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  • 1
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    Numerical simulation of the effect of sulfide concentrate particle size on pollutant emission from flash smelting furnace (2021)
    Springer
    Details
    Publication Date: 2021-02-02
    Print ISSN: 1735-1472
    Electronic ISSN: 1735-2630
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Published by Springer
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  • 2
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    Effects of Unsaturated Fatty Acids on the Reproductive Performances of White Indian Prawn ( Rindicus ) (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: The shrimp farming success in the future will greatly denpend upon increasing supplies of healthy and high quality seed for stocking ponds. The limited and inconsistent availability of wild Shrimp postlarvae together with an urgent need of establishing selective breeding programs, increased the interest in captive broods of penaeid. Many investigations have been carried -out A on several shrimp species world-wide. This study have been conducted on 2 shrimp groups since September (Mehr) to July (Tir) 1999 in Bandar-e-lmam southwest Iran. The wild group (SPB) prepared from Jask area and the pond group (POB) prepared from artificial ponds upon harvesting them as marketable. size have been investigated. 2 groups were exposed to natural diets consisting of squid and artemia biomass in same conditions using 12 m concrete tanks. Stocking density was 2 piece/m2 (IF: IM). Half part of the pond bottom covered by fine sand to reduce the stress where the other part has been used for feeding. Daily ration given in 3 times by satiation method. Also reproductive performance of wild gravid brooders (WLB) were recorded as a control group 2 examined groups well grown and around 50% of the SPM and around 30% of POB females successfully ripened an produced eggs an nauplii where almost all males of both groups were matured. Data showed fecundity is highly correlated to the TL and W of the brooders by positive trend. Considering the T WI Fecundity and nauplii production the WLB brooders are significantly. (P=0.05) higher than 2 other groups, while the SPM broods are significantly (P=0.05) higher in hatchability. Meanwhile the survival rate from nauplii to postlarvae stage was around 30% for SNIP brooders. On the other hand the growth parameters (TL W) of the marketable size of the shrimps produced for SMP brooders were significantly (P=0.05) higher than those produced from WLB group. Since the fecundity is improvable by increasing the brood size thus the data suggest the superiority of the SPM brooders.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Shrimp ; Postlarvae ; Females ; Males ; Growth parameters ; Fecundity
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 51pp.
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  • 3
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    Analyzing the effects of aquaculture and rebuild aquatics stocks on fisheries development in the Caspian Sea (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25412 | 18721 | 2018-09-23 15:56:29 | 25412 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: Using SWOT analysis with traditional matrix and quantitative matrix methods, the strategies to benefit from strengths and opportunities to vanishing weaknesses and decrease of threats for strategic management of aquaculture in Iranian Northern provinces was surveyed. Utilizing researches held in fisheries research centers and existence of aquaculture experts in vicinity, activation of veterinary organization in production and post production, and entering new brood stocks with desirable growth are the main strategies for developing rainbow trout and Chinese carps culture in Iranian Northern provinces. In sturgeon fishes culture, independence of farms from fingerlings produced by governmental complex and diversification the cultured fishes using new species and hybrids can develop this part of aquaculture. Avoiding illegal fishing in sea and rivers, preserving the population of Caspian Sea fishes, entering new fish species which their resources are decreased extremely to breeding and fingerling production cycle, and using pike perch and bream while they migrate to Anzali Lagoon from Caspian Sea, instead of freshwater brood stocks will cause the output of sea enhancement and sea ranching activities to increase, and fisheries return coefficient of these fishes will rise. Using quantitative matrix and scoring method, it was defined that aquaculture in Iranian Northern provinces are extremely approved and acceptable and the score of strengths is more than weaknesses and opportunities more than threats. By using strategic management, these activities can be more developed.
    Keywords: Management ; Iran ; Caspian Sea ; Anzali Lagoon ; SWOT ; Strategic management ; Aquaculture ; Sea enhancement ; Sea ranching ; Traditional matrix ; Quantitative matrix ; Fisheries ; Survey ; Culture ; Species ; Illegal fishing
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 504
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  • 4
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    Feasibility study on Intensive polyculture of chainess and Indian carps in I.R.IRAN (Giulan province) (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25354 | 18721 | 2018-09-13 13:02:58 | 25354 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: 500000 juvenile Indian majour carps (Labeo rohita,Cirhinus merigala, Catla catla) imported (2004) and transferred to the earthen ponds in Shahid Ansari Carp Breeding Center , In order to assess the viability of rearing under the climatic condition of north part of Iran and also achieve some growth parameters from the larval stage to market size.The fry with 300 mg weight, were released in to 8 ponds.specimens were separated to tree experimental categories: 1= (Labeo rohita) , 2= (Cirhinus merigala) , 3= (Catla catla). fishes were fed with artificial food and also with the natural products of the ponds which were enriched with organic fertilizers, after being equally stocked in the ponds .During the experiment, oxygen level ,PH, turbidity, and temperature were measured . Monthly fry samples were taken, for weight and length biometrical analysis and also determination of the weight gain percentage, average daily growth rate, specific growth rate. Results have indicated adaptations and considerable growth in this species, with an increase from the initial weight of 300 mg to an average of 13.5±1.6 mg in 50 days period until the end of November for fingerlings. Also the average weight of growing phase (second year of production) was 647g. For Labeo rohita ,420 g. for Cirhinus merigala and 734g. For Catla catla. The special growth rate(SGR)in Roho was 4.51 %.and 3.9 % for merigal and6.2 % for Catla while for Chinees carps SGR was 4.9, 6.7, 7.6 and 5.8 for silver carp,grass carp, common carp and big head respectively. Results revealed that the Indian majour carps compatibility with the condition in Gilan province was succesfull and the combination of species and optimization of their compatibility were remind for further studies.
    Keywords: Aquaculture ; Iran ; Indian carp ; Growth ; Labeo Rohita ; Cirhinus merigala ; Catla catla ; Juvenile ; Breeding ; Rearing ; Growth ; Larval stage ; Fry ; Artificial food ; Oxygen level ; pH ; Turbidity ; Temperature ; Species
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 65
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  • 5
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    Feasibility study on Intensive polyculture of chainess and Indian carps in I.R.IRAN (Giulan province) (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-12-05
    Description: 500000 juvenile Indian majour carps (Labeo rohita,Cirhinus merigala, Catla catla) imported (2004) and transferred to the earthen ponds in Shahid Ansari Carp Breeding Center , In order to assess the viability of rearing under the climatic condition of north part of Iran and also achieve some growth parameters from the larval stage to market size.The fry with 300 mg weight, were released in to 8 ponds.specimens were separated to tree experimental categories: 1= (Labeo rohita) , 2= (Cirhinus merigala) , 3= (Catla catla). fishes were fed with artificial food and also with the natural products of the ponds which were enriched with organic fertilizers, after being equally stocked in the ponds .During the experiment, oxygen level ,PH, turbidity, and temperature were measured . Monthly fry samples were taken, for weight and length biometrical analysis and also determination of the weight gain percentage, average daily growth rate, specific growth rate. Results have indicated adaptations and considerable growth in this species, with an increase from the initial weight of 300 mg to an average of 13.5±1.6 mg in 50 days period until the end of November for fingerlings. Also the average weight of growing phase (second year of production) was 647g. For Labeo rohita ,420 g. for Cirhinus merigala and 734g. For Catla catla. The special growth rate(SGR)in Roho was 4.51 %.and 3.9 % for merigal and6.2 % for Catla while for Chinees carps SGR was 4.9, 6.7, 7.6 and 5.8 for silver carp,grass carp, common carp and big head respectively. Results revealed that the Indian majour carps compatibility with the condition in Gilan province was succesfull and the combination of species and optimization of their compatibility were remind for further studies.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Indian carp ; Growth ; Labeo Rohita ; Cirhinus merigala ; Catla catla ; Juvenile ; Breeding ; Rearing ; Growth ; Larval stage ; Fry ; Artificial food ; Oxygen level ; pH ; Turbidity ; Temperature ; Species
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 65pp.
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  • 6
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    Unknown
    Analyzing the effects of aquaculture and rebuild aquatics stocks on fisheries development in the Caspian Sea (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-12-05
    Description: Using SWOT analysis with traditional matrix and quantitative matrix methods, the strategies to benefit from strengths and opportunities to vanishing weaknesses and decrease of threats for strategic management of aquaculture in Iranian Northern provinces was surveyed. Utilizing researches held in fisheries research centers and existence of aquaculture experts in vicinity, activation of veterinary organization in production and post production, and entering new brood stocks with desirable growth are the main strategies for developing rainbow trout and Chinese carps culture in Iranian Northern provinces. In sturgeon fishes culture, independence of farms from fingerlings produced by governmental complex and diversification the cultured fishes using new species and hybrids can develop this part of aquaculture. Avoiding illegal fishing in sea and rivers, preserving the population of Caspian Sea fishes, entering new fish species which their resources are decreased extremely to breeding and fingerling production cycle, and using pike perch and bream while they migrate to Anzali Lagoon from Caspian Sea, instead of freshwater brood stocks will cause the output of sea enhancement and sea ranching activities to increase, and fisheries return coefficient of these fishes will rise. Using quantitative matrix and scoring method, it was defined that aquaculture in Iranian Northern provinces are extremely approved and acceptable and the score of strengths is more than weaknesses and opportunities more than threats. By using strategic management, these activities can be more developed.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: SWOT ; Strategic management ; Aquaculture ; Sea enhancement ; Sea ranching ; Traditional matrix ; Quantitative matrix ; Fisheries ; Survey ; Culture ; Species ; Illegal fishing
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 504pp.
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