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handle: 10261/315681 , 10508/704
En este trabajo se muestran los datos preliminares obtenidos en el Centro Oceanográfico de Vigo, del Instituto Español de Oceanografía (IEO), referidos a la reproducción, cultivo larvario y engorde de juveniles de centolla Maja squinado Herbst, 1788 a lo largo de los años 2000 y 2001. Se obtuvieron de 3 a 5 puestas de cada hembra estabulada. El cultivo larvario se realizó en dos sistemas: intensivo y semiextensivo; la supervivencia larvaria en el primero osciló entre 8 y 13% al mes de vida. A partir de los 50 días de edad, los juveniles procedentes del cultivo semiextensivo presentaron un crecimiento elevado alcanzando, a los 9,5 meses, una longitud de caparazón de 65,48 ± 7,53 mm y una supervivencia del 66 %. Sin embargo, los del cultivo intensivo alcanzaron solamente 32,13 ± 7,86 mm y una mortalidad del 100 % a la misma edad.
Preliminary data on reproduction, larval culture and growth of juveniles of spider crab Maja squinado , Herbst 1788 are given. Data were obtained from culture trials carried out during 2000 and 2001 at the Instituto Español de Oceanografía (IEO) in Vigo (northwest Spain). Each female spawned 3 to 5 times. Larval culture was carried out using intensive and semi-extensive systems; in the case of the former, the lar- vae survival rate ranged from 8-13 % during the first month of life. As to the semi-extensive system, the growth rate of 50-day-old juveniles was high, reaching a carapace length of 65.48 ± 7.53 mm, with a sur- vival rate of 66 % at 9.5 months. However, at the same age, those from the intensive system had reached on- ly 32.13 ± 7.86 mm, with a mortality of 100 %.
Larval rearing, Acuicultura, cultivo larvario, centolla, Centro Oceanográfico de Vigo, engorde, Reproduction, Spider crab, maja squinado, Cultivo larvario, Growth, reproducción
Larval rearing, Acuicultura, cultivo larvario, centolla, Centro Oceanográfico de Vigo, engorde, Reproduction, Spider crab, maja squinado, Cultivo larvario, Growth, reproducción
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