Prégrossissement d'alevins sauvages de daurade Sparus aurata

Abstract

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%.