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  • 1
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    The survey on aquaculture capacity of Ghar-khatlo dam reservoir in Zanjan province (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Qhar-khetlu dam reservoir is in the central part of Ijrud city of Zanjan province with a reservoir volume of 500000 and a water volume of 900000 cubic meters, covering an area of 6 hectares and containing 3500 hectares of the watershed in order to control seasonal floods, drinking water in the village, strengthening the aquifers of the area and As a water supply in the dry seasons, 120 hectares of agricultural land was planted for irrigation.Study of this water source with the aim of measuring biological and non-biological factors, determination of aquaculture production and Fish release capacity and fishing capacity for optimal use of fishery management in Zanjan province was done in 2006.The results of hydrochemical analysis of the water of Qharkhetlu dam reservoir showed that the minimum and maximum temperature of water ranged from 4.5 to 26 ° C, the pH of the water was 4.7 to 8.8, the dissolved oxygen was 7.7 to 12.2 mg, the total water hardness fluctuation was 154 194 mg / L and electrical conductivity of 272 to 390 micrometers per square centimeter, the water transparency was 25 to 380 centimeters.In this study, six phytoplankton classes with 31 genera and 3 classes of zooplankton with 14 genera were obtained. The abundance of phytoplanktons was counted from 150,000 to 206,000 per liter, and the average chlorophyll a, 1.10 micrograms, was estimated. The frequency of zooplanktons were 32 to 132 per liter, as well as the mean of 544 per square meter of macrobenthos.By comparing of the physical, chemical and biological factors and also the results of previous studies of this water source, the conditions for the introduction of warm water and cold water fishes including silver carp, big head carp, rainbow trout out and native fishes including species of Barbus and Capoeta genera are suitable. Estimation of Qhar-khetlu dam reservoir production is 80 kg / ha and its production capacity is 484 kg per year.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Fish Production ; Survey ; Aquaculture ; Transparency ; Zooplankton ; Phytoplankton ; Barbus ; Capoeta genera ; Chlorophyll a
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 70pp.
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  • 2
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    Providing brood stocks of Caspian trout (Salmo trutta caspius) from Mazandaran Rivers and production of one hundred thousand fries (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Caspian trout (Salmo trutta caspius) is one of valuable fishes of the Caspian sea for people living in the Northern coastal area of Iran. Since fish stock and natural resources protection is one the Iranian fisheries research objectives, the most activity on Caspian trout rehabilitation was focused on releasing thousands of smolts in the rivers discharge to Caspian Sea. Catch statistics of this species has declined over last decades thus this study on quality of provided brood stocks and producing fries with suitable quality can help rehabilitation and rearing of this valuable species. Several rivers were considered for providing brooders to keep genetic resources variety of sea stocks. In spawning season 25 (9 male, 16 female) and 30 (5 male, 25 female) brooders were collected from fishermen in Mazandaran rivers and Gyilan coasts provinces respectively. After propagation and larvae rearing, 11500 (10-15 g.) and 50000 (less than 10 g.) juveniles were released in Gyilan and Mazandaran rivers respectively.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Caspian trout ; Salmo trutta caspius ; Brood stocks ; Rehabilitation ; Fisheries ; Species ; Rearing ; Genetic ; Propagation ; Juvenile
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 32pp.
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  • 3
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    Several fish species carp culture with Chinese black carp to increase diversity in warm water fish farms (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: The objective of this study was to investigate the effects of black carp introduction in chines carp poly culture as well as its effect on the growth, survival rate and production of chines carp species. This study conducted in two consecutive year. The period of culture in first year was during Jun 1 until Des 5 ,2009 and in second year it was from Jun 4 to Dec, 1,2010 .The experiment were started by selecting 9 earth end pond each with 800 m2 area and was performed in triplicate with 2 treatment and one control , each year .The ponds were treated by liming and fertilizer before filling water and then stocked with 3000 chines carp ( 140 Silver carp , 42 Grass carp , 42 Common carp and 25 Bighead carp ) while the number of Black carp in treatments 1, 2, 3 and 4, respectively, 250, 500, 75 and 125 pieces in Ha, blackcap was added to the control species respectively . The number of fish species harvested at end of culture in treatment 1, 2 and control .The total fish species harvested at the end of first year was 2276 out 1904 species released. The number of fishes catch in treatment 1,2 and control were 637,658and 573 species. the statistical analysis showed that average weight of black carp were 407±150 gr in treatment 1, 234±121gr in treatment 2 with the minimum and maximum weight of 242 and 780 gr in first treatment as well as 110 and 750 gr in second treatment the production of black carp in first treatment were 42 kilogram per hectare and 60 kilogram in second treatment. The growth rate were higher in second treatment than first one. In second year the investigation repeated in triplicate with treatment3, 4 and one control .The total stocking density in treatment 3,4 and control were 665,633, and 574 pieces. Statistical analysis showed that total weight of black carp in third treatment was2049 ±614gr and in forth treatment was 2361 ±60 gr where the minimum and maximum values were 3115 gr and 1025 gr respectively. The survival rat of black carp in treatment3 higher than in were treatment 4 while the growth in treatment 4 was higher treatment3.The total production of black carp in treatment 3 and 4 were 123 and 181kilogram per hectare respectively. The ANOVA test conducted for grass carp revealed that treatment 4 is significantly difference with treatment 3 and control. While for silver carp the treatment 4 is significantly difference with treatment 1 and control while for Big head carp the treatment 4 was significantly difference with control at 5% level (P〈 %5) .On second year the black carp reached to acceptable market size which could be compatible with other carp such as common carp and grass carp comparative analysis between different stocking density indicate that the stocking density with 125 pieces showed the highest positive effects.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Fish ; Species ; Carp culture ; Chinese black carp ; Diversity ; Warm water ; Growth ; Survival rate ; Silver Carp ; Grass carp ; Common carp ; Bighead carp ; ANOVA
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 111pp.
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  • 4
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    Biological study and population dynamics of Carassius auratus gibelio in Anzali Lagoon (2018)
    Details
    Publication Date: 2021-05-19
    Description: Considering the reduction of valuable commercial fish in Anzali lagoon during last decades and presence of the silver crucian carp with high frequency; the research project or 'Biological aspects and population dynamics or Carassius auratus" was designed. The study area was stratified to four regions (Abknar, Siah-keshim, Markazi and Sheyjan). Sampling were carried out bi-weekly by using electro-shocker. The mean fork length and mean weight for both sexes were measured 19.5±5.8 cm, and 196.8±137.4 g respectively. Also, the mean age was estimated 2.6±1.3 years (n=750) and minimum and maximum fork length were measured 2.5 and 31.5 cm respectively. The mean length, weight and the age of silver crucian carp in Siah-keshim region were higher than the other regions. The spawning season of this species was found from May to June. The results showed a sex ratio of F:M=99.3:0.7. Some calculated population parameters were as follows: exploitation rate = 0.47, L∞ = 36.0 cm and K = 0.23 per year.
    Description: Published
    Keywords: Biological ; Commercial ; Population ; Carassius auratus gibelio ; Fish ; Silver crucian carp ; Carassius auratus ; Sampling ; Length ; Age ; Weight ; Spawning ; Species ; Sex ratio
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.57-70
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  • 5
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    The effects of glucan on hematological parameters, immune response and intestinal microbiota of Rutilus frisii kutum fry (2017)
    Details
    Publication Date: 2021-05-19
    Description: The purpose of this study was to determine the effect of dietary glucan on some haematological parameters, immune response and intestinal microbiota of Rutilus frisii kutum. In the present study, various levels of ingredient so called Hoplit (0, 0.5, 1.0, 1.5, and 2.0%) containing glucan was added to a basal formulated diet. Twenty and five kutum fry with a mean (±SD) weight of 1.15±0.06g were stocked in each experimental tank (100 l capacity) filled with 80 liter of water. Fish were fed on experimental diet for 56 days and biometry was performed every 15 days. At the end of the trial blood samples were collected for measurement of haematological parameters including: Red and white blood cells count, differential count of white blood cells, hematocrit and hemoglobin, and innate immune factors (Immunoglobulin and Lysozyme). Fries in 1.5% treatment had highest serum immunoglobins (Ig) and eosinophil, although when compared with control but with no significant differences. Highest MCHC, hematocrit and hemoglobin were observed in the 0.5 and 1% treatments and the highest MCV and red blood cell count were in 0.5 percent treatment. The highest white blood cells count and neutrophils was observed in 2% treatment. The highest and lowest levels of lysozyme activity were observed in 1% and control treatments, respectively. Evaluation of the total bacteria and LAB counts revealed significant increase in 0.5% treatment. According to these results administration of dietary glucan can be considered for stimulation of innate immune response of white fish fry.
    Description: Published
    Keywords: Rutilus frisii kutum ; Hematological ; Parameters ; Immune ; Responses ; Blood ; Fish
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.73-84
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  • 6
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    Sperm bank creation of Caspian Sea trout (Salmo trutta caspius) breeders (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: The Caspian Sea trout (Salmo trutta caspius) is distributed in southern basin of the sea and the natural stocks of this fish is critically endangered. The present study was conducted through the breeding seasons of Caspian Sea trout in January 2012. Estimation of sperm male potential was carried on samples collected from a total of 12 male spawners which included 8 samples (caught 3 years ago) and 4 samples (freshly caught). Semen samples were collected after anesthetized with clove powder for 10 minutes at water temperature of 9-9.4 °C. The differences of mean semen volumes, sperm motility time, sperm density and the percentage of sperm motility from freshly caught spawners ( 5.5 ± 3.4 ml , 35.5 ± 8.7 sec , 4.3 ± 0.7 ×109 ml-1 , 32.5 ± 8.5% respectively) were significantly higher than 3 years caught spawners (1.5 ± 0.93 ml, 26.5 ± 12.8 sec , 1.98 ± 1.6 ×109 ml-1 , 25.7 ± 9.7 % respectively) (P 〈 0.05). Also the results showed that there are not significant differences in mean percentage of motility and motility duration between freshly caught sperm from fresh broods and that’s from previously caught (among fresh sperm samples, one, three and eight months of cryopreservation) (P 〉 0.05).
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Sperm cryopreservation ; Percentage of motility ; Sperm bank ; Salmo trutta caspius ; Breeding ; Samples ; Spawners ; Temperature
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 31pp.
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  • 7
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    Investigation of nutritional requirements of Caspian Roach (Rutilus rutilus caspicus nipowitschi) fingerling (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Experiments were conducted to evaluate the effects of different dietary levels of protein (%30,%35,%40,%45) , fat (%8,%12,%16,%20) and total energy (3500,4000,4500,5000 kcal/kg ) on growth of fingerling Roach (Rutilus rutilus caspicus knipowitschi ) in four treatments with triplicates. The crude protein of experiment, fish averaged 2.60 gr stoking density of 25 fish/tank in a during of 57 days, the crude fat of experiment, averaged 5.30 gr stoking density of 15 fish/tank in a during of 67 days and the gross energy of experiment, averaged 5.30 gr stoking density of 25 fish/tank in a during of 57 days which reared into 100L-fiber glass tanks. At the end of each experiments, growth average parameters, such as weight gain(%), specific growth rate, food conversion ratio, condition factor and survival (%) were not significantly different among all treatments (P〉0/05) but protein efficiency ratio showed in fish fed of %30 and %35 protein at levels significantly different with another treatments (P〈0/05). In all of experimentes, significant difference was found whole-body protein, lipid contents of fish fed the different dietary protein, lipid and energy levels indicated that significant difference among of treatments. As regards the economics of feeding and effective protein utilization, the dietary containing %30, %16 fat levels and total energy 5000 kcal/kg would be suitable to growth roach fingerling.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Nutritional ; Protein ; Fat ; Energy ; Growgh ; Fish roach ; Rutilus rutilus caspicus knipowitschi ; Fingerlings ; Survival ; Lipid ; Feeding
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 58pp.
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  • 8
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    Reproductive Maturation of sub adult Indian Carps in Earthen ponds (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Carp culture in extensive and semi-extensive systems: i.e., earthen ponds, natural and semi-natural water resources, reservoirs and the paddy field has widspred distribution. Indian major carps including Catla (Catla catla), Roho (Labeo rohita), Mrigal (Cirrhinus mirgala) which have faster growth and good feed value than other warm water fishes introduced to many countries including India, Thailand, Burma, Philippines, Japan and the former Soviet Union are also considered and are reared. Sex steroids are important in the control of reproduction in fish. Development of methods for Indian education programs for proliferation requires knowledge of the hormonal changes during sexual maturation and spawning is. Testosterone, progesterone and 17 ϐ-estradiol are steroid hormones that play an important role in controlling Tuesday reproduction and sexual maturity of the fish are. This study aimed to investigate the changes in steroid hormones testosterone and 17 beta-estradiol including Catla (Catla catla), Roho (Labeo rohita), Mrigal (Cirrhinus mirgala) were conducted in different seasons. 40 specimen of carps breeders were investigated in southern (Aquaculture Research Institute) and north (North Aquaculture Research Institute) of Iran and maintained in different seasons (spring, summer, autumn, winter). Fish were caught by netting vetch and spring 1 cm. Blood samples were collected from the fish caudal blood serum by centrifugal separation model Labofuga 200 was made in Germany. Testosterone, and estradiol RIA (Radioimmunoassy) using an automatic gamma counter LKB model made in Finland made in France using the Immunotech kit hormone were measured. The results showed that the average level of 17 betaestradiol in the female in the spring, summer, autumn and winter, respectively, 82/12 ± 75/107, 66/13 ± 2/80, 73/17 ± 8/122 and 72/17 ± 25/104 ml, respectively. Mean testosterone levels in the female in the spring, summer, autumn and winter, respectively, 004/0 ± 092/0, 002/0 ± 05/0, 003/0 ± 11/0 and 006/0 ± 1/0 ng ml, respectively. Overall, the highest levels of 17 beta-estradiol and testosterone in female Roho were recorded in autumn. Also, low levels of 17 beta-estradiol and testosterone in female Roho was observed in summer. Highest and lowest levels of the male hormone, respectively, were recorded in winter and spring. The relationship between the hormone 17 beta-estradiol and testosterone with environmental factors such as pH and dissolved oxygen were discussed. there was a positive correlation between testosterone levels in males only the amount of dissolved oxygen .results revieled that sex hormone levels were increased during winter and autumn would be the signe for reproductive performance and spawning seasone in three species .
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Catla catla ; Labeo rohita ; Cirrhinus mirgala ; Carp culture ; Spawning ; Adult ; Indian Carp ; Earthen ponds
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 57pp.
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  • 9
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    Several fish species carp culture with Chinese black carp to increase diversity in warm water fish farms (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25447 | 18721 | 2018-09-25 18:12:04 | 25447 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: The objective of this study was to investigate the effects of black carp introduction in chines carp poly culture as well as its effect on the growth, survival rate and production of chines carp species. This study conducted in two consecutive year. The period of culture in first year was during Jun 1 until Des 5 ,2009 and in second year it was from Jun 4 to Dec, 1,2010 .The experiment were started by selecting 9 earth end pond each with 800 m2 area and was performed in triplicate with 2 treatment and one control , each year .The ponds were treated by liming and fertilizer before filling water and then stocked with 3000 chines carp (140 Silvercarp, 42 Grass carp , 42 Common carp and 25 Bighead carp) while the number of Black carp in treatments 1, 2, 3 and 4, respectively, 250, 500, 75 and 125 pieces in Ha, blackcap was added to the control species respectively . The number of fish species harvested at end of culture in treatment 1, 2 and control .The total fish species harvested at the end of first year was 2276 out 1904 species released. The number of fishes catch in treatment 1,2 and control were 637,658and 573 species. the statistical analysis showed that average weight of black carp were 407±150 gr in treatment 1, 234±121 gr in treatment 2 with the minimum and maximum weight of 242 and 780 gr in first treatment as well as 110 and 750 gr in second treatment the production of black carp in first treatment were 42 kilogram per hectare and 60 kilogram in second treatment. The growth rate were higher in second treatment than first one. In second year the investigation repeated in triplicate with treatment3, 4 and one control. The total stocking density in treatment 3,4 and control were 665,633, and 574 pieces. Statistical analysis showed that total weight of black carp in third treatment was2049 ±614gr and in forth treatment was 2361 ±60 gr where the minimum and maximum values were 3115 gr and 1025 gr respectively. The survival rat of black carp in treatment 3 higher than in were treatment 4 while the growth in treatment 4 was higher treatment 3. The total production of black carp in treatment 3 and 4 were 123 and 181 kilogram per hectare respectively. The ANOVA test conducted for grass carp revealed that treatment 4 is significantly difference with treatment 3 and control. While for silver carp the treatment 4 is significantly difference with treatment 1 and control while for Big head carp the treatment 4 was significantly difference with control at 5% level (P〈%5). On second year the black carp reached to acceptable market size which could be compatible with other carp such as common carp and grass carp comparative analysis between different stocking density indicate that the stocking density with 125 pieces showed the highest positive effects.
    Keywords: Aquaculture ; Iran ; Fish ; Species ; Carp culture ; Chinese black carp ; Diversity ; Warm water ; Growth ; Survival rate ; Silver Carp ; Grass carp ; Common carp ; Bighead carp ; ANOVA
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 111
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  • 10
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    Reproductive maturation of sub adult Indian carps in earthen ponds (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25522 | 18721 | 2018-10-05 08:01:41 | 25522 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: Carp culture in extensive and semi-extensive systems: i.e., earthen ponds, natural and semi-natural water resources, reservoirs and the paddy field has widspred distribution. Indian major carps including Catla (Catla catla), Roho (Labeo rohita), Mrigal (Cirrhinus mirgala) which have faster growth and good feed value than other warm water fishes introduced to many countries including India, Thailand, Burma, Philippines, Japan and the former Soviet Union are also considered and are reared. Sex steroids are important in the control of reproduction in fish. Development of methods for Indian education programs for proliferation requires knowledge of the hormonal changes during sexual maturation and spawning is. Testosterone, progesterone and 17 ϐ-estradiol are steroid hormones that play an important role in controlling Tuesday reproduction and sexual maturity of the fish are. This study aimed to investigate the changes in steroid hormones testosterone and 17 beta-estradiol including Catla (Catla catla), Roho (Labeo rohita), Mrigal (Cirrhinus mirgala) were conducted in different seasons. 40 specimen of carps breeders were investigated in southern (Aquaculture Research Institute) and north (North Aquaculture Research Institute) of Iran and maintained in different seasons (spring, summer, autumn, winter). Fish were caught by netting vetch and spring 1 cm. Blood samples were collected from the fish caudal blood serum by centrifugal separation model Labofuga 200 was made in Germany. Testosterone, and estradiol RIA (Radioimmunoassy) using an automatic gamma counter LKB model made in Finland made in France using the Immunotech kit hormone were measured. The results showed that the average level of 17 betaestradiol in the female in the spring, summer, autumn and winter, respectively, 82/12 ± 75/107, 66/13 ± 2/80, 73/17 ± 8/122 and 72/17 ± 25/104 ml, respectively. Mean testosterone levels in the female in the spring, summer, autumn and winter, respectively, 004/0 ± 092/0, 002/0 ± 05/0, 003/0 ± 11/0 and 006/0 ± 1/0 ng ml, respectively. Overall, the highest levels of 17 beta-estradiol and testosterone in female Roho were recorded in autumn. Also, low levels of 17 beta-estradiol and testosterone in female Roho was observed in summer. Highest and lowest levels of the male hormone, respectively, were recorded in winter and spring. The relationship between the hormone 17 beta-estradiol and testosterone with environmental factors such as pH and dissolved oxygen were discussed. there was a positive correlation between testosterone levels in males only the amount of dissolved oxygen .results revieled that sex hormone levels were increased during winter and autumn would be the signe for reproductive performance and spawning seasone in three species .
    Keywords: Aquaculture ; Iran ; Catla catla ; Labeo rohita ; Cirrhinus mirgala ; Carp culture ; Spawning ; Adult ; Indian Carp ; Earthen ponds
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 57
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