수산해양교육연구 (Journal of Fisheries and Marine Sciences Education)

  • 제27권3호
  • /
  • Pages.718-724
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  • 2015
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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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동절기 배합사료 공급 횟수가 황복(Takifugu obscurus) 치어의 성장과 체조성에 미치는 영향

Effect of Feeding Frequency on Growth and Body Composition of Juvenile River Puffer, Takifugu obscurus in Winter season

  • 강희웅 (국립수산과학원 남서해수산연구소) ;
  • 조재권 (국립수산과학원 남서해수산연구소) ;
  • 손맹현 (국립수산과학원 남서해수산연구소) ;
  • 홍창기 (국립수산과학원 남서해수산연구소) ;
  • 박종연 (국립수산과학원 남서해수산연구소)
  • 투고 : 2015.03.18
  • 심사 : 2015.05.08
  • 발행 : 2015.06.30
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초록

To survey the most feeding frequence of formulated diet as food for cultured puffer in winter season, we performed a rearing test using juveniles of river puffer, Takifugu obscurus (body weight 15.0 g) for 120 days. The feeding frequencies were set up as 2times/1day, 2times/2days, 2times/3days and 2times/4days. We tested triplicately the experiment and investigated survival rate, daily food intake (DFI), feed efficiency (FE), condition factor (CF), daily growth rate (DGR). Consequently, growth was increased following to an increasing of feeding frequency, was the fast in 2times/1day of feeding frequency, and was the slowest in 2times/4days (p<0.05). DFI and CF were increased following to an decreasing of feeding frequency and was the highest in 2times/4days of feeding frequency. FE was decreased following to an decreasing of feeding frequency, and was the highest in 2times/1day of feeding frequency. In a proximate carcass composition at the final day, moisture and crude lipid contents were the lowest in 2times/4days, and in survival, there was not any significant difference among experimental groups. Therefore, we concluded that the 2times/2days are the best of feeding frequency for economical benefit of river puffer culture in winter season.

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