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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국수산과학회 양식분과 한국양식학회지 한국양식학회지 제17권 제2호
발행연도
2004.5
수록면
122 - 127 (6page)

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초록· 키워드

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On protein equivalence base, fishmeal (FM) was replaced by lysine cell mass (LCM) in selected different diets in Korean rockfish, Sebastes schlegeli (Hilgendorf). Eight experimental diets were formulated to contain 100% FM (LCM_0), 90% FM+10% LCM (LCM_(10)), 80% FM+20% LCM (LCM_(20)), 70% FM+30% LCM (LCM_(30)), 60% FM+40% LCM (LCM_(40)), 70% FM+30% LCM+lysine (LCM_(30+Lys)), 60% FM+40% LCM+lysine (LCM_(40+Lys)), and 50% FM+50% LCM+lysine (LCM_(50+Lys)). Experimental individuals of the fish (12.6 g) were randomly fed on one of the experimental diets. After 6 weeks of feeding trial, weight gain (WG) and feed efficiency (FE) of fish fed LCM_0 diet was significantly (P<0.05) higher than those of fish fed LCM_(20), LCM_(30), LCM_(40), LCM_(30+Lys), LCM_(40+Lys), and LCM_(50+Lys) diets, however, there was no significant difference in WG of fish fed LCM_0 and LCM_(10) diets. Supplementation of lysine has no effect on WG. There was no significant difference in condition factor (CF) of fish fed LCM_0, LCM_(10) and LCM_(20) diets. Hemoglobin (Hb) of fish fed LCM_0, LCM_(10), LCM_(20), LCM_(30), LCM_(40), LCM_(30+Lys), and LCM_(40+Lys) diets were not significantly different from each other. No significant differences were observed in hematocrit (PCV) and hepatosomatic index (HSI) among all dietary treatments. Apparent digestibility of dry matter (ADM) and protein (ADP) of diets significantly decreased with increase in dietary LCM level, though there was no difference in ADM and ADP between LCM_0 and LCM_(10). These results indicate that LCM could replace up to 10% of fishmeal in Korean rockfish diets.

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Abstract

Introduction

Materials and methods

Results

Discussion

Acknowledgements

References

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UCI(KEPA) : I410-ECN-0101-2009-529-015356344