사료의 지질함량과 공급횟수가 비단잉어(Cyprinus carpio var. koi) 치어의 성장 및 체조성에 미치는 영향
Influence of Dietary Lipid Level and Feeding Frequency on the Growth and Body Composition of Juvenile Fancy Carp Cyprinus carpio var. koi
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We investigated the effects of different dietary lipid levels (7% or 14%) and feeding frequency (1-4 meals per day) onthe growth performance and body composition of juvenile fancy carp Cyprinus carpio var. koi. Three replicate groupsof fish (initial mean weight, 11.7 g) were fed to visual satiety with sinking dry pellet diets for 8 weeks. Neither feedingfrequency nor lipid level affected fish survival. Weight gain was affected by feeding frequency but not dietary lipidlevel. Weight gain significantly increased with increased feeding frequency. Feed efficiency and protein efficiencyratio were affected by feeding frequency, but not dietary lipid level. Daily feed intake was affected by feeding frequencyand dietary lipid level. Whole body moisture, crude lipid and ash contents were affected by feeding frequency,but not dietary lipid level. Based on these results, we conclude that the appropriate feeding frequency for the optimumgrowth of fancy carp fingerlings is four meals per day using sinking dry pellet.
Abstract
We investigated the effects of different dietary lipid levels (7% or 14%) and feeding frequency (1-4 meals per day) onthe growth performance and body composition of juvenile fancy carp Cyprinus carpio var. koi. Three replicate groupsof fish (initial mean weight, 11.7 g) were fed to visual satiety with sinking dry pellet diets for 8 weeks. Neither feedingfrequency nor lipid level affected fish survival. Weight gain was affected by feeding frequency but not dietary lipidlevel. Weight gain significantly increased with increased feeding frequency. Feed efficiency and protein efficiencyratio were affected by feeding frequency, but not dietary lipid level. Daily feed intake was affected by feeding frequencyand dietary lipid level. Whole body moisture, crude lipid and ash contents were affected by feeding frequency,but not dietary lipid level. Based on these results, we conclude that the appropriate feeding frequency for the optimumgrowth of fancy carp fingerlings is four meals per day using sinking dry pellet.
참고문헌 (21)
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