Effect of feeding frequency and feeding time on growth performance, feed utilization efficiency and body chemical composition on Rabbitfish Siganus rivulatus fry and juvenile under laboratory condition

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The present study consisted of two trials that conducted to evaluate the feeding frequency and the feeding time on growth performance, feed efficiency and body composition of rabbitfish Siganus rivulatus, the fish fed on one diet (35% crude protein). The first trial was conducted on rabbitfish fry (initial weight 0.18 g ± 0.012) and consisted of different three treatments of feeding frequency, the first treatment the daily meal divided into two times, the second treatment the daily meal divided into three times and the third treatment, the meal was divided into four times.
The second trial was conducted on rabbitfish juvenile (initial weight 0.948 g ± 0.124) and consisted of different four treatments of feeding time. fish fed in two times the first treatment fed at 9am and 11am, the second treatment fish fed at 11am and 1pm, the third treatment fish fed 1pm and 4pm and the fourth treatment fish fed at 9am and 4pm. The statistical analysis of results indicated that, feeding frequency feeding time appeared significantly differences between the treatments in growth performance and feed utilization parameters. The total gain in weight and feed conversion ratio were affected by feeding frequency and feeding time. The results affirmed that, the third treatment (four time feeding /day) in the first trial and both the first and second treatments in the second trial were the best of the growth performance and feed utilization parameters. 

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