Rumen bacteria and epithelial metabolism contribute to improving N utilization efficiency of calves

Ningning Zhang, Gaojie Hu, Kai Guo, Tong Fu, Hongxia Lian, Linfeng Wang & Tengyun Gao
The purpose of this study was to investigate the role of urea-N recycling, rumen bacterial community, and rumen epithelial gene expression in nitrogen utilization of calves. Here, 12 Holstein calves were divided into two dietary treatments: a high-protein diet (HP, 173 g/kg), and a low-protein diet (LP, 125 g/kg). Urea-N kinetics was evaluated using urea-15N15N isotope labeling method. Gene expression in rumen epithelium and liver, bacterial diversity, and metabolites in rumen were characterized using transcriptomic,...
1 citation reported since publication in 2021.
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