Effect of Dietary Energy Levels on Postpartum Performance and Blood Biochemical Indexes of Pre-partum Holstein Dairy Cows
CHEN Zi-ning，LI Yan，GAO Yan-xia，XUE Qian，LI Qiu-feng，LI Jian-guo
ACTA VETERINARIA ET ZOOTECHNICA SINICA . 2015, (11): 2002 -2009 .  DOI: 10.11843/j.issn.0366-6964.2015.11.012