Practical Inclusion Levels of Corn Gluten Meal in Mash for Oregon Moist Pellets for Yearling Yellowtail, Seriola quinqueradiata.

概要

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The practical inclusion levels of corn gluten meal (CGM) as a substitute for fish meal in mash for Oregon moist pellet (OMP), mixed same weight with mash and raw sardine mince, was evaluated with yearling yellowtail, Seriola quinqueradiata fed on test mashes containing CGM 0-30% supplemented with lysine and arginine for 134 days. The growth performance increased in the fish fed on mash containing up to CGM 20%. But the performance decreased slightly in the fish fed on mash containing CGM 30% compared with the fish fed on control mash free from CGM. Furthermore, hematological characteristics of the fish fed on test mashes reduced inversely related to CGM inclusion levels in mash, and the fish fed mash containing CGM 30% significantly decreased in hematocrit and hemoglobin levels compared with the fish fed control mash free from CGM. There were no remaked differences in proximate compositions of carcass, muscle and liver among the groups. These results indicate that commercial CGM proved to be a satisfactory alternative protein source of mash for OMP for yearling yellowtail, and practical inclusion levels in the mash should be 20%, replacing up to 25% of fish meal in mash.
日本水産増殖学会の論文