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Reproductive Characteristics and Egg Development in Flounder (Pleuronectes flesus luscus) in the Southern Black Sea
|Title:||Reproductive Characteristics and Egg Development in Flounder (Pleuronectes flesus luscus) in the Southern Black Sea|
|Keywords:||flounder, Pleuronectes flesus luscus, fertilization, fecundity, egg diameter, egg development|
|LC Subject Headings:||Fish culture--Israel--Periodicals.|
|Publisher:||Israeli Journal of Aquaculture - BAMIGDEH|
|Citation:||Sahin, T., Gunes, A., Aydin, I., & Polat, M. (2008). Reproductive Characteristics and Egg Development in Flounder (Pleuronectes flesus luscus) in the Southern Black Sea. The Israeli Journal of Aquaculture - Bamidgeh, 60(1), 20-26.|
|Series/Report no.:||The Israeli Journal of Aquaculture - Bamidgeh|
|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).|
|Appears in Collections:||IJA Volume 60, Issue 1, 2008|
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