Effects of Ten Types of Diets on Nitrogen Balance and Excretion of Purine Derivatives in Hu SheepLihong Hu, Huixin Su, Zhehuan Pu, Shihong Yang, Yin Ma, Halidai Rehemujiang and Guishan XuBIO Web Conf., 182 (2025) 01014DOI: https://doi.org/10.1051/bioconf/202518201014