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  • Iran  (15)
  • Hatchery  (4)
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  • 1
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    Study on brood stock management of Litopenaeus vannamei using imported post larvae (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publikationsdatum: 2021-05-19
    Beschreibung: In order to domesticate Litopenaeus vannamei as a solution to single species shrimp aquaculture of Penaeus indicus and to reduce risk of shrimp culture in emergency cases, this study was carried out. Initially the postlarvae reared from imported L. vannamei were cultured. After culture season the adult shrimps were transported to greenhouse ponds for wintering. It is then relocated to hatchery saloon. After eye stalk ablation and maturation the female brood stocks were introduced to matured male for copulation at ponds. During the study period, male and female shrimps attained full maturation at end – April by temperature over 25ºC, the copulation process was started significantly. Finally of the 12 instances of copulation, one instance resulted nauplii production. The best maturation was observed at 28 ֯C ±1 and salinity30 to 33PPT and pH of 8 to 8.3 Fresh sea worms and squid showed the highest effect on fecundity in brood stocks. Besides, the spring season was obtained to be the best period for brood stock production in Bushehr province.
    Beschreibung: Iranian Fisheries Science Research Institute
    Beschreibung: Published
    Schlagwort(e): Litopenaeus vannamei ; Brood stocks ; Larvae ; Species ; Shrimp ; Aquaculture ; Postlarvae ; L.vannamei ; Hatchery ; Maturation ; Nauplii ; pH ; Sea worm ; Squid
    Repository-Name: AquaDocs
    Materialart: Report , Refereed
    Format: 25pp.
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
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    Broodstock Management, Reproduction, Cryopreservation in salmoind, Genetic Management and Selective Breeding in Responsible Aquaculture (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publikationsdatum: 2021-05-19
    Beschreibung: This study was conducted to codify the guideline and indexes of broodstock management in salmonid fish and cryopreservation, selective breeding and sex reversal in hatchery to attain responsible aquaculture development. Cryopreservation includes of sperm and egg in term of economic is important in aquaculture. In this report mentioned the type and name of material. All female and sex reversal fish are produced by steroid hormone which mentioned in this report. Selective breeding include individual selection and family selection which could be used for genetic improvement of fish.
    Beschreibung: Iranian Fisheries Science Research Institute
    Beschreibung: Published
    Schlagwort(e): Economic ; Broodstock ; Reproduction ; Cryopreservation ; Genetic ; Breeding ; Aquaculture ; Salmonid fish ; Sex reversal ; Hatchery ; Sperm ; Egg ; Female ; Steroid hormones
    Repository-Name: AquaDocs
    Materialart: Report , Refereed
    Format: 46pp.
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
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    Broodstock management, reproduction, cryopreservation in salmonid, genetic management and selective breeding in responsible aquaculture (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25651 | 18721 | 2018-10-14 02:48:20 | 25651 | Iranian Fisheries Science Research Institute
    Details
    Publikationsdatum: 2021-07-16
    Beschreibung: This study was conducted to codify the guideline and indexes of broodstock management in salmonid fish and cryopreservation, selective breeding and sex reversal in hatchery to attain responsible aquaculture development. Cryopreservation includes of sperm and egg in term of economic is important in aquaculture. In this report mentioned the type and name of material. All female and sex reversal fish are produced by steroid hormone which mentioned in this report. Selective breeding include individual selection and family selection which could be used for genetic improvement of fish.
    Schlagwort(e): Aquaculture ; Biology ; Management ; Iran ; Broodstock ; Reproduction ; Cryopreservation ; Genetic ; Breeding ; Aquaculture ; Salmonid fish ; Sex reversal ; Hatchery ; Sperm ; Egg ; Female ; Steroid hormones
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 46
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  • 4
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    Probiotic administration of Litopenaeus vannamei: Is there any negative effect on the fatty acid profile of meat? (2021)
    In:  http://aquaticcommons.org/id/eprint/22708 | 18721 | 2018-05-16 19:03:07 | 22708 | Iranian Fisheries Science Research Institute
    Details
    Publikationsdatum: 2021-07-09
    Beschreibung: It has been found that appropriate probiotic applications increased growth performance and disease resistance in shrimp. Bacillus subtilis has been suggested as a potent probiotic in improving growth performance and enhancing immune response in white shrimp, Litopenaeus vannamei. The aim of this work was to evaluate the possible effect of B. subtilis administration on the meat fatty acid profile of white shrimp, L. vannamei. Two groups of shrimps received B. subtilis strains L10 and G1 from the B. subtilis-supplemented feed (10^5 and 10^8 CFU g^-1) while two other groups received it from the rearing water (10^5 and 10^8 CFU ml^-1). One group received no B. subtilis and served as control. According to the results, there was no significant difference between the muscle fatty acid profiles of shrimps administrated by probiotic and control group. This study showed that B. subtilis administration, in either diets or water, did not have any negative effect on fatty acid profiles of L. vannamei meat.
    Schlagwort(e): Aquaculture ; Biology ; Fisheries ; Probiotic ; Fatty acid ; Litopenaeus vannamei ; Nutrition ; Biology ; physiology ; Iran
    Repository-Name: AquaDocs
    Materialart: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 550-559
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
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    Effect of artemia density on cyst yields of fertilized ponds (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25088 | 18721 | 2018-08-22 06:46:47 | 25088 | Iranian Fisheries Science Research Institute
    Details
    Publikationsdatum: 2021-07-16
    Beschreibung: One of the effective factors in cyst production on Artemia culture ponds is the number of oviparous females and density of biomass in view of adult's weight per liter of ponds water. In this study, the effect of oviparous female's abundance (Reproductive Females lit^-1) on daily cyst yields with using the ANOVA and correlation Analytical method were assayed. The result indicated that, with presence the small number of oviparous females (less than five Ind lit^-1) and Artemia density (between 0/1 to 0/2g/ lit) on culture ponds, the cyst yields at first sixty days culture period (160 Kg.dw/ha) were more than yields that harvested at three months later (47 Kg.dw/ha) and on the second three months of cultural period despite of presence the larger number of oviparous females (more than twenty Ind/lit) and presence the same Artemia population density, the daily cyst yields was declined.(Sig=0.000).
    Schlagwort(e): Biology ; Iran ; Artemia ; Density ; Cyst ; Fertilized pond ; Females ; Biomass ; Weight ; ANOVA
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 40
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
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    The study of nutrition and feeding position of shrimp, cultured in IRAN (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25443 | 18721 | 2018-09-25 18:03:13 | 25443 | Iranian Fisheries Science Research Institute
    Details
    Publikationsdatum: 2021-07-16
    Beschreibung: The culture of Iranian Shrimps began in Bushehr in 1372. Early the green or the pink tiger shrimp (Penaeus semisulcatus) which were found in most habitats of the Persian Gulf and Oman Sea were considered in breeding and reproduction, but due to reproduction difficulties, it was rather replaced by the Monodun imported species, then the production of the white shrimp Metapenaeus affinis and Then P.merguensis in some southern areas of the country such as Hormozgan has began in small scale,but none of these species couldn't meet the economical needs of the consumer society and they were not indelible and dominant enough in the shrimp aquaculture industry of the country until breeding of Indian White Shrimp (Fenneropenaeus indicus) has began in large scale in the provinces of Khuzestan and Bushehr, which are seen as the heart of shrimps reproduction and breeding, and in Hormozgan and Sistan. the incidence of white spot viral syndrome (White Spot Syndrom Virus) led to the import of the western white leg shrimp from the USA (P.vannameii) by the Iranian Fisheries Research Organization (IFRO) in 1383, at the present all southern and northern breeding farms of the country (fundamental measures has been carried out in line of shrimp reproduction in Gorgan province in 1386) has put the breeding of this shrimp species as the single breeding species at top of their agenda. The subject of feeding the breeding shrimps is widespread and regarding to the non-proprietary species there are still some species which contain high protein than the other species in studying the different shrimp species requirements. In Iran due to the scarce factories producing the shrimp's food, the alimentary compound of the breeding shrimps during industrializing years of this type of breeding even after the non-aboriginal western white leg shrimp species being inclusive was stable and through different biological processes including: Naplies which feeds from its yalk and by entry into zoa stage start eating only small-sized phytoplankton. And by entry into the stage between zoa and mysis it feeds from phyto and zooplankton simultaneously and entering the post-larva stage it stars sarcophagi. and after 15 post-larva stage entering the growth and transition stage to earthen ponds feeding by concentrated industrial foods in large and small packages depending on young and adult mouth and due to feeding requirements of every stage the alimentary compound is nearly as follows: Digestible protein, energy, fat, carbohydrates, vitamins and minerals will start and the final product will be released in market Or they will be used in the later years of laying eggs and feeding for brood stock. In feeding section the details of every stage and their food's nutritional needs at each stage and will be fully described.
    Schlagwort(e): Aquaculture ; Iran ; Persian Gulf ; Oman Sea ; Hormozgan Province ; Bushehr Province ; Shrimp ; Food components ; Biological processes ; Nutrition ; Feeding ; Culture ; Tiger shrimp ; Penaeus Semisulcatus ; Breeding ; White shrimp ; Metapenaeus affinis ; Aquaculture ; White Spot Syndrome Virus ; Phytoplankton ; Zooplankton
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 178
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
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    Study of site selection for carp and trout fish species for responsible aquaculture possibility (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25538 | 18721 | 2018-10-05 15:45:55 | 25538 | Iranian Fisheries Science Research Institute
    Details
    Publikationsdatum: 2021-07-16
    Beschreibung: This survey carried out from 2012 to 2013 to study of suitable site selection for carp and trout fish species for responsible aquaculture possibility by data collection and literature study. During the survey ecological factors including physical and chemical factors, geological factors including topography and type of soil, biological factors including selection of species and control of invader animals, climatic factors, geographical factors and pollutant including heavy metals, agricultural pesticides Surfactants and crude oils were recognized. Also in comparing with standard levels suitable rate of each important factor in aquaculture were studied.
    Schlagwort(e): Aquaculture ; Iran ; Warm Water ; Fish ; Cold Water ; Ecological factors ; Biological factors ; Aquaculture ; Survey ; Carp ; Species
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 33
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  • 8
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    Optimum management of warmwater fish farms stocking, capacity determination, growth rate and brood stock managements and harvesting (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25559 | 18721 | 2018-10-06 12:08:40 | 25559 | Iranian Fisheries Science Research Institute
    Details
    Publikationsdatum: 2021-07-16
    Beschreibung: This study was conducted to codify the guideline and indexes of optimal management in warm-water fish farms to attain sustainable aquaculture which they are population density, species diversity, brood stock'smanagements, capacity determination, growth and harvesting managements in cultural ponds. As results, these guideline and indexes were codifies for these fish farms and propagation centers. It's obviously that these sustainable patterns can be used for improving of permanent development for this aquacultural industry.
    Schlagwort(e): Aquaculture ; Iran ; Brood stocks ; Warm Water ; Sustainable Aquaculture ; Population ; Density ; Species ; Diversity ; Growth ; Warmwater Fish Farms
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 45
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  • 9
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    Aquaculture code of conduct and mechanization management (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25608 | 18721 | 2018-10-07 16:48:51 | 25608 | Iranian Fisheries Science Research Institute
    Details
    Publikationsdatum: 2021-07-16
    Beschreibung: In this report rules and focal points about code of conduct for cold water farm, warm water establishment, mechanization management and oxygen generators are collected and discussed. One of the most important point difference between aquaculture engineering with mechanization. Mechanization is improvement of management level from ancient to better by some special tools but aquaculture engineering can do by any vessel in every management.
    Schlagwort(e): Management ; Iran ; Aquaculture ; Code ; Mechanization management
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 74
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  • 10
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    Apparent digestibility coefficients and nutritional value of Iranian cottonseed meal varieties for rainbow trout (Oncorhynchus mykiss) (2021)
    In:  http://aquaticcommons.org/id/eprint/22706 | 18721 | 2018-05-16 18:55:07 | 22706 | Iranian Fisheries Science Research Institute
    Details
    Publikationsdatum: 2021-07-09
    Beschreibung: Three different varieties of cottonseed meal (CSM) were evaluated to measure the apparent digestibility coefficient (ADC) of the nutrients using chromic oxide (Cr2O3) as an indigestible marker. Five experimental diets were prepared and mixed with 1% of Cr2O3, 2% of mineral and vitamin each of which were premixed. Diet 1 was used as the control diet. Diets 2, 3, 4 and 5 were formulated using 70% of the control diet together with 30% of each of the cottonseed meal Pak (CSMP), cottonseed meal Sahel (CSMS), cottonseed meal Akra (CSMA), and soya bean meal (SBM), respectively, in three replications. The ADC of the three CSM varieties was measured to be 53.8-62.7%, 60.2-66.6% and 75.6-82.4% for dry matter, fat and crude protein, respectively. Survival rate for all fishes used in this study was more than 98%. Fishes fed with the CSM diets were not significantly different compared with those fed with the SBM diet in terms of survival rate (p〉0.05). Apparent protein digestibility of CSMP and CSMS showed no significant difference with SBM (p〉0.05). Therefore, it could be concluded that two kinds of CSM could be used as a replacement for SBM in rainbow trout as a protein source.
    Schlagwort(e): Biology ; Fisheries ; Iranian Cottonseed meal varieties ; Soybean meal ; Apparent digestibility coefficients ; Rainbow trout ; Iran ; Oncorhynchus mykiss ; nutritional value
    Repository-Name: AquaDocs
    Materialart: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 522-529
    Standort Signatur Erwartet Verfügbarkeit
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