Rumen biogeographical regions and their impact on microbial and metabolome variation oleh Macey P. Soltis, Madison T. Henniger, Amanda M. Egert-McLean, Brynn H. Voy, Sarah E. Moorey, Liesel G. Schnieder, Elizabeth A. Shepherd, Courtney Christopher, Shawn R. Campagna, Shawn R. Campagna, Joe S. Smith, Pierre-Yves Mulon, David E. Anderson, Phillip R. Myer