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  • SAABRON PRESS  (3)
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  • SAABRON PRESS  (3)
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  • 1
    Online Resource
    Online Resource
    SAABRON PRESS ; 2008
    In:  Israeli Journal of Aquaculture - Bamidgeh Vol. 60 ( 2008-1-1)
    In: Israeli Journal of Aquaculture - Bamidgeh, SAABRON PRESS, Vol. 60 ( 2008-1-1)
    Abstract: Spawning time, total fecundity, egg size, fertilization and hatching rates, and egg development of the flounder, Pleuronectes flesus luscus, were investigated in six wild female broodstock (mean wt 394.4±226.8 g). Spawning lasted 33 days from December 29 to January 30. Mean total fecundity was 171.4±109 x 103 eggs per female. Newly ovulated eggs were spherical and buoyant, with a diameter of 1.075-1.213 mm (avg 1.156±0.025 mm), a colorless transparent chorion, a slightly yellowish unsegmented yolk, and a narrow perivitelline space, without an oil globule. Fertilization and hatching rates were 17.2±15.7% and 51.5±27.6%, respectively. Hatching occurred after 117 h of incubation at 9.8-11oC. There were variations in egg size between batches, with the size tending to decrease during the spawning season (p 〈 0.05).
    Type of Medium: Online Resource
    ISSN: 0792-156X , 0792-156X
    Language: English
    Publisher: SAABRON PRESS
    Publication Date: 2008
    detail.hit.zdb_id: 291787-7
    detail.hit.zdb_id: 2542938-3
    SSG: 21,3
    Location Call Number Limitation Availability
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  • 2
    Online Resource
    Online Resource
    SAABRON PRESS ; 2012
    In:  Israeli Journal of Aquaculture - Bamidgeh Vol. 64 ( 2012-1-1)
    In: Israeli Journal of Aquaculture - Bamidgeh, SAABRON PRESS, Vol. 64 ( 2012-1-1)
    Abstract: The spermatologic characteristics of European flounder (Platichthys flesus luscus) were determined. Flounder were collected during the spawning season and sperm of eight males was extracted by abdominal massage. Body weight and total length of the flounder were measured, volume, motility, duration of motility, spermatocrit, density, and pH of the sperm were determined, and correlations between the spermatologic characteristics and weight and length were investigated. Mean values were 0.7±0.16 ml for sperm volume, 87.5±3.66% for motility, 22.0±1.49 min for duration of motility, 94.0±1.22% for spermatocrit, 2.7±0.16 × 109/ml for density, and 6.9±0.05 for pH. Body length and sperm volume had positive correlations with body weight (p 〈 0.01), but the correlation between length and sperm volume was negative (p 〈 0.01). Likewise, the correlations between spermatocrit and total length, sperm volume, and density were negative (p 〈 0.05).
    Type of Medium: Online Resource
    ISSN: 0792-156X , 0792-156X
    Language: English
    Publisher: SAABRON PRESS
    Publication Date: 2012
    detail.hit.zdb_id: 291787-7
    detail.hit.zdb_id: 2542938-3
    SSG: 21,3
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
  • 3
    Online Resource
    Online Resource
    SAABRON PRESS ; 2007
    In:  Israeli Journal of Aquaculture - Bamidgeh Vol. 59 ( 2007-1-1)
    In: Israeli Journal of Aquaculture - Bamidgeh, SAABRON PRESS, Vol. 59 ( 2007-1-1)
    Abstract: Spawning period, total fecundity, egg size, and fertilization and hatching rates of wild and hatch- ery-reared Black Sea salmon (Salmo trutta labrax Pallas, 1811) were investigated. Wild brood- stock consisted of 15 females (4-5 years old) with a mean weight of 1773.2±1014.4 g. Hatchery- reared broodstock consisted of 28 females (3 years old) with a mean weight of 869.5±319.6 g. The spawning period lasted from mid-November to the beginning of January. Mean total fecun- dity was 3524.6±2106.9 and 1931.3±915 eggs/female for wild and hatchery-reared broodstock, respectively, and mean egg diameters were 5.2±0.20 and 5.0±0.24 mm. Fertilization and hatch- ing rates were 98.4±1.71% and 88.1±8.78% for wild broodstock and 97.9±1.84% and 83.1±15.77% for hatchery-reared. The reproductive parameters of wild and hatchery-reared Black Sea salmon in northeastern Turkey were similar to those of other salmonid species.
    Type of Medium: Online Resource
    ISSN: 0792-156X , 0792-156X
    Language: English
    Publisher: SAABRON PRESS
    Publication Date: 2007
    detail.hit.zdb_id: 291787-7
    detail.hit.zdb_id: 2542938-3
    SSG: 21,3
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
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