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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국수산과학회 Fisheries and Aquatic Sciences Fisheries and Aquatic Sciences 제11권 제4호
발행연도
2008.1
수록면
183 - 189 (7page)

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In this study, tests were conducted to investigate the effects of three dietary growth hormones, administered in various amounts, on the growth performance and lysozyme activity in juvenile olive flounder, Paralichthys olivaceus. Three dietary growth hormones, recombinant human growth hormone (rHGH), recombinant bovine somatotropin A (rBST A) and recombinant bovine somatotropin B (rBST B) were tested at three different supplemental levels (10, 20 or 40 mg/kg body weight per week) by a 3×3 factorial design and a complete randomized design in com-parison to a control group. Fish were fed one of the ten experimental diets (control, rHGH10, rHGH20, rHGH40, rBST A10, rBST A20, rBST A40, rBST B10, rBST B20 and rBST B40) for 6 weeks and afterward were analyzed for growth performance by measuring weight gain (WG), feed efficiency (FE), specific growth rate (SGR) and protein efficiency ratio (PER). Based on the factorial design analysis, fish fed rHGH diets demonstrated significantly higher growth performance than fish fed rBST A or rBST B diets. However there were no significant differences in WG, FE, SGR and PER between fish fed rBST A and rBST B diets. Neither hormone level nor the interaction between the different hormones and their various levels had a significant effect on WG, FE, SGR, PER, lysozyme activity or whole-body proximate com-position. ABy a complete randomized design analysis confirmed, fish fed rHGH10, rHGH20, rHGH40, rBST A10, rBST A20, rBST A40, rBST B20 and rBST B40 diets for 6 weeks showed higher WG than did fish fed the control diet (P<0.05). A higher FE was observed in Ffish fed rHGH10, rHGH20, rHGH40, rBST A20 and rBST A40 diets showed higher FE than didin comparison to fish fed the control diet. Fish fed all graded the rHGH, rBST A and rBST B supplemented diets supplemented with graded rHGH, rBST A and rBST B showed a higher SGR than did fish fed the control diet. Regarding PER, fFish fed rHGH10, rHGH20, rHGH40, rBST A10, rBST A20, rBST A40 and rBST B20 diets were showed higher PER than did fish fed the control diet. Furthermore, the lLysozyme activity of fish fed a diet of rHGH20 diet was significantly higher than that of fish fed any the other diets. TheseThe results measuring the growth and development of the fish clearly suggest the biopotency of dietary rHGH could be higher than those of both dietary rBST A and rBST B. Further implied is the probability that within the range of 10 to 40 mg/kg BW/week the dietary growth hormones could accelerate growth performance, and that 20 mg rHGH/kg BW/week could possibly enhance lysozyme activity in juvenile olive flounder, Paralichthys olivaceus.
#Growth hormone #Lysozyme activity #Growth performance #Olive flounder #Recombinant bovine somatotropin #Recombinant human growth hormone #Paralichthys olivaceus

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참고문헌 (21)

참고문헌 신청
[학술지(정기간행 google schola Adelman, I.R / 1977 / Effects of bovine growth hormone on growth of carp (Cyprinus carpio) and the influences of temperature and photoperiod / Journal of the Fisheries Resear google schola Ash, R / 1985 / Protein digestion and absorption, Nutrtition and feeding in Fish / Academic Press : 69 ~ 93 google schola Bai, S.C / 1992 / Dietary rutin has limited synergistic effects on vitamin C nutrtition of fingerling channel catfish (Ictalurus punctatus) / Fish Physiology and Biochemistry google schola Bai, S.C / 1997 / Effects of dietary animal proteins sources on growth and body composition in Korean rockfish, Sebastes schlegeli (written in Korean with English abstract) / google schola

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