Biological Estimation of Waste Products from Olive Flounder (Paralichthys olivaceus) Fed on Three Different Feed Types

Lee, Jinhwan and Jo, Jae-Yoon and Lee, Sang-Min and Cho, Sung Hwoan and Hutabarat, Johannes and Taufiq Spj, Nur (2009) Biological Estimation of Waste Products from Olive Flounder (Paralichthys olivaceus) Fed on Three Different Feed Types. Fisheries & Aquatic Sciences, 4 (12). pp. 317-323.

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Abstract

Waste products were biologically estimated from juvenile flounder (Paralichthys olivaceus) on three diet types—raw fish-based moist pellets, moist pellets, and extruded pellets. Total solid and soluble wastes were estimated by determining nutrient digestibility and accumulation in juvenile flounders through growth trials. Total solid wastes produced were 20%-23% of the organic matter supplied. Soluble excretions ranged from 45% to 49%. Soluble nitrogenous excretions ranged from 36.4% to 46.2%. These results indicate that about 30.2%-35.9% of supplied feed is retained in the fishes’ bodies while the remainder of feed is excreted into culture systems or the surrounding environment. Key words: Waste products, Flounder, Paralichthys olivaceus, Feed waste, Fecal solids, Nitrogenous excretion.

Item Type:Article
Subjects:S Agriculture > SH Aquaculture. Fisheries. Angling
Divisions:Faculty of Fisheries and Marine Sciences > Department of Marine Science
ID Code:16033
Deposited By:Mr Edi Kuncoro
Deposited On:07 Jul 2010 21:09
Last Modified:07 Jul 2010 21:09

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