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Asian-Australasian journal of animal sciences v.18 no.8, 2005년, pp.1164 - 1170   피인용횟수: 2

Growth Performance, Carcass Characteristics, Nutrient Digestibility and Serum Biochemical Parameters of Broilers Fed Low-protein Diets Supplemented with Various Ratios of Threonine to Lysine

Gong, L.M.    (National Feed Engineering Technology Research Center, China Agricultural University   ); Lai, C.H.    (National Feed Engineering Technology Research Center, China Agricultural University   ); Qiao, Shiyan    (National Feed Engineering Technology Research Center, China Agricultural University   ); Li, Defa    (National Feed Engineering Technology Research Center, China Agricultural University   ); Ma, Y.X.    (National Feed Engineering Technology Research Center, China Agricultural University   ); Liu, Y.L.    (National Feed Engineering Technology Research Center, China Agricultural University  );
  • 초록

    This study was conducted to evaluate performance, breast (thigh) muscle yield, nutrient digestibility and serum biochemical parameters of broilers fed low-protein diets supplemented with various threonine to lysine ratios (Thr/Lys). Three hundred and twenty four day-old male Arbor Acres broilers were randomly allotted to six dietary treatments with six replicates per treatment and nine broilers per replicate. Six treatments included one control diet [formulated according to NRC (1994)], and five experimental diets (treatments 1-5). In treatments 1-5, the crude protein level was 2% lower than that of the NRC control diet. The Thr/Lys in treatments 1-5 was 0.65, 0.70, 0.75, 0.80 and 0.85 during the starter and grower phases and 0.70, 0.75, 0.80, 0.85 and 0.90 during the finisher phase with other nutrient levels kept consistent. The results showed that: (1) With increasing Thr/Lys, ADG of treatments 1, 3 and 4 were lower (p


  • 주제어

    Ratio of Threonine to Lysine .   Broilers .   Low-protein Diets.  

  • 참고문헌 (18)

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    2. Feng, J. and Z. R. Xu. 2003. Effects of different ratios of threonine to lysine on performance and carcass composition of pigs. J. Zhejiang University (Agriculture and life science). 29:14-17. 
    3. Kidd, M. T., B. J. Kerr, J. A. England and P. W. Waldroup. 1997. Performance and carcass composition of large white toms as affected by dietary crude protein and threonine supplements. Poult. Sci. 76:1392-1397. 
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    7. Lu, W. D., Y. L. Zhu, J. Sha and H. B. Zhu. 2000. SPSS for windows. Publishing House of Electronics Industry, Beijing. 
    8. Sell, J. L., P. R. Ferket, C. R.Angel, S. E. Scheideler, F. Escribano and I. Zatari. 1989. Performance and carcass characteristics of turkey toms as influenced by dietary protein and metabolizable energy. Nutr. Rep. Int. 40:979-992. 
    9. Spencer, G. K. 1984. Minimum protein requirements of turkeys fed adequate levels of lysine and methionine. M.S. Thesis, University of Arkansas, Fayetteville, AR. 
    10. NRC. 1994. Feeding Standards of poultry. 8th rev. ed. National Academy Press, Washington, DC. 
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    14. Alleman, F., J. Michel, A. M. Chagneau and B. Leclercq. 2000. The effects of dietary protein independent of essential amino acids on growth and body composition in genetically lean and fat chickens. Br. Poult. Sci. 41:214-218. 
    15. Feng, J., C. H. Hu, H. Chang and B. Zhou. 2001. The effects of different ratios of threonine to lysine on performance and carcass composition of growing-finishing pigs. Feed Industry, 11:40-41. 
    16. Ciftci, I. and N. Ceylan. 2004. Effects of dietary threonine and crude protein on growth performance, carcass and meat composition of broiler chickens. Br. Poult. Sci. 45:280-289. 
    17. Dozier, W. A., E. T. Jr. Moran and W. T. Kidd. 2001. Male and female responses to low and adequate dietary threonine on nitrogen and energy balance. Poult. Sci. 80:926-930. 
    18. AOAC. 1995. Official Methods of Analysis. 16th ed. Association of Official Analytical Chemists, Washington, DC. 
  • 이 논문을 인용한 문헌 (2)

    1. 2007. "" Asian-Australasian journal of animal sciences, 20(12): 1865~1873     
    2. 2007. "" Asian-Australasian journal of animal sciences, 20(6): 939~943     

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