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...Essential fatty acid requirements in mediterranean fish species izquierdo m montero d ed basurco b nengas i alexis nutrition zaragoza ciheam cahiers options mediterraneennes n pages article available on line disponible en ligne a l adresse http om org php idpdf to cite this pour citer cet p www grupo de investigacion acuicultura ulpgc iccm o box telde las palmas gran canaria canary islands spain summary development of culture the area has been partly based knowledge nutritional these however formulation specific diets for different marine restrictions availability traditional ingredients and their substitution by alternative products changes feeding practices introduction new fast growing strains require continuous updating commercial cultured including determination efa inadequate contents diet give rise several physiological behavioural morphological alterations markedly reducing performance change over life cycle while juveniles may be able survive months very low larvae die few day...