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Metabolizable Energy Requirement of Growing Hanwoo Bulls for Maintenance by Energy Equilibrium Metho

에너지 균형법에 의한 한우 수소의 유지 대사에너지 요구량

  • Lee, S. C. (National Livestock Research Institute, RDA) ;
  • Thak, T. Y. (National Livestock Research Institute, RDA) ;
  • Kim, K. H. (National Livestock Research Institute, RDA) ;
  • Yoon, S. G. (National Livestock Research Institute, RDA)
  • 이상철 (농촌진흥청 축산기술연구소) ;
  • 탁태영 (농촌진흥청 축산기술연구소) ;
  • 김경훈 (농촌진흥청 축산기술연구소) ;
  • 윤상기 (농촌진흥청 축산기술연구소)
  • Published : 2003.02.28

Abstract

Metabolizable energy requirements for maintenance (MEm) of Hanwoo bulls were estimated in twelves metabolism trials using three different feeds at four stages of body weight(100, 200, 300 and 400kg). Three feeds were composed of 1) concentrates and rice straw, 2) concentrates and mixed grass hay, 3) concentrates and corn silage, respectively. Three energy levels were 1) maintenance (M) requirement, 2) 1.5 ${\times}$ M, and 3) 2.0 ${\times}$ M. All bulls were received 60% of their energy from concentrates and 40% form roughages. Three cattle for each trials fed different energy level were housed in metabolism stalls during the 5days of collection period, a total collection of feces and urine. Thereafter, during the 2days of respiration period the heat production was measured by indirect calorimetry using respiratory chamber. MEm were 99.80, 94.48, 94.80, and 97.68 kcal/W0.75 at 100, 200, 300 and 400kg. Mean value of MEm and efficiency of utilization ME for retained energy(Kg) were 95.80 kcal/W0.75 and 0.44.

수소 육성과 비육단계에서 필요로 하는 유지에너지 요구량을 구하기 위해 체중 100kg에서 400kg까지 100kg 증체 간격(100, 200, 300, 400 kg)으로 각 9두를 이용한 3처리(에너지 급여수준) 3반복의 에너지 균형 시험을 수행하였다. 에너지 급여수준은 대사에너지(Metabolizable energy; ME)로 1) 유지에너지 수준(Maintenance, 1.0M), 2) 유지에너지의 1.5배(1.5M), 3) 유지에너지의 2배(2.0M)을 섭취 할 수 있도록 1일 사료급여량을 정하였고, 조사료와 농후사료의 비율은 40:60을 유지하였다. 이와 같은 시험 설계를 기초로 각 체중별로 국내에서 주로 이용되는 볏짚(실험 I), 목건초(실험 II), 옥수수 사일리지(실험 III)의 조사료가 다른 조건에서의 유지에너지 요구량을 구하였다. 체중별 MEm은 체중 100kg시 99.80 kcal/ MBS로 가장 높았던 반면 체중 200kg시 가장낮아 94.48 kcal/$W^{0.75}$였고, Kg의 경우 0.36-0.57의 범위에 있었다. 체중별 성적을 종합 분석한 결과, 유지를 위한 대사에너지(MEm)는 95.80kcal, 증체를 위한 대사에너지 이용효율(Kg)은 0.44로 평가되어졌다.

Keywords

References

  1. A. O. A. C. 1990. Official Methods of Analysis. 15th ed. Association of Official Analytical Chemists. Washington, D. C.
  2. Agricultural Research Council. 1980. The Nutrient requirements of Ruminant Livestock, Technical Reviews by an Agricultural Research Council Working Party. ARC, Farmham Royal, England.
  3. Balch, C. C. 1971. Proposal to use time spent for chewing as an index of the extent to which diets for ruminants possess the physical property of fibrousness characteristics of roughages. Brit. J. Nutr. 26:383-392. https://doi.org/10.1079/BJN19710045
  4. Barber, K. A., Wilson, L. L., Ziegler, J. H., LeVan, P. J. and Watkins, J. L. 1981. Charolais and angus steers slaughtered at equal percentages of mature cow weight. II. Empty body com- position, Energetic efficiency and comparision of compositionally similar body weights. J. Anim. Sci. 53:898-906. https://doi.org/10.2527/jas1981.534898x
  5. Blaxter, K. L., Clapperton, J. L. and Wainman, F. W. 1966. Utilization of the energy and protein of the same diet by cattle and sheep. J. Agric. Sci. Camb. 67:67-75. https://doi.org/10.1017/S0021859600067587
  6. Brouwer, E. 1965. Report of sub-committee on constants and factors Pages 441-443 in Energy Metabolism. K.L. Blaxter (Ed.), EAAP Publication No. 11. Academic Press, London.
  7. Carstens, G. E., Johnson, D. E., Johnson, K. A., Hotovy, S. K. and Szymanski, T. J. 1989. Genetic variation in energy expenditures of monozygous twin beef cattle at 9 and 20 month of energy. Energy Metab. proc. Symp. 43:312-315
  8. Ferrell, C. L. and Jenkins, T. G. 1985. Energy utilization by Hereford and Simmental males and females. Anim. Prod. 41:53-61. https://doi.org/10.1017/S0003356100017542
  9. Flatt. W. P., Moe, P. W., Moore, L. A. and Van Soest, P. J. 1967. Estimation and prediction of the energy value of feeds for ruminants. In Energy Metabolism of Farm Animals. K. L. Blaxter, J. Kielanowski and G. Thorbek. (Eds), 4th symposium. Warsaw, pp. 59-65.
  10. Fortin, A., Reid, J. T., Maiga, A. M., Sim, D. W. and Wellington, G. H. 1980. Effect of level of energy intake and influence of breed and sex on muscle grwth and distribution in the bovine carcass J. Anim. Sci. 51:1288-1296. https://doi.org/10.2527/jas1981.5161288x
  11. Geay, Y 1984. Energy and protein utilization in growing cattle. J. Anirn. Sci. 58:766-778.
  12. McDonald, P., Edwards, R. A. and Greenhalgh, J. F. D. 1988. Animal Nutrition. John Wiley & Sons, Inc. New York.
  13. National Research Council. 1976. Nutrient requirements of Domestic Animals: Nutrient requirements of beef cattle. 5th ed. Washinton, D.C.
  14. Osuji, P.O., Gordon, J. G. and Webster, A. J. F. 1975. Energy exchanges associated with eating and rumination in sheep given grass diets of different physical forms. Brit. J. Nutr. 34:59-71.
  15. Orskov, E. R., Fracer, C. and Kay. R. N. B. 1969. Dietary factors influencing digestion of starch in the rumen and small and large intestine of early weaned lambs. Brit. J. Nutr. 23:217-226.
  16. Rompala, R. E. and Byers, F. M. 1978. Nutritional regulation of genetic potential for protein and fat deposition in beef cattle. J. Anim. Sci.(Suppl.1). 47:437.
  17. Solis, J. C., Byers, F. M., Schelling. G. T., Long, C. R. and Green, L. W. 1988. Maintenance requirements and energetic efficiency of cows of different breed. J. Anim. Sci. 66:764-773. https://doi.org/10.2527/jas1988.663764x
  18. Vermorel, M., Bouvier, J. C. and Geay, Y. 1980. Energy utilization by growing calves: Effects of age. milk intake and feed level. Energy Metab. proc. Symp. 26:9-53.
  19. 農林水産技術會議事務局 : 日本飼養標準牛. (2000년판), 中央畜産會. 2000.
  20. 이상철. 1991. 한우 수소의 유지 및 증체시 에너지 대사와 단백질 이용효율에 관한 연구. 서울대학교 박사학위 논문.
  21. 이상철, 탁태영, 김경훈, 윤상기. 2002. 절식대사 시험에 의한 한우 수소의 유지에너지 요구량 결정에 관한 연구. 한국동물자원과학회지, 45(1):113-122.
  22. 정연후, 이상철, 강수원, 정정수, 정천용. 1992. 한우 육성빈우의 에너지와 단백길 요구량 결정. I. 대사시험에 의한 한우 육성빈우의 에너지와 단백질 요구량 결정. 한축지 34(5):293-300.
  23. 탁태영, 강태홍, 김강식. 1983. 대사시험에 의한 한우 성빈우 유지시 양분요구량에 관한 연구. 한축지 25(2)117-137.