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  • 1
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    Standard of insurance procedures and risk assessment manual for warm water fish culture regarding management and natural disasters (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: There are many factors affecting aquaculture insurance in Iran. In spite of existing formulation for warm water fish culture in Iran, there was several aspects and new revisions were remind. In this study we focused on risk assessment as well as insurance procedure to find the better management practices on running insurance in the country. 360 farm in tree provinces (guilan, Mazandaran, Khozestan were selected for risk analysis program. Data were collected throw questionnaire forms. The project was carried out in fore disciplines 1) risk analyzing for manageable and unmanageable accidents and their deductible rates 2) revise premium forms , claim forms, inspection forms 3) new formulation for insurance management 4) guide lines for diagnostic futures and prevention of manageable accident.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Warm water fishes ; Insurance ; Risk analyzing ; Standard ; Fish culture ; Natural disasters
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 96pp.
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  • 2
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    Survey on health and disease status of ornamental fishes in Golestan, Mazanderan and Khorasan Razavi provinces (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: The project of survey on health status of ornamental fishes in Mazenderan , Golestan and Khorasan Razavi carried out with association of 5 , 2 and 6 centers in orderly. The main aims of this survey were identification and distribution local infectious of epizootic diseases , identification positive and negative points, offers management applicable guidelines to prevents of diseases.The results of survey showed that important virologically agent identified was Lymphocystis virus in Angel fish. Also, main bacteriologically agents were Aeromonas spp, Pseudomonas spp and vibrio. As well as, from the fungal agents that were identified can mentioned to Aspergilus flavus , Mucor , Penicilium and Alternaria. The important parasitic agents also were Trichodina , Ichthyophytrius , tetrahymena , Dactylogyrus, Gyrodactylus and capillaria. In the health management part of this survey positive points include non application of antibiotic and cooperative of hatchery directors with executive organizations to sampling examination periodically. The negative points were non familiarity and training about fish disease, werenot technical director, prepairing feeds without familiarity with principals of diets, non quarantine units before fishes entrance to production cycles, non existens good food storage rooms, non existens foot bath in entrance gate to the hatchery systems and ets.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Ornamental fish ; Disease ; Health management ; Survey ; Aeromonas spp ; Pseudomonas spp. ; Vibrio ; Aspergilus flavus ; Mucor ; Penicilium ; Alternaria ; Trichodina ; Ichthyophytrius ; Tetrahymena ; Dactylogyrus ; Hatchery
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 99pp.
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  • 3
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    Analysis of vitellogenin gene structure in Caspian roach, Rutilus caspicus (Pisces: Cyprinidae) during exposure to Atrazine (2021)
    In:  http://aquaticcommons.org/id/eprint/22484 | 18721 | 2018-04-23 10:37:04 | 22484 | University of Guilan, Faculty of Natural Resources, Iran
    Details
    Publication Date: 2021-07-06
    Description: Chemical contamination of aquatic environments to EDCs has become a major focus of environmental toxicology research. The exposure of fishes to estrogenic EDCs in aquatic environments is most frequently assessed by analyzing Vitellogenin (Vg) (the egg yolk precursor protein) expression. Therefore, characterization of Vg gene is of high priority for EDCs bio-monitoring. So, we prepared liver tissue samples of Caspian roach, Rutilus caspicus for RNA extraction. Following the cDNA synthesis, specifically - designed primers were employed to amplify the Vg gene and ultimately sequence it. The evolutionary analyses of the sequence were performed using MEGA7 software. The obtained results indicated that the designed primers successfully amplified the partial cDNA sequence. Our results indicated that this sequence most probably belongs to the Vg1 form of the gene. Moreover, it was demonstrated that Caspian roach and Petroleuciscus esfahani share a common ancestor. Noteworthy, the study of Vg gene would be helpful to understand the molecular mechanisms of development and would be used to establish a bio-monitoring tool for detection of exposure to different EDCs.
    Keywords: Biology ; Fisheries ; Pollution ; Vitellogenin gene ; Caspian roach ; Rutilus caspicus ; EDCs ; Endocrine disrupting compounds ; Iran ; Rutilus caspicus
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 309-319
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  • 4
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    Survey on health and disease status of ornamental fishes in Golestan, Mazanderan and Khorasan Razavi provinces (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25433 | 18721 | 2018-09-25 10:57:21 | 25433 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: The project of survey on health status of ornamental fishes in Mazenderan , Golestan and Khorasan Razavi carried out with association of 5 , 2 and 6 centers in orderly. The main aims of this survey were identification and distribution local infectious of epizootic diseases, identification positive and negative points, offers management applicable guidelines to prevent of diseases.The results of survey showed that important virologically agent identified was Lymphocystis virus in Angel fish. Also, main bacteriologically agents were Aeromonas spp, Pseudomonas spp and vibrio. As well as, from the fungal agents that were identified can mentioned to Aspergilus flavus, Mucor, Penicilium and Alternaria. The important parasitic agents also were Trichodina, Ichthyophytrius, tetrahymena, Dactylogyrus, Gyrodactylus and capillaria. In the health management part of this survey positive points include non-application of antibiotic and cooperative of hatchery directors with executive organizations to sampling examination periodically. The negative points were non familiarity and training about fish disease, were not technical director, prepairing feeds without familiarity with principals of diets, non-quarantine units before fishes entrance to production cycles, non existens good food storage rooms, non existens foot bath in entrance gate to the hatchery systems and ets.
    Keywords: Health ; Iran ; Mazandaran Province ; Golestan Province ; Khorasan razavi Province ; Ornamental fish ; Disease ; Health management ; Survey ; Aeromonas spp ; Pseudomonas spp. ; Vibrio ; Aspergilus flavus ; Mucor ; Penicilium ; Alternaria ; Trichodina ; Ichthyophytrius ; Tetrahymena ; Dactylogyrus ; Hatchery
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 99
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  • 5
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    Study on the growth status of mullets with viral nervous necrosis disease in the southern Caspian Sea (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25699 | 18721 | 2018-10-10 08:54:02 | 25699 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: Mullet and mullet products have considerable economic importance at a regional level, especially around the Caspian Sea. The leaping mullet constitutes an important part of their production. This study is the first detailed work on the age and growth of the leaping mullet (Liza saliens) from September 2012 to March 2013 in the Southern coast of the Caspian Sea. Age and growth determinations were based upon the scale samples taken from 102 fish. Marginal increment analysis was used to validate age determination. The back-calculated lengths stage estimated from the scale showed no differences between in this study. The maximum age of leaping mullet in the Southern coast of the Caspian Sea was 5 years for males and 6 years for females. The von Bertalanffy growth functions were Lt=30.415(1-e-0.275(t+0.645)) for males and Lt=34.832(1-e 0.211(t+1.009)) for females. A large spread and length overlap characterized the age groups. The estimated Length Weight relationships were common for the two sexes (W=0.079L3 ). The slope (b) values of the length-weight relationship showed that weight of leaping grey mullet in Mazandaran increased associated with length in isometric. The mean condition factor for males, females and all specimens were determined as 0.908, 0.900 and 0.897, respectively. According to sex groups, the mean condition factor of males was slightlyhigher than that of females. The total length for leaping grey mullet was determined as 23.3 cm.
    Keywords: Aquaculture ; Iran ; Caspian Sea ; Age determination ; Fish scale ; Liza saliens ; Back calculation
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 66
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  • 6
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    Standard of insurance procedures and risk assessment manual for warm water fish culture regarding management and natural disasters (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25309 | 18721 | 2018-09-08 16:38:40 | 25309 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: There are many factors affecting aquaculture insurance in Iran. In spite of existing formulation for warm water fish culture in Iran, there was several aspects and new revisions were remind. In this study we focused on risk assessment as well as insurance procedure to find the better management practices on running insurance in the country. 360 farm in tree provinces (guilan, Mazandaran, Khozestan were selected for risk analysis program. Data were collected throw questionnaire forms. The project was carried out in fore disciplines 1) risk analyzing for manageable and unmanageable accidents and their deductible rates 2) revise premium forms , claim forms, inspection forms 3) new formulation for insurance management 4) guide lines for diagnostic futures and prevention of manageable accident.
    Keywords: Aquaculture ; Iran ; Warm water fishes ; Insurance ; Risk analyzing ; Standard ; Fish culture ; Natural disasters
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 96
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  • 7
    facet.materialart.
    Unknown
    Study on the growth status of mullets with Viral Nervous Necrosis disease in the southern Caspian Sea (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Mullet and mullet products have considerable economic importance at a regional level, especially around the Caspian Sea. The leaping mullet constitutes an important part of their production. This study is the first detailed work on the age and growth of the leaping mullet (Liza saliens) from September 2012 to March 2013 in theSouthern coast of the Caspian Sea.Age and growth determinations were based upon thescale samples taken from 102 fish. Marginal increment analysis was used to validate agedetermination. The back-calculated lengths stage estimated from the scale showed no differences between in this study. The maximum age of leaping mullet in the Southern coast of the Caspian Sea was 5 years for males and 6 years for females.The von Bertalanffy growth functions were Lt=30.415(1-e-0.275(t+0.645)) for males and Lt=34.832(1-e0.211(t+1.009)) for females. A large spread and length overlapcharacterized the age groups. The estimated LengthWeight relationships were common for the two sexes(W=0.079L3 ). The slope (b) values of the length-weight relationship showed that weight of leaping grey mullet in Mazandaran increased associated with length in isometric. The mean condition factor for males, females and all specimens were determined as 0.908, 0.900 and 0.897, respectively. According to sex groups, the mean condition factor of males was slightlyhigher than that of females. The total length for leaping grey mullet was determined as 23.3 cm.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Age determination ; Fish scale ; Liza saliens ; Back calculation
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 66pp.
    Location Call Number Expected Availability
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  • 8
    facet.materialart.
    Unknown
    Analysis of vitellogenin gene structure in Caspian roach, Rutilus caspicus (Pisces: Cyprinidae) during exposure to Atrazine (2018)
    Details
    Publication Date: 2021-05-19
    Description: Chemical contamination of aquatic environments to EDCs has become a major focus of environmental toxicology research. The exposure of fishes to estrogenic EDCs in aquatic environments is most frequently assessed by analyzing Vitellogenin (Vg) (the egg yolk precursor protein) expression. Therefore, characterization of Vg gene is of high priority for EDCs bio-monitoring. So, we prepared liver tissue samples of Caspian roach, Rutilus caspicus for RNA extraction. Following the cDNA synthesis, specifically - designed primers were employed to amplify the Vg gene and ultimately sequence it. The evolutionary analyses of the sequence were performed using MEGA7 software. The obtained results indicated that the designed primers successfully amplified the partial cDNA sequence. Our results indicated that this sequence most probably belongs to the Vg1 form of the gene. Moreover, it was demonstrated that Caspian roach and Petroleuciscus esfahani share a common ancestor. Noteworthy, the study of Vg gene would be helpful to understand the molecular mechanisms of development and would be used to establish a bio-monitoring tool for detection of exposure to different EDCs.
    Description: Published
    Keywords: Endocrine disrupting compounds ; EDCs ; Rutilus caspicus ; Caspian roach ; Vitellogenin gene ; Petroleuciscus esfahani ; Chemical ; Gene ; Structure
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.309-319
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