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This crucial new e-book brings jointly rising wisdom at the major organic features and aquaculture creation concepts for the numerous species cultured worldwide. Edited through best specialists within the box, chapters were written by means of across the world identified and revered scientists from around the globe. With info of every significant cultured species incorporated, the booklet comprises commercially vital details for a wide and becoming section of the aquaculture undefined, in addition to these operating in businesses delivering the aquaculture exchange with gear, and all aquaculture scholars and researchers.
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Extra info for Sparidae: Biology and aquaculture of gilthead sea bream and other species
Integrated companies, which produced their own juveniles for ongrowing, have been shown to have a financial advantage (University of Stirling 2004). Significant cost reductions have been achieved during the last years, for example, in feeding management by the incorporation of automatic and demand feeders. Further gains are likely to be realized more slowly, and probably to come from a reduction in overheads through economies of scale and the merging or association of smaller farms with larger companies, a trend that is seen in Spain and Greece.
In terms of aquaculture production, between 200 and 400 mtn of sharpsnout sea bream have been reported annually in Italy between 1997 and 2003 (FAO-FishStatPlus 2008). Although FAO statistics do not report outputs for the period 2004–2006, the FEAP provided data on an annual production of about 4 million juveniles per year in Greece between 2006 and 2008, and statistics from the European Commission reported the production of 159 mtn of this species in 2007 in Italy. There is also information on commercial trials from fish farms in Italy and Greece during the 1990s (Kolios et al.
Feeding systems), increasing stocking densities or increasing of cage number and sizes (Karagiannis & Katranidis 2000; Gasca-Leyva et al. 2003; Koc¸ak & Tathdil 2004; Garc´ıa-Garc´ıa et al. 2005; Merinero et al. 2005; Mart´ınez et al. 2007). 73 kg−1 for a farm of 800 mtn (Garc´ıa-Garc´ıa et al. 24 kg−1 for a farm producing 2500 mtn (Merinero et al. 2005). According to Jover (2007), the sector evolves toward increases in market competitiveness, for which it is necessary to look for economies of scale, the application of new technologies, and a high final product quality.