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이진환,조재윤,이상민,조성환,Johannes Hutabarat,Nur Taufiq Spj 한국수산과학회 2009 Fisheries and Aquatic Sciences Vol.12 No.4
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.
Lee, Jin-Hwan,Jo, Jae-Yoon,Lee, Sang-Min,Cho, Sung-Hwoan,Hutabarat, Johannes,Spj, Nur Taufiq The Korean Society of Fisheries and Aquatic Scienc 2009 Fisheries and Aquatic Sciences Vol.12 No.4
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.