Effects of Amino Acid Supplementation on Utilization of Corn Gluten and Soy Protein by Yellowtail.
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概要
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The effects of crystalline amino acid supplementation on the utilization of corn gluten and soy protein by yellowtail, <I>Seriola quinqueradiata</I> were studied in a 30-day feeding trial. Fish fed diets in which brown fish meal (BFM) was completely replaced with corn gluten meal (CGM) and/or soy protein concentrate (SPC) showed lower growth rates than fish fed a control BFM diet. Accumulative supplementation of several essential amino acids to each protein source progressively enhanced growth. SPC with lysine and methionine, and CGM plus SPC with lysine and methionine, or with lysine, methionine and tryptophan improved growth to the level of the control group. There were no marked differences in feed efficiency, body composition and nutrient retention between the supplementation and control groups, although blood characteristics and serum components in the supplementation groups were inferior to those in the control group. CGM with lysine, arginine, tryptophan and methionine also showed supplemental effects. Thus, amino acid supplementation is useful for effective utilization of corn gluten and soy protein by yellowtail.
- 日本水産増殖学会の論文
日本水産増殖学会 | 論文
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