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《Chinese Journal of Animal Nutrition》 2010-01
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Ideal Amino Acid Pattern and Amino Acid Requirements of 5~10 Weeks Yangzhou Geese

WANG Zhiyue1 SHI Shourong2 ZHOU Qiuyan1 YANG Haiming1 ZHANG Kangning3 HAN Houming3(1.College of Animal Science and Technology,Yangzhou University,Yangzhou 225009,China;2.Poultry Institute,Chinese Academy of Agricultural Sciences,Yangzhou 225003,China;3.Changzhou Research and Development Center of Native Chicken Breeds,Changzhou 213059,China)  
On the principle of factorial method,some parameters of the mathematical model of amino acid requirements were estimated using compared slaughter test with growing goslings and nitrogen balance test with adult geese,and amino acid requirements of 5~10 weeks Yangzhou geese were assessed by the model.The results were as follows: difference of the amino acid composition of carcass and feathers between Yangzhou geese at 5 weeks of age and at 10 weeks of age was not significant(P0.05).The amino acid compositions of Yangzhou geese for growth from 5 to 10 weeks of age were: Lys 100,Met 44,Thr 36,Leu 90,Ile 41,Arg 59,Val 45;the amino acid compositions of adult Yangzhou geese for maintain were: Lys 100,Met 46,Thr 63,Leu 122,Ile 69,Arg 94,Val 76;the total amino acid requirements(the percentage of the diet) of Yangzhou geese from 5 to 10 weeks of age were: Lys 0.78%,Met 0.36%,Thr 0.33%,Leu 0.76%,Ile 0.37%,Arg 0.54%,Val 0.41%.
【Fund】: 江苏省农业科技支撑计划(BE2009351);; 现代水禽产业技术体系;; 国家科技支撑计划项目(2008BADB2B08)
【CateGory Index】: S835
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