Evidence of compensatory growth of the gilthead seabream, Sparusaurata (Linnaeus, 1758
Keywords:
Compensatory growth, Gilthead seabream, Feeding efficiency, Food conversion ratioAbstract
A feeding experiment was carried out to investigate the possibility using the phenomenon of compensatory growth to improve growth and feed utilization of gilthead seabream, Sparusaurata. Five feeding cycles were employed: daily feeding ; one week of starvation followed by one week feeding (1:1); two weeks of starvation followed by two weeks of feeding (2:2); three weeks of starvation followed by three weeks of feeding (3:3); six weeks of starvation followed by six weeks of feeding (6:6). By the end of the experiment, fish subjected to a feeding cycle (3:3) produced comparable results in terms of growth performance to the fish that were fed daily. Those showed improved food utilization in terms of food conversion ratio (FCR) and feeding efficiency (FE), compared to those on the other treatments. The results of 1, 2, and 6 weeks cycles are not so good as other the 3 weeks cycle a control feeding regimes. The studies so far provide evidence of the adequate of the fish to starvation followed by what may be termed compensatory growth once feeding was resumed when a 3 weeks starvation feeding cycle is employed.
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