A.G. Mazlan
Marine Sciences Programme, School of Environmental Studies and Natural Resource Sciences
Faculty of Science and Technology, University Kebangsaan, Malaysia
43600 UKM Bangi, Selangor D. E. Malaysia
D.J. Grove
Marine Sciences Programme, School of Environmental Studies and Natural Resource Sciences
Faculty of Science and Technology, University Kebangsaan, Malaysia
43600 UKM Bangi, Selangor D. E. Malaysia
ABSTRACT
This study elucidates the food intake and growth performance of wild whiting in captivity for 78 days using automatic demand feeding system. Whiting adapted well to using demand feeders. They fed approximately every 29-30 h at 19 oC during August-September and every 23 h at 15 oC in October. In the latter period, peak-feeding activities occurred between dawn and noon despite continuous 24 h lighting. During this period they ate similar daily amounts of dry weight to that predicted by the voluntarily feeding experiments using natural prey (0.78 %body wet weight (bw) day-1). However growth performance was poor (FCR ≈ 4.2), suggesting that digestibility was poor or that holding conditions/stress was diverting energy from the growth processes. Hierarchical dominance among the individual fish might exist among the experimental fish.
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How to cite this article
A.G. Mazlan and D.J. Grove, 2002. Demand Food Intake and Growth Performance of Wild Whiting in Captivity. Journal of Biological Sciences, 2: 415-421.
DOI: 10.3923/jbs.2002.415.421
URL: https://scialert.net/abstract/?doi=jbs.2002.415.421
DOI: 10.3923/jbs.2002.415.421
URL: https://scialert.net/abstract/?doi=jbs.2002.415.421
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