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Effects of Alternate-Week Feeding Strategies on Growth and Feed Efficiency Ratio of Juvenile Nile Tilapia Oreochromis niloticus in a Recirculating System

조성환
한국수산과학회 (The Korean Society of Fisheries and Aquatic Science)|2005.09|Fisheries and Aquatic Sciences|제8권 제3호|pp. 128-131

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참고문헌

주제분류수산학

초록

Abstract

The effects of alternate-week feeding strategies on growth and feed efficiency ratio of juvenile Nile tilapia were investigated in a recirculating aquaculture system. Twenty fish initially weighing 25.5 g were randomly distributed into each of 18 tanks to conduct three replicates for each of six different feeding strategies. Weight gain of fish in the control that were fed daily for 6-week feeding trial was significantly higher than those of fish subjected to various alternate-week feeding regimes. Weight gain of fish that were starved for 3 weeks and then fed daily for 3 weeks (3WS+3WF) was not significantly different from that of fish, starved and fed daily for alternate 1-week period during the trial (1WS+1WF), but was significantly higher than those of fish starved for 2 weeks, and fed for 2 weeks (2WS+2WF); fish starved for 4 weeks and fed for 2 weeks (4WS+2WF); and fish fed for 5 weeks and fed for 1 week (5WS+1WF.) The amount of feed supplied to fish in the groups of 1WS+1WF and 3WS+3WF was significantly lower than that fed to fish in the control group, but significantly higher than the amount feed supplied to fish in the other three groups. Feed efficiency ratio for fish in the control group did not differ from that for fish in the groups of 1WS+1WF, 2WS+2WF and 3WS+3WF, but was significantly higher than that for fish in the groups of 4WS+2WF and 5WS+1WF. In conclusion, juvenile Nile tilapia that were subject to starvation for 1 to 5 weeks did not exhibit compensatory growth sufficient to attain the same weight as fish fed daily for 6 weeks. In addition, fish subjected to starvation exhibited low feed efficiency ratio compared to fish fed daily, which were probably attributable to poor weight gain.

참고문헌 (18)

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관련 논문AI추천

The Effects of Different Feeding Strategies on the Growth of Young Nile tilapia, Oreochromis niloticus L., in a Freshwater Recirculating System during Summer조성환, 조재윤한국수산과학회 · Fisheries and Aquatic Sciences2005 · 제8권 제1호Compensatory Responses of Nile Tilapia Oreochromis niloticus under Different Feed-Deprivation Regimes가오양, 이정열한국수산과학회 · Fisheries and Aquatic Sciences2012 · 제15권 제4호Effect of Raw Fish-Based Moist Pellet (MP) and Commercial Red Sea Bream Feed (CF) on Growth and Body Composition of Sunshine Bass (M. saxatilis male*M. chrysops female) Reared at Various Salinity During the Winter SeasonJongKwanLee, SungHwoanCho한국수산과학회 · Fisheries and Aquatic Sciences2002 · 제5권 제3호Performance of a Recirculating Aquarium System for the Culture and Holding of Marine Fish조재윤, Lei Peng한국수산과학회 · Fisheries and Aquatic Sciences2004 · 제7권 제2호Feeding ratio affects growth, body composition, and blood chemistry of mandarin fish (Siniperca scherzeri) in recirculating aquaculture system김이오, 오승용, Who-Seung Lee한국수산과학회 · Fisheries and Aquatic Sciences2021 · 제24권 제6호염분 변화에 따른 자바틸라피아(Oreochromis mossambicus)의 산소소비, 아가미 호흡수 및 암모니아 배설이정열, 이춘희, 한상우, 허준욱한국환경생물학회 · 환경생물2008 · 제26권 제3호

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