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자료유형
학술저널
저자정보
저널정보
한국수산과학회 양식분과 한국양식학회지 한국양식학회지 제10권 제2호
발행연도
1997.5
수록면
143 - 151 (9page)

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A six week feeding trial was conducted to determine the amount of fish meal analog (FMA) that can be replacing fish meal protein (FM) in Korean Rockfish. Seven experimental diets were formulated on isonitrogenous 52% crude protein and isocaloric basis 16.8 KJ/g diet. Also, foreign commercial fish meal analog (CFMA) and attractants (ATT) were tested in this experiment. Percentage of the graded level of replacement of FM by FMA/CFMA on the basis of crude protein were as following : Diet 1, 100% FM ; Diet 2, 60% FM : 40% CFMA ; Diet 3, 60% FM : 40% CFMA+ATT ; Diet 4, 80% FM : 20% FMA ; Diet 5, 80% FM : 20% FMA+ATT ; Diet 6, 60% FM : 40% FMA+ATT ; Diet 7, 40% FM : 60% FMA+ATT. The FMA was made by mixing six animal protein sources such as the blood meal, squid liver powder, meat and bone meal, leather meal, feather meal, poultry by-product and 3 essential amino acids (Met, Lys, Ile).
Weight gain, feed efficiency, specific growth rate and protein efficiency ratio of fish fed diets 4, 5 and 6 were not significantly different (P>0.05) from those of fish fed the control (100% FM), while those of fish fed diets 2 and 3 were significantly lower (P<0.05) than those of fish fed the diet 6. There was no significant ATT effects in this study (P>0.05). Significant differences were found in hepatosomatic index, hemoglobin and condition factor.
Therefore, these results indicated that FMA can be used up to 40% as a substitute of fish meal protein in Korean Rockfish diets.

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