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  • 1
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    A survey on health status of marine fish in Bandar-e-Imam station (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25189 | 18721 | 2018-09-03 17:16:20 | 25189 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: Mariculture is one of the most important sub sector fisheries industry in Asia-pacific region. There are over 40 marine fish species commonly cultured, such as groupers (Epinephlus spp.), snappers (Lutjanus spp.) and Asian sea bass (Lattes calcarifer). But this industry in Southeast Asia experienced serious disease problem since the late 1980s. Khouzestan province has a coastal line about 200 km with many Creek and suitable area for Mariculture. Marine fish culture in Khouzestan province in floating net cages was successfully initiated in Ghazaleh Creek following development of Epinephlus coioides artificial seed production in the 1372. This study has been conducted since 1384 to 1387 in Bandar-e-Imam station. The aim of this research project was to determine the health management status in cage and hatchery, identification of marine fish pathogens (Bacteria, Fungi and parasite), examination of heavy metal in cages sediment and test the physico chemical factors of water in cages and hatchery. Different parts of broodstocks body and fingerlings including intestine, gills and body surface were examined. In this study, 18 Genus and species of bacteria such as Vibrio alginolyticus, Vibrio anguillarum, Vibrio splendidus, Vibrio vulnificus, Plesiomonas shigelloides, Aeromonas hydrophila, Aeromonas caviae, Pseudomonas sp. were diagnosed. Also 7 Genus and species of fungi such as: Aspergillus Niger, Aspergillus flavus, Aspergillus fumigatus, Penicillium sp. And Fusarium sp. Were isolated. In this survey following of disease appearance parasites such as; protozoans Amyloodinium sp. And Trichodina sp. In E.coioides and Acanthopagrus latus and Sparidentex hasta, monogean such as Benedenia sp. In E.coioides and S. hasta, isopoda probably Nerocila sp. In nasal cavity of E.coioides and copepods such as: Caligus sp. And Lernanthropus sp. In A.latus and S.hasta were identified. In this study, microorganisms (bacteria, fungi and parasites) isolated from three different marine fishes species, were reported for the first time in Iran. The range of the physico-chemical parameters of water in cages were: DO (5.42-10.24 ppm), BOD5 (1.51-10.24 ppm), No_2 (0.0197-0.89 ppm), No_3 (3.53-11.93 ppm), Po_4 (0.965-6.05 ppm), turbidity (4-58 NTU) and ammonia (0.0008-0.03 ppm). According to the results parameters such as nitrate, nitrite and turbidity were found more than standard levels. Heavy metals: Ni and Pb relatively high observed.
    Keywords: Biology ; Iran ; Khouzestan province ; Bandar-e-imam ; Mariculture ; Fisheries ; Species ; Epinephlus spp. ; Lutjanus spp. ; Lattes calcarifer ; Bacteria ; Fungi ; Parasite ; Aspergillus niger ; Aspergillus flavus ; Aspergillus fumigatus ; Penicillium sp. ; Fusarium sp. ; Vibrio alginolyticus ; Vibrio anguillarum ; Vibrio splendidus ; Vibrio vulnificus ; Plesiomonas shigelloides ; Aeromonas hydrophila ; Aeromonas caviae ; Pseudomonas sp. ; Grouper ; Snapper ; Sea bass
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 86
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  • 2
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    Isolation and identification of bacterial and fungal microflora from Litopenaeus vannamei in Choibdeh, Abadan (2021)
    In:  http://aquaticcommons.org/id/eprint/23777 | 18721 | 2018-07-27 13:31:11 | 23777 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-15
    Description: Bacterial and fungal microflora of Litopenaeus vannamei cultured in Choibdeh, Abadan was studied. For this purpose, PLs before and after stocking and those shrimps persisting on food tray from June to August, 2006 were taken randomly. Live samples transferred to microbiology laboratory of South Aquaculture Research Center, Ahwaz. Special culture media (e.g. Tryptic Soy Agar + 1.5-2% Nacl & Sabouraud Dextrose Agar + 1.5-2% Nacl) were used for bacterial and fungal culture. We isolated 10 bacterial species of which Vibrio alginolyticus (36.92%) had high abundance among bacterial species. We also isolated and identified three fungal species including Aspergillus niger (66.66%) A. fumigatus (16.66%) and Fusarium sp. (16.66%). A. niger was predominant among fungal species. All bacterial and fungal species that were identified were opportunistic.
    Keywords: Biology ; Health ; Litopenaeus vannamei ; Bacteria ; Fungy ; Abadan ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 161-166
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  • 3
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    Monitoring infectious agents in L.vannamei farms in choebdeh-Abadan (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25262 | 18721 | 2018-09-07 07:28:07 | 25262 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: The introduction of L. vannamei to Iran from Hawaii was initiated when high mortality occurred in shrimp farms of Abadan in 2002 than in Bushehr during summer of 2004. Inspection of L. vannamei for infectious agents (Bacteria , virus , fungi and parasite ) , determine total plate count and total vibrio in Bahmanshir Rivers, shrimps and farms water , examination physicochemical factors of farms water , Identification of carriers of wssv in wild shrimp and crabs , the main objectives of this study , which was held in 2007 . 540 shrimp samples (pl12 pl15) and subadults were collected from different shrimp farms in khouzestan province and then check for identity bacteria, fungi and parasite. Also 280 samples of L. vannamei , wild shrimps ( Metapenaeus af inis , Exopalaemon styliferus ) and crabs (Grapsus sp .and Sesarma sp. ) were Collected from Bahmanshir river for virology studies by PCR procedure (Iq2000 kit WSSV , IHHNV , TSV ) . 120 samples of L. vannamei for histopathology had been collected randomly and preserved in Davidson’s fixation and then transferred to 75% ethyl alcohol for storage. (Hepatopancreas gills). Physicochemical parameters of water in culture ponds comprising of pH DO, BOD, NO_3, NO_2, salinity. Total. Hardness and NH3 were measured all over culture period for 340 times. Finally it has been detected 10 genus and species of bacteria consisting of V . alginolyticus, V. parahaemolyticus, V. proteolyticus , plesiomonas shigelloides ; 6 genus and species of fungi specially Aspergilus niger , Asp.fumigatus and Asp.flavus and two genus of parasites vorticella sp. And Zoothamnium sp. were isolated. Crab (Sesarma sp.) were tested by using Iq2000 diagnostic kit for WSSV that positive for WSSV. There was a positive result (three viruses TSV, IHHNV and WSSV) for postlarvae and subadults of L.vannamei by using Iq2000 kit and IFRO kit (Internal kit). Histopathological studies have shown inclusion bodies of TSV, WSSV, IHHNV, MBV and HPV in various tissues. Results demonstrated the mean of vibrio count (0. 01×103 - 1.96 ×103) and tolal plate count (0 .21 ×103 - 14.25 ×10 3). physicochemical parameters of water were measured as follows : salinity (12.3 22.5 ppt ).BOD5 ( 1.98 10.21 ppm ) , DO (3.17 11.25 ppm ) , NH3(0.02 3.45 ppm ) and temperature (20 31. 5 c) . Keywords: L.vannamei, bacteria, virus, fungi, parasite Histo pathology - physicochemical parameters of water- Abadan khouzestan province.
    Keywords: Aquaculture ; Iran ; Khouzestan Province ; Abadan ; Choebdeh ; Bahmanshir River ; L.Vannamei ; Bacteria ; Virus ; Fungi ; Parasite ; Histopathology ; Physicochemical parameters of water ; Mortality ; Shrimp ; Metapenaeus affinis ; Exopalaemon styliferus ; Grapsus sp. ; Sesarma sp. ; Aspergilus niger ; Asp. Fumigatus ; Asp. Flavus ; Temperature
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 78
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  • 4
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    A survey on health status of marine fish in Bandar-e-imam station (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Mariculture is one of the most important sub sector fisheries industry in Asia-pacific region. There are over 40 marine fish species commonly cultured, such as groupers (Epinephlus spp.), snappers (Lutjanus spp.) and Asian sea bass (Lattes calcarifer). But this industry in Southeast Asia experienced serious disease problem since the late 1980s. Khouzestan province has a coastal line about 200 km with many Creek and suitable area for Mariculture. Marine fish culture in Khouzestan province in floating net cages was successfully initiated in Ghazaleh Creek following development of Epinephlus coioides artificial seed production in the 1372. This study has been conducted since 1384 to 1387 in Bandar-e-Imam station. The aim of this research project was to determine the health management status in cage and hatchery, identification of marine fish pathogens (Bacteria, Fungi and parasite), examination of heavy metal in cages sediment and test the physico chemical factors of water in cages and hatchery. Different parts of broodstocks body and fingerlings including intestine, gills and body surface were examined. In this study, 18 Genus and species of bacteria such as Vibrio alginolyticus, Vibrio anguillarum, Vibrio splendidus, Vibrio vulnificus, Plesiomonas shigelloides , Aeromonas hydrophila, Aeromonas caviae, Pseudomonas sp. Were diagnosed. Also 7 Genus and species of fungi such as: Aspergillus niger , Aspergillus flavus , Aspergillus fumigatus , Penicillium sp. And Fusarium sp. Were isolated. In this survey following of disease appearance parasites such as ; protozoans Amyloodinium sp. And Trichodina sp. In E.coioides and Acanthopagrus latus and Sparidentex hasta , monogean such as Benedenia sp. In E.coioides and S. hasta, isopoda probably Nerocila sp. In nasal cavity of E.coioides and copepods such as: Caligus sp. And Lernanthropus sp. In A.latus and S.hasta were identified. In this study, microorganisms (bacteria, fungi and parasites) isolated from three different marine fishes species, were reported for the first time in Iran. The range of the physico-chemical parameters of water in cages were: DO(5.42-10.24 ppm), BOD5 (1.51-10.24 ppm), No2(0.0197-0.89 ppm), No3(3.53-11.93 ppm), Po4(0.965-6.05 ppm), turbidity ( 4-58 NTU) and ammonia ( 0.0008-0.03 ppm). According to the results parameters such as nitrate, nitrite and turbidity were found more than standard levels. Heavy metals: Ni and Pb relatively high observed.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Mariculture ; Fisheries ; Species ; Epinephlus spp. ; Lutjanus spp. ; Lattes calcarifer ; Bacteria ; Fungi ; Parasite ; Aspergillus niger ; Aspergillus flavus ; Aspergillus fumigatus ; Penicillium sp. ; Fusarium sp. ; Vibrio alginolyticus ; Vibrio anguillarum ; Vibrio splendidus ; Vibrio vulnificus ; Plesiomonas shigelloides ; Aeromonas hydrophila ; Aeromonas caviae ; Pseudomonas sp. ; Grouper ; Snapper ; Sea bass
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 86pp.
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  • 5
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    Evaluation of effective agents with larvae production in Khouzestan province shrimp hatcheries (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Shrimp hatcheries around the world continue to be heavily dependent of wild brood stock. This is a common threat for shrimp hatcheries in major shrimp farming countries. This dependence is inherently unstable and potentially dangerous, as the number of wild shrimp stocks around the world are tested to be positive for variety of dangerous infections increases (such as viruses). As the shrimp aquaculture industry has developed, the number of farms relying on seed hatcheries has increased too. On the other hand hatcheries are adopting technology to control the reproductiove process and produce ganeration after generation of shrimp without totally relying of wild populations. At present. There are hatcheries in khouzestan province, Abadan region. Which only 6 of them are active with production of 20 Milion postlarvae each hatchery. (of course hatchery in Bandar- e- Imam was onl active in 1380). The aim of our research project is to determine, the hatchery management, the fungal. Bacteria and parasite flora of shrimp larvae, water supply, water physico chemical factors and suitable use of dose chemicals. This study has been conducted since Farvardin1380 to Aban 1381 in Abadan hatcheries and in 1380 in Bandar-e- Imam. In this study, 7 genus and species bacteria such as, V.alginolyticus, V. splendidus, V. vulnificus, staphylococcous and A. hydrophila were diagnosed. Also, 10 genus and species fungi, trichothesium, Aspergilus, A. niger, cladosporium, mucor, fosarium, penicelium, Rhizopus and yeast were isolated. Among the received larve, zoothaminum and vorticella protozoa wer observed in Abadan hatchery. Water physico chemical Factors was terlatively normal, but heavy metal highly observed.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Hatchery ; Parasite ; Bacteria ; Fungi flora ; Water Physico chemical factos ; Heavy metals ; Management farms ; Feed ; Drug ; Evaluation
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 64pp.
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  • 6
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    Monitoring infectious agents in L.vannamei farms in choebdeh-Abadan (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: The introduction of L. vannamei to Iran from Hawaii was initiated when high mortality occurred in shrimp farms of Abadan in 2002 then in Bushehr during summer of 2004. Inspection of L. vannamei for infectious agents (Bacteria , virus , fungi and parasite ) , determine total plate count and total vibrio in Bahmanshir Rivers, shrimps and farms water , examination physicochemical factors of farms water , Identification of carriers of wssv in wild shrimp and crabs , the main objectives of this study , which was held in 2007 . 540 shrimp samples (pl12 pl15) and subadults were collected from different shrimp farms in khouzestan province and then check for identity bacteria, fungi and parasite. Also 280 samples of L. vannamei , wild shrimps ( Metapenaeus af inis , Exopalaemon styliferus ) and crabs (Grapsus sp .and Sesarma sp. ) were Collected from Bahmanshir river for virology studies by PCR procedure (Iq2000 kit WSSV , IHHNV , TSV ) . 120 samples of L. vannamei for histopathology had been collected randomly and preserved in Davidson’s fixation and then transferred to 75% ethyl alcohol for storage. (Hepatopancreas gills). Physicochemical parameters of water in culture ponds comprising of pH DO, BOD, NO3, NO2, salinity. Total. Hardness and NH3 were measured all over culture period for 340 times. Finally it has been detected 10 genus and species of bacteria consisting of V . alginolyticus, V. parahaemolyticus, V. proteolyticus , plesiomonas shigelloides ; 6 genus and species of fungi specially Aspergilus niger , Asp.fumigatus and Asp.flavus and two genus of parasites vorticella sp. And Zoothamnium sp. were isolated. Crab (Sesarma sp.) were tested by using Iq2000 diagnostic kit for WSSV that positive for WSSV. There was a positive result (three viruses TSV, IHHNV and WSSV) for postlarvae and subadults of L.vannamei by using Iq2000 kit and IFRO kit (Internal kit). Histopathological studies have shown inclusion bodies of TSV, WSSV, IHHNV, MBV and HPV in various tissues. Results demonstrated the mean of vibrio count (0. 01×103 - 1.96 ×103) and tolal plate count (0 .21 ×103 - 14.25 ×10 3). physicochemical parameters of water were measured as follows : salinity (12.3 22.5 ppt ).BOD5 ( 1.98 10.21 ppm ) , DO (3.17 11.25 ppm ) , NH3(0.02 3.45 ppm ) and temperature (20 31. 5 c) . Keywords: L.vannamei, bacteria, virus, fungi, parasite Histo pathology - physicochemical parameters of water- Abadan khouzestan province.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Virology ; Histopathology ; L.Vannamei ; Bacteria ; Virus ; Fungi ; Parasite ; Histopathology ; Physicochemical parameters of water ; Mortality ; Shrimp ; Metapenaeus affinis ; Exopalaemon styliferus ; Grapsus sp. ; Sesarma sp. ; Aspergilus niger ; Asp. Fumigatus ; Asp. Flavus ; Temperature
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 78pp.
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