수산해양교육연구 (Journal of Fisheries and Marine Sciences Education)

  • 제26권3호
  • /
  • Pages.667-675
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  • 2014
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  • 1229-8999(pISSN)
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  • 2288-2049(eISSN)
한국수산해양교육학회 (The Korean Society for Fisheries and Marine Sciences Education)
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제주도 양식현장 내 배합사료와 생사료의 급여가 넙치의 성장, 사육수질 및 조직성상에 미치는 영향 비교

Comparison of Extruded and Moist Pellets for Growth Performance, Water Quality and Histology of Olive Flounder Paralichthys olivaceus in Jeju Fish Farm

  • 투고 : 2014.06.02
  • 심사 : 2014.06.25
  • 발행 : 2014.06.28
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초록

Two types of diets, extruded pellet (EP) and raw-fish-based moist pellet (MP) were fed to compare growth, water quality and histology of olive flounder, Paralichthys olivaceus in Jeju fish farm. Two groups of 7000 fish per each tank (initial mean weight 51 g) were fed one of two diets for 7 months. At the end of the feeding trial, significant differences were found in weight gain and feed utilization. Dissolved oxygen (DO) level of the MP tank was decreased from 7.98 to 6.89 after feeding. There were no significant differences in hematocrit, hemoglobin, alanine aminotransferase and aspartate aminotransferase of fish fed the two diets. Whole body protein content of fish fed the EP was significantly higher than that of fish fed the MP. While the feeding rate by month indicated numerically decreased, fish fed the MP had higher feed intake than that of fish fed the EP. Histological examination of hepatopancreas, kidney, and anterior intestine of fish fed the EP did not show any negative effects compared to those of fish fed the MP. This study revealed that EP could substitute for MP in terms of growth performance, blood parameters, water quality and histology of olive flounder.

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참고문헌

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피인용 문헌

  1. Comparative Evaluation of Extruded and Moist Pellets for Development of High Efficiency Extruded Pellets in Olive Flounder Paralichthys olivaceus vol.47, pp.6, 2014, https://doi.org/10.5657/KFAS.2014.0801
  2. Status of Marine Environment of Olive Flounder, Paralichythys olivaceus, Culture Ground in Jeju-do - Focus on Kudoa septempunctata positive and negative farm - vol.28, pp.3, 2016, https://doi.org/10.13000/JFMSE.2016.28.3.746