Relationships between rumen methanogens and fungal communities and their response to changes in alfalfa forms and starch in sheep diets - Guo, Wenliang; Na, Meila; Liu, Shuwei; Li, Kenan; Du, Haidong; Zhang, Jing; Zhang, Yu; Na, Renhua; Liu, Yulan (Frontiers in Microbiomes, 2025)