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Effect of past nutritional history and fasting on feed intake and growth in rainbow trout Oncorhynchus mykiss ArchiMer
Boujard, Thierry; Burel, Christine; Medale, Francoise; Haylor, Graham; Moisan, Annick.
Groups of juvenile rainbow trout were fed to satiation for 10 days after 1, 11 and 21 days of feed deprivation. These fish (initial body weight =20 +/- 2 g) were previously fed at different feeding levels (0.5 or 1.5% initial body weight, to satiation) with a high (20.4 kJ . g(-1)) or a low (16.2 kJ.g(-1)) digestible energy diet content for 34 days. It is shown that past nutritional history affected growth performance: duration of feed deprivation has a major effect on intake and feed conversion efficiency; previous feeding level has an effect on intake; dietary energy content affected feed conversion efficiency. In addition, an attempt was made to identify some of the metabolic parameters that could be involved in the increase in growth performance during...
Tipo: Text Palavras-chave: Feed efficiency; Appetite; Past nutritional history; Compensatory growth; Aquaculture.
Ano: 2000 URL: http://archimer.ifremer.fr/doc/2000/publication-1399.pdf
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