Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Influence of Dietary Lipid Level and Feeding Frequency on the Growth and Body Composition of Juvenile Fancy Carp Cyprinus carpio var. koi

사료의 지질함량과 공급횟수가 비단잉어(Cyprinus carpio var. koi) 치어의 성장 및 체조성에 미치는 영향

  • Kim, Yi-Oh (Chungcheongbuk-do Inland Fisheries Research Institute) ;
  • Lee, Sang-Min (Department of Marine Biotechnology, Gangneung-Wonju National University)
  • 김이오 (충청북도내수면산업연구소) ;
  • 이상민 (강릉원주대학교 해양생물공학과)
  • Received : 2017.11.06
  • Accepted : 2017.11.29
  • Published : 2017.12.31
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Abstract

We investigated the effects of different dietary lipid levels (7% or 14%) and feeding frequency (1-4 meals per day) on the growth performance and body composition of juvenile fancy carp Cyprinus carpio var. koi. Three replicate groups of fish (initial mean weight, 11.7 g) were fed to visual satiety with sinking dry pellet diets for 8 weeks. Neither feeding frequency nor lipid level affected fish survival. Weight gain was affected by feeding frequency but not dietary lipid level. Weight gain significantly increased with increased feeding frequency. Feed efficiency and protein efficiency ratio were affected by feeding frequency, but not dietary lipid level. Daily feed intake was affected by feeding frequency and 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 optimum growth of fancy carp fingerlings is four meals per day using sinking dry pellet.

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References

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