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Effects of dietary NDF∶NFC ratio on growth performance, nutritive digestibility, ruminal fermentation characteristics and methane emissions of Holstein heifers
Li-feng DONG, Xiu-zhu YANG, Yan-hua GAO, Bin-chang LI, Bei WANG, Qi-yu DIAO
Acta Prataculturae Sinica . 2021, (2): 156 -165 .  DOI: 10.11686/cyxb2020117