한국수산과학회

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  • pISSN : 2234-8395
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  • eISSN : 2234-1757

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kfas, vol. 52, no. 2, pp.134-140, April, 2019
DOI. https://doi.org/10.5657/KFAS.2019.0134

Effect of Dietary Fish Meal Replacement by a Blend of Plant and
Animal Ingredients on the Growth and Blood Chemistry of Starry
Flounder Platichthys stellatus
동·식물성 혼합물의 사료 내 어분대체가 강도다리(Platichthys stellatus)의
성장 및 혈액성상에 미치는 영향
신승준·이태규·이동훈1·임성률1·양일창

신승준·이태규·이동훈1·임성률1·양일창·김성삼2·최정우·김진수·김정대*
강원대학교 동물생명과학대학, 1경기도해양수산자원연구소, 2CJ 제일제당

A feeding trial was conducted to investigate the effects of dietary fish meal replacement by a blend of lysine cell
mass, corn protein concentrate and poultry by-product meal on the growth and blood chemistry of the starry flounder
Platichthys stellatus. The fish meal replacer (FMR) was prepared to have the same level of protein as fish meal (FM).
With a commercial diet as a positive control, five experimental diets (basal, FM42, FM32, FM22 and FM12) were
formulated to contain 52% protein and 10% lipid. The dietary FM levels decreased from 52% (basal) to 42, 32, 22
and 12% with concomitant increase in the FMR to 10, 20, 30, 40 and 50%, respectively. Juvenile starry flounder with
an average body weight of 177.3 g were randomly distributed in each (30 fish/tank) of 18 plastic tanks (139×99×54
cm). After a 45-day feeding trial, the survival rate ranged from 95.6% (FM22) to 100% (control and FM42), while the
weight gain of the fish groups varied from 49.7 to 58.4 g. The results clearly revealed that starry flounder can grow
well on a diet containing low FM (12%) with a high level of FMR (50%) without any adverse effects.

Keyword : Platichthys stellatus, Fish meal, Fish meal replacer (FMR), Survival rate, Weight gain

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