Optimum Feeding Rates in Juvenile Olive Flounder Paralichthys olivaceus Fed Practical Expanded Pellet at Low and High Water Temperatures

Kim, Kang‐Woong; Hwang, Nam-Yong; Son, Maeng-Hyun; Kim, Kyoung-Duck; Lee, Jun-Ho; Liu, Yi; Yun, Yong-Hyun; Park, Gunhyun; Kim, Sung-Sam; Lee, Kyung-Jun; Bai, Sungchul C.

doi:10.5657/kfas.2011.0345

Cited by 11 publications

(5 citation statements)

References 18 publications

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“…, (Kim et al, 2010;kim et al, 2011kim et al, ) (Lee et al, 1996 , (Fig 3). broken line regression analysis 2.87% .…”

Section: 결과 및 고찰mentioning

confidence: 96%

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Optimum Feeding Rate and Frequency in Juvenile Korean Rockfish Sebastes schlegeli Fed a Commercial Diet

Lee¹,

Kim²,

Lee³

et al. 2013

Korean Journal of Fisheries and Aquatic Sciences

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Two feeding trials were conducted to investigate the effects of feeding rate and frequency on growth performance and body composition of juvenile Korean rockfish Sebastes schlegeli reared at 15.0 0.3 C. In the first trial, three replicate fish groups averaging 2.07 0.03 g were fed a commercial diet with one of seven different daily feeding rates: 1.00%, 2.00%, 2.50%, 2.75%, 3.00%, 3.25%, and satiation (3.34%) based on body weight (BW). After four weeks of feeding, fish fed the 3% diet showed significantly higher weight gain (WG) and feed efficiency (FE) than fish that received the other feeding rates. In the second trial, the optimum feeding frequency was evaluated with three replicate fish groups averaging 2.04 0.03 g. Fish were fed a commercial diet at 2.87% BW with six different daily feeding frequencies: 2, 3, 4, 5, 7, or 9 meals. After four weeks of feeding, WG, specific growth rate, FE, and protein efficiency rate in fish fed 3 meals d-1 were significantly higher than those of fish fed 7 or 9 meals d-1. In both feeding trials, proximate composition of the entire body changed depending on the feeding rate or frequency. A broken-line regression analysis based on weight gain suggested that the optimum daily feeding rate and frequency for juvenile Korean rockfish at 15 C was 2.9% BW d-1 and 2-3 meals d-1 , respectively.

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“…, (Kim et al, 2010;kim et al, 2011kim et al, ) (Lee et al, 1996 , (Fig 3). broken line regression analysis 2.87% .…”

Section: 결과 및 고찰mentioning

confidence: 96%

“…, , , (Wang et al, 1998;Lambert et al, 2001;Dwyer et al, 2002;Riche et al ., 2004), , (Brett, 1979). , , , (Fange and Grove, 1979;Fauconneau et al, 1983), Kim et al (2011) . , .…”

mentioning

confidence: 99%

Optimum Feeding Rate and Frequency in Juvenile Korean Rockfish Sebastes schlegeli Fed a Commercial Diet

Lee¹,

Kim²,

Lee³

et al. 2013

Korean Journal of Fisheries and Aquatic Sciences

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“…. Kim et al (2011) , , Values are means from duplicate groups of fish; values in each row with different superscripts are significantly different (P < 0.05). 2 S = Satiation (0.75%).…”

Section: 통계학적 분석mentioning

confidence: 99%

Optimum Feeding Rate for Sub-adult Olive Flounder (370 g) Paralichthys olivaceus Fed Practical Extruded Pellets at Low Water Temperature (12-14℃)

Kim¹,

Kim²,

Kim³

et al. 2014

Korean Journal of Fisheries and Aquatic Sciences

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We investigated the effects of feeding rate on the growth performance and blood components of sub-adult olive flounder Paralichthys olivaceus. Optimum feeding rate (initial fish mean weight : 370±5.72 g) was determined under the low water temperature. Two replicated groups of fish were fed a commercial diet at rates of 0%, 0.3%, 0.4%, 0.5%, and 0.6% body weight (BW) per day, and to satiation (0.75%). Feeding trial was conducted under a flow-through system with 12 1.2-metric ton aquaria receiving filtered seawater at 12-14°C for 4 weeks. Weight gain (WG) and specific growth rate (SGR) for fish fed at 0.6% BW per day was significantly higher than that of unfed fish (0%) and fish fed at 0.3% and 0.4% BW per day. There were no significant differences in WG and SGR among fish fed at 0.5%, 0.6%, and 0.75%. These parameters were negative and significantly lower in the starved fish than in fish fed the experimental diet at all feeding rates. Survival for unfed fish (0%) was significantly lower than that of fish fed at 0.4%, 0.5%, and 0.6%. Hematocrit and hemoglobin content of fish fed at 0% and 0.75% (satiation) were significantly lower than that of fish fed at 0.4% BW per day. Total protein content in unfed fish was significantly lower than those in other treatments. Broken-line regression analysis of weight gain showed that the optimum feeding rate of olive flounder weighing 370 g was 0.51% BW per day at the low water temperature.

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“…In particular, in the case of aquaculture, DO content is considered an important factor for determining carrying capacity and production (Jørgensen et al, 1991;Lee et al, 2014;Shin et al, 2018). Moreover, DO content is a parameter used in the determination of density in aquaculture and live-fish transport, and to determine the amount of feed required (Buentello et al, 2000;Kim et al, 2011;Kim et al, 2018;Yang et al, 2017). To sustain optimal feeding activity and health of aquaculture fish, controlling DO in water is very important.…”

Section: Introductionmentioning

confidence: 99%

Effects of water temperature changes on oxygen consumption and hematological factors in olive flounder Paralichthys olivaceus

Lim¹,

Han²,

Hur³

2021

Fish Aquat Sci

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Water temperature (WT) is a major environmental factor of metabolic rate in fish; it directly affects food intake, ammonia excretion, oxygen consumption (OC), growth, and survival. Thus, the purpose of this study was to investigate changes in the OC and the hematological response of olive flounder Paralichthys olivaceus because of WT changes. In Exp. I, WT was increased from 20℃ to 29℃ within 18 h and maintained at 29℃ for 96 h. Then, WT was decreased from 29℃ to 20℃ within 18 h and maintained at 20℃ for 24 h. In Exp. II, WT was decreased from 20℃ to 11℃ within 18 h and maintained at 11℃ for 96 h. Then, WT was increased from 11℃ to 20℃ within 18 h and maintained at 20℃ for 24 h. The Exp. III maintained that the Exp. I and II was consecutively. In Exp. I, the OC increased from 116.7 mg O 2 kg -1 hr -1 to 317.5 mg O 2 kg -1 hr -1 with increasing WT. In Exp. II, the OC decreased from 96.5 mg O 2 kg -1 hr -1 to 71.3 mg O 2 kg -1 hr -1 with decreasing WT. In Exp. III, OC tended to increase or decrease in inverse proportion to temperature. In Exp. I, cortisol, glucose, and aspartate aminotransferase (AST) values increased with increasing WT. In Exp. II, Cl -, osmolality, AST, and alanine aminotransferase (ALT) values significantly changed during the experimental period: glucose values increased, whereas cortisol values decreased with decreasing WT. Exp. III was shown to be a more stressful environment to olive flounder than Exp. I and Exp. II. The results of our study will be useful for evaluating current aquaculture procedures of olive flounder and developing techniques to minimize stress in aquaculture farms.

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Optimum Feeding Rates in Juvenile Olive Flounder Paralichthys olivaceus Fed Practical Expanded Pellet at Low and High Water Temperatures

Cited by 11 publications

References 18 publications

Optimum Feeding Rate and Frequency in Juvenile Korean Rockfish Sebastes schlegeli Fed a Commercial Diet

Optimum Feeding Rate and Frequency in Juvenile Korean Rockfish Sebastes schlegeli Fed a Commercial Diet

Optimum Feeding Rate for Sub-adult Olive Flounder (370 g) Paralichthys olivaceus Fed Practical Extruded Pellets at Low Water Temperature (12-14℃)

Effects of water temperature changes on oxygen consumption and hematological factors in olive flounder Paralichthys olivaceus

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