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has been cited by the following article:

• TITLE: Effects of Supplemental Dietary Energy Source on Feed Intake, Lactation Performance, and Serum Indices of Early-Lactating Holstein Cows in a Positive Energy Balance

  AUTHORS: Xueyan Lin, Guimei Liu, Zhengyan Yin, Yun Wang, Qiuling Hou, Kerong Shi, Zhonghua Wang

  KEYWORDS: Dairy Cow, Lactation, Energy Source, 5-Hydroxytryptamine

  JOURNAL NAME: Advances in Bioscience and Biotechnology, Vol.8 No.2, February 13, 2017

  ABSTRACT: The present study investigated the effects of the supplemental dietary energy source on early lactating cows in a positive energy balance. Cows in the control group were fed a basal total mixed ration containing high-quality hay as forage, and the dietary concentrate to forage ratio was 45:65. The corn supplementation resulted in a significant decrease in the milk fat content (P P = 0.15), whereas the fat supplementation resulted in a decreasing trend of the milk protein and lactose content (P ≤ 0.1). Additionally, the corn supplementation significantly decreased the serum 5-hydroxytryptamine level (P