TY - JOUR T1 - Technical note: Adaptation of fermentation bottles for in vitro study, use of filter bag and its effect on digestibility and methane production JO - Acta Scientiarum. Animal Sciences A1 - Perna Junior, Flavio A1 - Furtado, Althieres José A1 - Botteon, Gilmar Edson A1 - Rodrigues, Paulo Henrique Mazza SN - 1807-8672 UL - 10.4025/actascianimsci.v48i1.75364 VL - 48 Y1 - 2026 PB - Brasil ER -