Published 2003

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Publication details

Journal : Aquaculture , vol. 227 , p. 147–164 , 2003

Publisher : Elsevier

International Standard Numbers :
Printed : 0044-8486
Electronic : 1873-5622

Publication type : Academic article

Contributors : Rønnestad, Ivar; Tonheim, Sigurd; Fyhn, Hans Jørgen; Rojos-Garcia, Carlos; Kamisaka, Yoko; Koven, William; Finn, Roderick Nigel; Terjesen, Bendik Fyhn; Barr, Yoakim; Conceição, Louis EC

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In marine fish larvae, the sum of protein deposition, turnover and catabolism necessary for their rapid growth dictates a high amino acid (AA) requirement. Once the yolk is exhausted, the digestive tract becomes the vital organ that ensures a steady supply of dietary AA to the growing larval tissues. In this paper, we discuss the demand and availability of AA (free and polymerised pools) in relation to larval digestive capacity. The sources of AA from compound and live diets are described, and the early regulatory roles of cholecystokinin (CCK) and a retrograde peristaltic activity are highlighted.