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  • Rainbow trout  (4)
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Erscheinungszeitraum
  • 1
    Publikationsdatum: 2021-05-19
    Beschreibung: In many species of finfish, females exhibit higher growth rates than males and achieve larger sizes. In addition, in some species, males mature before reaching marketable size. Therefore, there is great interest from the fish farmers to produce all-female stocks. In this project tried to reversing the sex of rainbow trout larvae by 17 estradiol and direct method, further more finding the optimum dose of this natural estrogen for endocrine sex reversion of Rainbow trout (O. mykiss). Four experimental treatments were designed with doses of 10, 20, 30 and 40 mg/kgf. Trout which treated with 40 mg/kgf yielded 96% female and greatest growth.
    Beschreibung: Iranian Fisheries Science Research Institute
    Beschreibung: Published
    Schlagwort(e): Rainbow trout ; Sex control ; Gonad ; 17-B Estradiol ; Species ; Finfish ; Females ; Males ; Growth ; Mature ; Larvae ; O.mykiss
    Repository-Name: AquaDocs
    Materialart: Report , Refereed
    Format: 32pp.
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 2
    facet.materialart.
    Unbekannt
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25113 | 18721 | 2018-08-23 06:07:06 | 25113 | Iranian Fisheries Science Research Institute
    Publikationsdatum: 2021-07-16
    Beschreibung: Anaesthetic effects of essence, water and water-alcohol extractions of clove oil were studied in rainbow trout (Oncorhynchus mykiss), common carp (Cyprinus carpio), Persian sturgeon (Acipenser persicus) and Penaeus semisulcatus under various water quality conditions consisting of water temperature, pH and salinity. The obtained results showed that both water and water alcohol extractions had no anaesthetic effect at concentration upto 2000 mg/L whilst, essence could aet as a suitable anaesthesia at 〉50 mg/L. The most suitable anaesthic effect by essence in rainbow trout was 250 mg/L provided at 5 C and pH 7. Also, clove oil essence showed the best anaesthetic effect in carp under water quality conditions consiting of water temperature at 25 C and pH 7-8 or water temperature at 30 C and pH 9. In addition, clove oil essence at 75 mg/l and 12 mg/L gave the best anaesthetic and sedation effects in Persian sturgeon provided at 21-23 C and pH 8.3, respectively. Furthermore, clove oil essence at concentrations above 50 mg/L was able to act as an anaesthesia in P. semisulcatus. However, the best anaesthetic concentration was depended on water quality conditions consiting of water temperature, pH and salinity.
    Schlagwort(e): Biology ; Iran ; Clove oil ; Rainbow trout ; Common crap ; Persian sturgeon ; Penaeous semisulcatu ; Water quality ; Oncorhynchus mykiss ; Acipenser persicus ; Cyprinus carpio
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 43
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 3
    facet.materialart.
    Unbekannt
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25308 | 18721 | 2018-09-08 16:30:57 | 25308 | Iranian Fisheries Science Research Institute
    Publikationsdatum: 2021-07-16
    Beschreibung: In many species of finfish, females exhibit higher growth rates than males and achieve larger sizes. In addition, in some species, males mature before reaching marketable size. Therefore, there is great interest from the fish farmers to produce all-female stocks. In this project tried to reversing the sex of rainbow trout larvae by 17 estradiol and direct method, further more finding the optimum dose of this natural estrogen for endocrine sex reversion of Rainbow trout (O. mykiss). Four experimental treatments were designed with doses of 10, 20, 30 and 40 mg/kgf. Trout which treated with 40 mg/kgf yielded 96% female and greatest growth.
    Schlagwort(e): Biology ; Iran ; Rainbow trout ; Sex control ; Gonad ; 17-B Estradiol ; Species ; Finfish ; Females ; Males ; Growth ; Mature ; Larvae ; O.mykiss
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 32
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 4
    Publikationsdatum: 2021-05-19
    Beschreibung: Anaesthetic effects of essence, water and water-alcohol extractions of clove oil were studied in rainbow trout (Oncorhynchus mykiss), common carp (Cyprinus carpio), Persian sturgeon (Acipenser persicus) and Penaeus semisulcatus under various water quality conditions consisting of water temperature, pH and salinity. The obtained results showed that both water and water alcohol extractions had no anaesthetic effect at concentration upto 2000 mg/L whilst, essence could aet as a suitable anaesthesia at 〉50 mg/L. The most suitable anaesthic effect by essence in rainbow trout was 250 mg/L provided at 5 C and pH 7. Also, clove oil essence showed the best anaesthetic effect in carp under water quality conditions consiting of water temperature at 25 C and pH 7-8 or water temperature at 30 C and pH 9. In addition, clove oil essence at 75 mg/l and 12 mg/L gave the best anaesthetic and sedation effects in Persian sturgeon provided at 21-23 C and pH 8.3, respectively. Furthermore, clove oil essence at concentrations above 50 mg/L was able to act as an anaesthesia in P. semisulcatus. However, the best anaesthetic concentration was depended on water quality conditions consiting of water temperature, pH and salinity.
    Beschreibung: Iranian Fisheries Science Research Institute
    Beschreibung: Published
    Schlagwort(e): Clove oil ; Rainbow trout ; Common crap ; Persian sturgeon ; Penaeous semisulcatu ; Water quality ; Oncorhynchus mykiss ; Acipenser persicus ; Cyprinus carpio
    Repository-Name: AquaDocs
    Materialart: Report , Refereed
    Format: 43pp.
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
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