AA肉仔鸡氨基酸维持模式的确立

Abstract

Abstract: A total of seventy-two of 2-week-old,6-week-old AA broilers were randomly arranged into two treatments with 6 replicates of 6 broilers(3:male,3:female), fed diets with nitrogen free diet and low nitrogen diet,separately.Endogenesis amino acid excretion was determined by nitrogen free diet.Amino acid excretion from feather loss, scurf loss et al was determined by low nitrogen diet.The results indicated that the requirements of fifteen amino acids except Gly,Cys for maintenance were significantly different between 14 and 42-day-old(P<0.05).Amino acid pattern was different between broilers of 0 to 3-week-old and adult broilers.In conclusion,the amino acid patterns of 2-week-old and 6-week-old broilers for maintenance could be regarded as that of 0 to 3-week-old and 4 to 8-week-old broilers,respectively.

Key words: nitrogen free diet; low nitrogen diet; maintenance requirement; amino acid

CLC Number:

S815.1

YANG Zhi-gang;CAI Hui-yi;LIU Guo-hua;LI Yong;CHANG Wen-huan;ZHANG Shu. The Amino Acid Pattern for Maintenance Requirements of Broilers[J]. , 2010, 37(12): 11-14.

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The Amino Acid Pattern for Maintenance Requirements of Broilers

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