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Fraga, I.; Reyes, R.; Ortega, N.; Regueira, E.; Font, R.; Bravo, A.. |
In order to establish the management methods in snook Centropomus undecimalis (Bloch, 1792) broodstock (initial average weight 960 g), during 18 month three phases were developed. Fishes were marked, measured, weighed and distributed in 5 m3 fiber glass tanks (stock density 1.3 kg/m3). In the first phase (3 month), different feeding schedules were applied: 1. feeding in alternate days; 2. feeding every day excluding weekends; 3. feeding twice a day. Before maturation phase and during three month, enriched semi humid food was supplied. Finally, during 12 month, artificial feed was supplied. The appetite dynamics in fishes was influenced by the feeding schedule applied. When food was offered in alternate days, higher consumption was observed. Females showed... |
Tipo: Proceedings Paper |
Palavras-chave: Fish culture; Feeding; Brood stocks; Fish culture; Feeding; Http://aims.fao.org/aos/agrovoc/c_2918; Http://aims.fao.org/aos/agrovoc/c_2838. |
Ano: 2006 |
URL: http://hdl.handle.net/1834/2077 |
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Reyes Canino, R.; Sánchez, R.; Regueiras, E.; Ortega, N.. |
Para lograr desoves de huevos de alta calidad es imprescindible contar con un banco de reproductores sanos y desarrollo sexual adecuado. En la obtención de animales sanos, uno de los aspectos más importantes a tener en cuenta en el mantenimiento y manipulación están, en primer lugar, el uso de técnicas de captura eficiente que son las causantes de la primera situación aguda estresante. En este trabajo se estudió la incidencia de tres tipos de artes de pesca (chinchorro, red de agallas y arte de sitio) sobre la supervivencia de los robalos dentro de las 72 horas de capturados, producto del estrés causado por el arte. En todos los casos se colectaron individuos sanos solamente (sin heridas, daños, pérdidas de escamas y mucus). El arte de sitio... |
Tipo: Preprint |
Palavras-chave: Fishing gear; Fishing gear; Http://aims.fao.org/aos/agrovoc/c_2946. |
Ano: 2005 |
URL: http://hdl.handle.net/1834/3985 |
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