The impact of rumen microbial composition on apparent digestibility, rumen fermentation and metabolism in Sanhe cows and Holstein cows of different parities under identical dietary conditions - Liu, Zixin; Jiang, Aoyu; Ma, Dianyu; Liu, Dexin; Han, Xiaoyu; Zhao, Man; Zhou, Chuanshe; Tan, Zhiliang (Frontiers in Veterinary Science, 2025)