Elevage intensif du loup Dicentrarchus labrax et la daurade Sparus aurata nourris avec des aliments semi-humides expérimentaux.
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Date
1996
Metadata
Show full item recordAlternative Title
Intensive rearing of sea bass Dicentrarchus labrax and sea bream Sparus aurata fed with experimental semi - dry foods.Abstract
Des aliments semi-humides experimentaux ont ete elabores et testes a l'INSTM Centre de Monastir(ex-CNA), sur les alevins de loup et de daurade pendant le pregrossissement et le grossissement. Les resultats obtenus montrent que la daurade passe de 3,7g a 135,6g apres 224 jours d'elevage, avec un taux de survie final de 94% et taux de conversion allant de 2,1(en pregrossissement) a 2,7(en grossissement). Quant au loup, il passe de 2,2g a 60,2g en 212 jours, avec un taux de survie final de 78,5% et taux de conversion variant de 3(en pregrossissement) a 6,9(en grossissement). Ces aliments semblent etre assez bien adaptes pour la daurade, mais des incertitudes du point de vue nutritionnel demeurent toujours quant a leur utilisation pour le loup.Experimental semi -dry foods have been elaborated and tested on fingerlings of sea bass Dicentrarchus labrax and sea bream Sparus aurata during the pre-growth and growth stage. The results show that the sea bream passes from 3.7g to 135.6g after 224 days of rearing, with a final survival rate of 94% and conversion rate of 2.1(in pre-growth) and 2.7 (in growth). Sea bass passes from 2.2g to 60.2g in 212 days, with a final survival rate of 78.5% and a conversion rate of 3 (in pre-growth) and 6.9 (in growth). These foods seem to be adapted for the sea bream, but nutritional uncertainties always stay for their use to sea bass.
Journal
Bulletin de l'Institut National des Sciences et Technologies de la MerVolume
23Issue/Article Nr
2Page Range
pp. 33-54Collections