons and benthoses. Fertilizer usage were regulated according to the results of hydrochemical analyses and the transparency of the water. The fishes were fed on artificial food, concentrated pellet specially made for Rutilus frisii kutum nutrition (KF). Their diet were calculated using the body weight percentage (biomass) as well as their appetite. The essential characteristics of the water including water temperature (15°c - 27.64°c), pH (6.9 - 8.74), dissolved oxygen (4.79 - 7.25 ppm) and trasparancy of the water (often varied between 20 - 30 cm) were measured in the first year. Mean weight of the young fishes in the ponds were 30 gr; after six months the fishes caught in mono-culture ponds had reached 177 gr. By poly-culture method fishes reached 185 gr, and their maximum weight were 300 gr. In the second year the ponds were stocked with young fishes weighing 7 gr. When the fishes in mono-culture and poly-culture ponds were caught, they had reached 168 gr and 192 gr, respectively. Their maximum weight were 250 gr.
    Description: Published
    Keywords: Rutilus frisii kutum ; Cyprinidae ; Chinese carps ; Physical ; Chemical ; Growth ; Phytoplankton ; Benthos ; Hydrochemical ; Fish ; Body weight ; Species ; Size
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.49-58
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  • 3
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    The feasibility of Gamasiab river area fish farming of rainbow trout (Oncorhynchus mykiss) (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25665 | 18721 | 2018-10-14 03:04:11 | 25665 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: This study was carried out about 15 months to determine suitable locations for the development of aquaculture across the Gamasiab river of Hamedan province in 2007 - 2008. Physicochemical parameters and macro benthic invertebrates fauna 15 and 13 stations respectively every 45 days and seasonally fish identify in 8 stations were performed according standard methods. The average water temperature was 12.8±3.7 oC, minimum and maximum dissoled oxygen were 2.6 and 12.5 mg/lit respectively during the study. The pH range was between 7.5-8.8 , the minimum and maximum Ec was 250 and 750 µmos/cm in Mehr and Tir. The transparency range was recorded about 1-103 F.T.U. The uder factors such as amount of suspended materials: 0.01-0.1 mg/l, amount of BOD5: 0.05-6.2 mg/l and COD: 30 (minimum) and 70.57 (maximum) were recorded. The total solids material (T.S.S) were less than 1 mg/lit. Totally 37 groups of bentic organisms were identified which 11 groups of them were appertained to pollution sensitive orders containing Ephemeroptera, Trichoptera and Plecoptera. During fish population studied 21 species belonging 5 family were identified. Based on obtained results of biological, ecological, economic and social parameters, 10 sites in 7 areas were suitable identified for fish rearing and 12 aquaculture programs (10 plan for fish rearing and 2 plan for increasing fish production of (Oncorhynchus mykiss). The minimum and maximum production capacity in mentioned places was estimated about 1675 and 3850 tons respectively.
    Keywords: Aquaculture ; Iran ; Hamedan province ; Gamasiab river ; Feasibility ; Complexes of fish farms ; Biotic and Abiotic factors ; Oncorhynchus mykiss ; Rainbow trout
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 92
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  • 4
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    Unknown
    Culturing Rutilus frisii kutum, a fish species of the Caspian Sea, to marketable size (2021)
    In:  http://aquaticcommons.org/id/eprint/23921 | 18721 | 2018-08-01 17:38:17 | 23921 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-15
    Description: Rutilus frisii kutum, belonging to family Cyprinidae, was reared using mono-culture and poly-culture (combined with Chinese carps) methods. The culturing process were carried out in earthen ponds from 22 May to 23 October in 1992 and 1993. Physical and chemical factors, transparency of the water, sanitary control and growth of the fishes were surveyed monthly. Nitrate and phosphate fertilizer and animal manure (cow and chicken) were applied to facilitate the growth of phytoplankton and benthos. Fertilizer usage were regulated according to the results of hydro chemical analyses and the transparency of the water. The fishes were fed on artificial food, concentrated pellet specially made for Rutilus frisii kutum nutrition (KF). Their diet were calculated using the body weight percentage (biomass) as well as their appetite. The essential characteristics of the water including water temperature (15°C - 27.64° C), pH (6.9 - 8.74), dissolved oxygen (4.79 - 7.25 ppm) and transparency of the water (often varied between 20 - 30 cm) were measured in the first year. Mean weight of the young fishes in the ponds were 30 gr; after six months the fishes caught in mono-culture ponds had reached 177 gr. By poly-culture method fishes reached 185 gr, and their maximum weight were 300 gr. In the second year the ponds were stocked with young fishes weighing 7 gr. When the fishes in mono-culture and poly-culture ponds were caught, they had reached 168 gr and 192 gr, respectively. Their maximum weight were 250 gr.
    Keywords: Aquaculture ; Fisheries ; Physical ; Chemical ; Growth ; Phytoplankton ; Benthos ; Hydrochemical ; Fish ; Body weight ; Species ; Size ; Rutilus frisii kutum ; Cyprinidae ; Chinese carps ; Caspian Sea ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 49-58
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