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Botero-Arango, J.; Castaño-Rivera, F.. |
An experimental group (N=7) of three females and four males of mutton snapper Lutjanus analis captured in the wild, whose gonadal development entered in a state of latency because of its confinement in the lab, was maintained under an artificial photothermal cycle of 10 months between October 2001 and July 2002 in order to unblock and estimulate again their sexual maturation. Another group of equal number of fish was used as a control, being maintained during the same time without manipulation of temperature and photoperiod parameters. After eight months the three females of the experimental group showed positive gonadal development signs, their oocyte mean diameters (Ø) reaching 122 ± 76; 86 ± 40; and 122 ± 87 µm respectively. During the tenth month one... |
Tipo: Journal Contribution |
Palavras-chave: Sexual maturity; Photoperiods; Sexual maturity; Http://aims.fao.org/aos/agrovoc/c_7016. |
Ano: 2005 |
URL: http://hdl.handle.net/1834/1992 |
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