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  • 1
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    Rearing of common carp (Cyprinus carpio) in fiber glass tanks with pellet feeding (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: The intensive culture of common carp (Cyprinus carpio) evaluated in fiberglass tanks(2*2m) with feeding on pellet during 8 weeks.The fish (n=201)of common carp selected from three treatments along with three replicates as the average of fish weight was less than 100(g )which divided into 〈50(g), 50-70(g) and 70-100(g).At the first experiment , there is no statistically significant difference between fish weight in relative to replicate treatment (P〉0.05).The common pellet food was chosen for feeding from market as fish were fed by the mean of 4% of their body weight a day. The result indicated that the mean of particular growth ratio at first treatment (0.54) has higher than second treatment (0.34) but in comparison with third treatment (0.46), there was no statistically significant difference (P〈0.05).Also, the conversion ratio at first treatment (5.28) and third treatment (6.09) was lower than second treatment (35.66) and third treatment (20.91) was lower than second treatment (24.24), (P〈0.05). This study showed that monoculture in small scale is eassible by utilizing artificial diet, if the water quality is exposed to change. In this survey, the conversion ratio of the fish was relatively high whereas the growth rate was low.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Common carp ; Mono culture ; Pellet ; Fiber glass tank ; Cyprinus carpio ; Feeding ; Weight ; Growth Rate ; Artificial diet
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 21pp.
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  • 2
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    Evaluation of quantitative and qualitative of microbial indicator the lake behind Shahid Rajaee dam of Mazandaran province (sari) (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: One of the country's dams is dam Shahid Rajaee Sari. In this study it was evaluated some bacterial indices. Some bacterial parameters including total bacteria, total coliform, fecal coliform, fecal streptococci , Sulphitereducing Bacteria (SRB) in the water behind the dam Shahid Rjaee for one year at five stations (the entrance Shireenrood branches, input branch of the Sefidrood, cross the river and sweet Sefidrood in the tank, close to the Taj (zero, 15 and 30) and the output reservoir) and seven samples collected during six periods (June, July, August, September, November and February) were tested in 1391. Analysis of water samples for bacterial plate count agar medium (total bacteria count) ECC were inoculated (total coliforms and fecal), SPS (sulfite reducing bacteria) and KF (bacteria Inserts fecal streptococci) was performed using the culture surface culture method. ECC in both 37 and 44 ° C medium temperature Tc, KF and SPS at 37 ° C for 72-24 hours were incubated. The results showed that the mean log of bacteria in different months of CFU / 100ml12 / 0 ± 85/6 1n September months to CFU100ml15 / 0 ± 65/4 is variable in February, the mean total coliform Log in of the CFU / 100ml15 / 0 ± 63/4 in September to CFU / 100ml44 / 0 ± 27/3 in February are variable, the mean log Clostridium Clostridium CFU / 100ml89 / 0 ± 17 / 4 in September to CFU / 100ml13 / 0 ± 07/3 in February is variable, ranging from the mean log reduction in fecal streptococci in different months CFU / 100ml19 / 0 ± 59/3 in September CFU / 100ml17 / 0 ± 10 / 3 in February is variable. The results showed that bacterial indicator pollution load of the dam in more stations in August and September months. . Compare the results of the surface water standards indicate that indicator bacteria have been studied in the standard range. If the water behind the dam is intended to be used for drinking, it has need for more treatments during the final purification for drinking purposes.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Water bacterial indicator ; Evaluation ; Quantitative ; Qualitative ; Microbial
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 40pp.
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  • 3
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    Feasibility study of white shrimp, Litopenaeus vannamei, culture in earthen ponds using brackish water of the Caspian Sea (2021)
    In:  http://aquaticcommons.org/id/eprint/22107 | 18721 | 2018-02-08 05:46:57 | 22107 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-06-26
    Description: Litopenaeus vannamei (Boone, 1931) post-larvae 12 were obtained from Bushehr province and reared at the Caspian Sea Ecological Research Institute (Mazandaran, Iran) in summer 2012 using brackish water of the Caspian Sea. Prior to start of the experiment, post-larvae were gradually adapted to brackish water. The shrimp was stocked in a 1000 m2 earthen pond with a stocking density of 31 individual/m2. The earthen pond was in quarantine without discharge valve. During the rearing period, there was no water exchange. The shrimp was reared for 85 days. The average daily growth, final mean weight, feed conversion ratio and final yield were 0.31±0.04 g, 21.11±0.71 g, 0.79 and 531 kg, respectively. The results showed that L. vannamei can growth well in brackish water of Caspian Sea (salinity of 11.1±0.7 ppt and temperature of 28.67±0.72 °C) in Mazandaran province from July to September.
    Keywords: Aquaculture ; Litopenaeus vannamei ; Caspian Sea ; Brackish water ; Culture ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 175-182
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  • 4
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    Evaluation of quantitative and qualitative of microbial indicator the lake behind Shahid Rajaee dam of Mazandaran province (Sari) (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25705 | 18721 | 2018-10-10 08:44:53 | 25705 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: One of the country's dams is dam Shahid Rajaee Sari. In this study it was evaluated some bacterial indices. Some bacterial parameters including total bacteria, total coliform, fecal coliform, fecal streptococci , Sulphitereducing Bacteria (SRB) in the water behind the dam Shahid Rjaee for one year at five stations (the entrance Shireenrood branches, input branch of the Sefidrood, cross the river and sweet Sefidrood in the tank, close to the Taj (zero, 15 and 30) and the output reservoir) and seven samples collected during six periods (June, July, August, September, November and February) were tested in 1391. Analysis of water samples for bacterial plate count agar medium (total bacteria count) ECC were inoculated (total coliforms and fecal), SPS (sulfite reducing bacteria) and KF (bacteria Inserts fecal streptococci) was performed using the culture surface culture method. ECC in both 37 and 44 ° C medium temperature Tc, KF and SPS at 37 ° C for 72-24 hours were incubated. The results showed that the mean log of bacteria in different months of CFU / 100ml12 / 0 ± 85/6 1n September months to CFU100ml15 / 0 ± 65/4 is variable in February, the mean total coliform Log in of the CFU / 100ml15 / 0 ± 63/4 in September to CFU / 100ml44 / 0 ± 27/3 in February are variable, the mean log Clostridium Clostridium CFU / 100ml89 / 0 ± 17 / 4 in September to CFU / 100ml13 / 0 ± 07/3 in February is variable, ranging from the mean log reduction in fecal streptococci in different months CFU / 100ml19 / 0 ± 59/3 in September CFU / 100ml17 / 0 ± 10 / 3 in February is variable. The results showed that bacterial indicator pollution load of the dam in more stations in August and September months. . Compare the results of the surface water standards indicate that indicator bacteria have been studied in the standard range. If the water behind the dam is intended to be used for drinking, it has need for more treatments during the final purification for drinking purposes.
    Keywords: Aquaculture ; Ecology ; Health ; Iran ; Mazandaran ; Tajan River ; Shahid Rajaee Dam ; Sari ; Water bacterial indicator ; Evaluation ; Quantitative ; Qualitative ; Microbial
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 40
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  • 5
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    Quantitative evaluation and identification of fungi in Shahid Rajaeii Dam Lake, Mazandaran Province (Sari) (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25815 | 18721 | 2018-10-13 10:19:17 | 25815 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: The present study is carried out to investigate the fungal species present in water of Shahid Rajaeii damlake in Sari, (Mazandaran province). Samples were taken from five stations including, Station 1: Input of Shirinrud river, station 2: Input of Sefidrud river, Station 3: The confluence of the two branches, Station 4: dam crest and stations 5: Output dam from June to February 2012. Every sample was diluted by sterile saline (10-1 and 10-2) and 0.5 mL from each dilution was cultured on SD and incubated at 27-30°C for 3-5 days. Finally, the number of colonies wasrecorded as (colony forming unit = CFU) per 100 mL. Identification of fungal agents were conducted by slide culture preparation and stained in lacto-phenol blue. The results showed that in August and February were significantly highest and lowest rates of fungal colonies were isolated from water in different stations respectively. Moreover, the number of fungal colonies in the crown and the output was significantly higher than other stations. The frequency of identified fungi were: Aspergillus species (31.4%), various types of yeast (mainly Candida) (24.2%), Penicillium sp. (19.3%), Cladosporium sp.(10.3%), Mucor sp. (5.4%), Fusarium sp. (2.9%), sterile hype (2.8%), Alternaria sp. (2.3%) and Paecilomyces sp. (1.4%).
    Keywords: Ecology ; Health ; Iran ; Mazandara Province ; Sari ; Shahid Rajaeii Dam Lake ; Evaluation ; Identification ; Fungi ; Fungal ; Species ; Samples ; Aspergillus ; Penicillium sp. ; Cladosporium sp. ; Mucor sp. ; Fusarium sp. ; Alternaria sp. ; Paecilomyces sp.
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 42
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  • 6
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    Rearing of common carp (Cyprinus carpio) in fiber glass tanks with pellet feeding (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25317 | 18721 | 2018-09-11 09:06:52 | 25317 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: The intensive culture of common carp (Cyprinus carpio) evaluated in fibreglass tanks (2*2m) with feeding on pellet during 8 weeks. The fish (n=201)of common carp selected from three treatments along with three replicates as the average of fish weight was less than 100(g )which divided into 〈50(g), 50-70(g) and 70-100(g).At the first experiment , there is no statistically significant difference between fish weight in relative to replicate treatment (P〉0.05).The common pellet food was chosen for feeding from market as fish were fed by the mean of 4% of their body weight a day. The result indicated that the mean of particular growth ratio at first treatment (0.54) has higher than second treatment (0.34) but in comparison with third treatment (0.46), there was no statistically significant difference (P〈0.05).Also, the conversion ratio at first treatment (5.28) and third treatment (6.09) was lower than second treatment (35.66) and third treatment (20.91) was lower than second treatment (24.24), (P〈0.05). This study showed that monoculture in small scale is feasible by utilizing artificial diet, if the water quality is exposed to change. In this survey, the conversion ratio of the fish was relatively high whereas the growth rate was low.
    Keywords: Aquaculture ; Iran ; Common carp ; Mono culture ; Pellet ; Fiber glass tank ; Cyprinus carpio ; Feeding ; Weight ; Growth Rate ; Artificial diet
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 21
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  • 7
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    Feasibility study of white shrimp, Litopenaeus vannamei, culture in earthen ponds using brackish water of the Caspian Sea (2017)
    Details
    Publication Date: 2021-05-19
    Description: Litopenaeus vannamei (Boone, 1931) post-larvae 12 were obtained from Bushehr province and reared at the Caspian Sea Ecological Research Iinstitute (Mazandaran, Iran) in summer 2012 using brackish water of the Caspian Sea. Prior to start of the experiment, post-larvae were gradually adapted to brackish water. The shrimp was stocked in a 1000 m2 earthen pond with a stocking density of 31 individual/m 2 . The earthen pond was in quarantine without discharge valve. During the rearing period, there was no water exchange. The shrimp was reared for 85 days. The average daily growth, final mean weight, feed conversion ratio and final yield were 0.31±0.04 g, 21.11±0.71 g, 0.79 and 531 kg, respectively. The results showed that L. vannamei can growth well in brackish water of Caspian Sea (salinity of 11.1±0.7 ppt and temperature of 28.67±0.72 °C) in Mazandaran province from July to September.
    Description: Published
    Keywords: Litopenaeus vannamei ; White shrimp ; Feasibility ; Brackish water ; Culture ; Water
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.175-182
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  • 8
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    Economic and social assessment of trout fish farming in floating cages in Mazandaran province (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: This study aimed to assess the social, economic and fish farming in cages in the Southern Caspian Sea. The Caspian Sea is considered as one of the most important water resources of Iran, in which due to the appropriate weather conditions in the north of the country, has the potential for marine aquaculture. With the implementation of this plan would say that with respect to the proposed initial selection from Kheshtsar in Mazandaran province and Kiashahr in Guilan province with along coastline of about 250 km from the depth of 20 to 100 meters and an the area of about 2027km2 has the cage aquaculture talent. Of course, at the depths of greater than 100 M by using the world technology procedure, there is also the possibility of the establishment of marine cage aquaculture. Now, with the regards of the above potential in the Caspian Sea coastline, it is expected at least 200 cages fish sites farming in with the establishment of 40 cages per site and produce 160,000 tons with creating of 1,000 direct jobs and 2,000 indirect jobs and income 2000 billion gross annual average net profit of 40% could be 800 billion in which will produce of proteins needed part of the country, creating jobs, welfare, prosperity and economy in the region. With the implementation of such national project, it is needed to establish pilot farms to reach the goals: environmental assessment studies, risk assessment, aquatic selection and the use of appropriate cage structures according to ecological conditions of southern Caspian Sea.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Cage ; Economic activity ; Profitability ; Rainbow trout ; Fish farming
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 46pp.
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  • 9
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    Quantitative Evaluation and Identification of Fungi in Shahid Rajaeii Dam Lake , Mazandara Province (Sari) (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: The present study is carried out to investigate the fungal species present in water of Shahid Rajaeii damlake in Sari, (Mazandaran province). Samples were taken from five stations including, Station 1: Input of Shirinrud river, station 2: Input of Sefidrud river, Station 3: The confluence of the two branches, Station 4: dam crest and stations 5: Output dam from June to February 2012. Every sample was diluted by sterile saline (10-1 and 10-2) and 0.5 mL from each dilution was cultured on SD and incubated at 27-30°C for 3-5 days. Finally, the number of colonies wasrecorded as (colony forming unit = CFU) per 100 mL. Identification of fungal agents were conducted by slide culture preparation and stained in lacto-phenol blue. The results showed that in August and February were significantly highest and lowest rates of fungal colonies were isolated from water in different stations respectively. Moreover, the number of fungal colonies in the crown and the output was significantly higher than other stations. The frequency of identified fungi were: Aspergillus species (31.4%), various types of yeast (mainly Candida) (24.2%), Penicillium sp. (19.3%), Cladosporium sp.(10.3%), Mucor sp. (5.4%), Fusarium sp. (2.9%), sterile hype (2.8%), Alternaria sp. (2.3%) and Paecilomyces sp. (1.4%).
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Evaluation ; Identification ; Fungi ; Fungal ; Species ; Samples ; Aspergillus ; Penicillium sp. ; Cladosporium sp. ; Mucor sp. ; Fusarium sp. ; Alternaria sp. ; Paecilomyces sp.
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 42pp.
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