Rumen transfaunation between low- and high-methane-yielding dairy cows reveals asymmetric microbiome reconstitution patterns: a pilot study
Puchun Niu, Carl Mathias Kobel, Velma T. E. Aho, Clementina Álvarez, E. Prestløkken, Peter Lund, Adrián Omar Maynez-Pérez, Phillip Byron Pope, Angela Schwarm
This study swaps rumen contents between low- and high-methane-yielding cows and finds that methane production remains tied to the host, not the microbiome, with asymmetric microbiome reconstitution observed.
bioRxiv · Apr 9, 2026 · PreprintMicrobiology