TY JOUR TI Chronic fistula to rabbit cecum microbiome study KW rabbit KW microbiome KW cellulosomes KW fistula KW chyme KW Butirivibrio fibrisolvens KW Ruminococcus flavefaciens JO Agrarian Bulletin of the AU Kosovskiy , G.. AU Kolesnik, E.S. AU Popov, D.V. PY 2021 IS 213 PB Ural State Agrarian University