牧草长度相关论文
Effects of dietary forage to concentrate ratio and wildrye length on nutrient intake, digestibility,
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选用16头泌乳中期荷斯坦奶牛(其中4头带有瘤胃瘘管)研究苜蓿青贮料和燕麦青贮料刈割长度(短为6mm,长为19 mm)的不同效果。试验采用......
