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Influence of the larval rearing technique on morphological and productive traits of European sea bass (Dicentrarchus labrax L.)

2001; Wiley; Volume: 17; Issue: 5 Linguagem: Inglês

10.1046/j.1439-0426.2001.00286.x

1439-0426

Alessandra Roncarati, Adele Meluzzi, Paolo Melotti, Oliviero Mordenti,

Aquatic life and conservation

Journal of Applied IchthyologyVolume 17, Issue 5 p. 244-246 Influence of the larval rearing technique on morphological and productive traits of European sea bass (Dicentrarchus labrax L.) A. Roncarati, A. Roncarati Centro Universitario di Ricerca e Didattica in Acquacoltura e Maricoltura, University of Camerino, San Benedetto del Tronto (AP), ItalySearch for more papers by this authorA. Meluzzi, A. Meluzzi Dipartimento S. A. V. A., University of Molise, Campobasso, ItalySearch for more papers by this authorP. Melotti, P. Melotti Centro Universitario di Ricerca e Didattica in Acquacoltura e Maricoltura, University of Camerino, San Benedetto del Tronto (AP), ItalySearch for more papers by this authorO. Mordenti, O. Mordenti Istituto di Zootechnica, University of Bologna, Bologna, ItalySearch for more papers by this author A. Roncarati, A. Roncarati Centro Universitario di Ricerca e Didattica in Acquacoltura e Maricoltura, University of Camerino, San Benedetto del Tronto (AP), ItalySearch for more papers by this authorA. Meluzzi, A. Meluzzi Dipartimento S. A. V. A., University of Molise, Campobasso, ItalySearch for more papers by this authorP. Melotti, P. Melotti Centro Universitario di Ricerca e Didattica in Acquacoltura e Maricoltura, University of Camerino, San Benedetto del Tronto (AP), ItalySearch for more papers by this authorO. Mordenti, O. Mordenti Istituto di Zootechnica, University of Bologna, Bologna, ItalySearch for more papers by this author First published: 12 January 2002 https://doi.org/10.1046/j.1439-0426.2001.00286.xCitations: 8Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Abstract The productive performances and morphological traits of 60 000 Dicentrarchus labrax L. weighing 2.4 ± 0.6 g and obtained from intensive rearing were compared with 60 000 sea bass of the same age (110-day-old) weighing 2.1 ± 0.7 g obtained from a fish farm using the mesocosm technique during the larval phase. The trial lasted throughout the fattening period until harvest. Fish from the mesocosm system (SB-II) had a better final survival rate (69%) in comparison to those obtained from the intensive larval system (64.2%) (SB-I). No significant differences emerged between the two groups concerning the specific growth rate (SGR) or the feed conversion ratio (FCR). Although the weights were the same as the SB-I group, the final total length result was higher in the SB-II group (P < 0.0001). As for the other morphological traits, the standard length was significantly higher in the SB-II fish, while the maximum body depth showed similar values in the two batches. The greatest abdominal circumference was recorded in SB-I fish. References 1 Barnabé, G., 1990: Rearing bass and gilthead bream. In: Aquaculture. Ed: G. Barnabé, Ellis Horwood, New York. pp. 647–686. 2 Beckman, W. 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