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선발 육종넙치 Paralichthys olivaceus 및 일반넙치의 성장비교
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  • 선발 육종넙치 Paralichthys olivaceus 및 일반넙치의 성장비교
저자명
민병화,김현철,이정호,노재구,안혜숙,박철지,최상준,명정인,Min. Byung-Hwa,Kim. Hyun-Chul,Lee. Jeong-Ho,Noh. Jae-Koo,An. Hye-Suck,Park. Choul-Ji,Choi. Sang-
간행물명
한국수산과학회지
권/호정보
2010년|43권 5호|pp.457-461 (5 pages)
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한국수산과학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

To estimate the effect of selective breeding on the improvement of growth in olive flounder Paralichthys olivaceus, we compared the growth of a strain selected for rapid growth to that of an unselected strain from a commercial hatchery. The fish strains were fed with either moist pellets (MP) (dry matter, 59.8% crude protein; 14.1% lipid) or extruded pellets (EP) (dry matter, 50.4% crude protein; 13.8% lipid) for 190 days and were reared under similar conditions. The mortality rates were less than 2% and were not significantly different among the experimental groups. The growth rate of the selected fish was significantly greater than that of the unselected fish regardless of the diet type, and both strains fed MP grew significantly faster than those fed EP. The selected fish consumed more feed than the unselected fish. However, there was no significant difference in the feed efficiency between the selected and unselected fish. These results demonstrate that the selected fish exhibited superior growth rates, and that this was associated with a greater intake of food. Thus, selective breeding may be useful for improving the growth of commercial olive flounder.