Sequence of models obtained by backwards selection for urea of calves fed a m...
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The effects on growth performance of supplementation of four different AA combinations in a milk replacer (MR, 25.4% CP and 20.3% fat) based on skimmed milk powder and whey...
在以脱脂奶粉与乳清为基质的代乳粉（MR，粗蛋白（Crude Protein，CP）含量25.4%、粗脂肪含量20.3%）中添加四种不同氨基酸（Amino Acids，AA）组合对生长性能的影响……
