Prégrossissement d'alevins sauvages de daurade Sparus aurata. | Prefattening of natural seabream Sparus aurata fry
1991
Ksouri, Jamel
Nous examinons, dans cette etude, les resultats de pregrossissement de 10087 alevins sauvages de daurade sparus aurata realise a la station de Ghar El Melh en fonction des conditions physico-chimiques et alimentaires. Au cours de cette phase qui a dure 65 jours et qui a debouche sur un bon taux de survie egal a 86,4%, le poids des alevins, nourris de trois types d'aliments a un taux d'alimentation journalier de 3,7%, a progresse de 1,2g a11,2g enregistrant ainsi un gain de croissance journalier de 2,4%.
Show more [+] Less [-]In this study we are studying the result of the prefattening of 10087 natural seabream Sparus aurata fry taking into consideration some given consideration of the quality of water and feeding. At the end of this 65 days phase, the survival rate is 68,4%. The weigth of the fry which were fed with three different kinds of food of 3,7% feeding-daily rate, progressed by 1,2g to 11,2g giving a daily growth rate of 2,2%
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