Utilization of carotenoids from various sources by rainbow trout: muscle colour, carotenoid digestibility and retention

‘Unite mixte INRAITFREMER, Laboratoire de Nutrition des Poissons, Station d’Hydrobiologie, 643 10 Saint-Pee-sur-Nivelle, France Fax: (33) 59 54 51 52 ‘Depattamento de Bioquimica, Facultad de Ciencias, Universidad del Pais Vasco, App. 644, 48080 Bilbao, Spain 3Depattamen o t de Technologia de 10s Alimentos, Facultad de Farmacia, Universidad del Pais Vasco, Marques de Urquillo s/n, 01006 Vitoria, Spain 4Laboratoire d’Ecophysiologie des Invertebres, Universite de Montpellier II, Sciences et Techniques du Languedoc, Place Eugene Bataillon, 34095 Montpellier Cedex 5, France