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International Journal of Fisheries and Aquatic Studies
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E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2019, Vol. 7, Issue 1, Part B

Feeding frequency effect on growth, body composition, feed utilization and ammonia excretion of juvenile grouper Epinephelus coioides


Author(s): LY Mouhamadou Amadou, Niass Farokh, Faye Robane, Ba Cheikh Tidiane and Liou Chyng-Hwa

Abstract: Juveniles grouper, Epinephelus coioides, of 29.33±1.08 g were stocked 16 fish per tank (31-L) and fed with three feeding frequencies (one, two and three meals daily) for 8 weeks to compare their food consumption, growth, body composition, feed utilization and ammonia excretion. Grouper were hand fed to satiation. Fish fed three times per day showed better food consumption, but fed one meal per day had better food conversion ratio. Fish fed one meal daily had heavier stomach than from the other groups, and tended to eat more per meals compared to fed two and three meals daily. Body composition of fed three meals had the highest body lipid content. Our result showed that a peak of excretion occurred 4 hours after the first feeding session. Increased feeding frequency to two and three lead to a cumulative effect of ammonia excretion. Feeding frequency had no effect on apparent digestibility in grouper. Feeding one time a day to satiation seems to be sufficient for maximal growth in juvenile grouper under our rearing conditions.

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How to cite this article:
LY Mouhamadou Amadou, Niass Farokh, Faye Robane, Ba Cheikh Tidiane, Liou Chyng-Hwa. Feeding frequency effect on growth, body composition, feed utilization and ammonia excretion of juvenile grouper Epinephelus coioides. Int J Fish Aquat Stud 2019;7(1):116-121.
International Journal of Fisheries and Aquatic Studies