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http://dx.doi.org/10.5657/kfas.2006.39.2.100

Commercial Scale Evaluation of Practical Extruded Pellet Feed for the Olive Flounder (Paralichthys olivaceus)  

Kim Kang-Woong (Aquafeed Research Center, NFRDI)
Kang Yong-Jin (Aquafeed Research Center, NFRDI)
Lee Hae-Young (Aquafeed Research Center, NFRDI)
Kim Kyoung-Duck (Aquafeed Research Center, NFRDI)
Choi Se-Min (Aquafeed Research Center, NFRDI)
C. Bai Sung-Chul (Pukyong National University)
Park Hung-Sik (National Federation of Fisheries Cooperatives, Fisheries Co-op Feeds Co. Ltd.)
Publication Information
Korean Journal of Fisheries and Aquatic Sciences / v.39, no.2, 2006 , pp. 100-105 More about this Journal
Abstract
This study was conducted to evaluate the effects of extruded pellet (EP) diets, as compared to a raw fish moist pellet (MP) diet for olive flounder, Paralichthys olivaceus, grown in commercial-scale aquaculture for 1 year. Four diets with duplication per diet were formulated for this experiment: two experimental EP diets (EP1 and EP2), one commercial EP diet (CEP), and a raw fish MP diet (MP). The MP diet consisted of 80% frozen horse mackerel and 20% commercial binder meal. Fish weighing $30.1{\pm}0.1 g$ ($mean{\pm}SD$) were distributed randomly to each aquarium as a group of 2,600 fish. Weight gain (WG) and feed efficiency ratio (FER) of fish fed EP2 and MP were higher (P<0.05) than those of fish fed CEP, while those of fish fed EP1 did not differ (P>0.05) from those fed EP2 and MP. However, fish fed the MP diet had a higher survival rate than fish fed the other diets. Fish fed EP2 had higher serum, phospholipids and total protein levels, and lower levels of serum glutamic-oxaloacetic transaminase (GOT), glutamic-pyruvic transaminase (GPT), and total cholesterol than fish fed MP (P<0.05). Dorsal muscle and liver proteins and lipid of fish fed EP1 were higher (P<0.05) than those of fish fed CEP, while those of fish fed EP1 and MP did not differ from those of fish fed EP2 (P>0.05). These results strongly suggest that EP1 could be developed to replace MP for grow-out stage production of olive flounder without adverse effects on growth performance.
Keywords
Olive flounder; Extruded pellet; Moist pellet; Practical feed;
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Times Cited By KSCI : 6  (Citation Analysis)
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