肉鸡酵母水解物代谢能及氨基酸可利用率评定

张巍,戴晋军,杨雪海,魏金涛,陈明新,胡骏鹏,黄少文

Evaluation of Apparent Metabolic Energy, Nitrogen Corrected Metabolic Energy, Biological Value of Protein and Ileal Digestibility of Amino Acid of Yeast Hydrolysate for Broilers

Wei ZHANG,JinJun DAI,XueHai YANG,JinTao WEI,MingXin CHEN,JunPeng HU,ShaoWen HUANG

表4 肉仔鸡无氮日粮和半纯合日粮的采食与排泄（风干基础）

Table 4 The feeding and excretion of nitrogen-free and semi-homozygous diets for broilers (air-dry basis,%)

项目Items 无氮日粮N-free diet 半纯合日粮Semi-purified diet 总能 Feed GE (MJ·kg-1) 14.94±0.17 16.07±0.02 试验饲粮中粗蛋白质 CP (%) 0.20±0.00 17.57±0.06 日均采食量 ADFI (g·d -1) 46.70±1.10 50.50±1.78 粪能 Fecal energy (MJ·d -1) 14.66±0.14 15.35±0.14 粪中蛋白质Fecal CP (%) 16.87±0.45 39.75±0.06 日均排粪总量Fecal output (g·d -1) 10.25±1.67 14.50±1.44