PERNA JUNIOR, F.; FURTADO, A. J.; BOTTEON, G. E.; RODRIGUES, P. H. M. Technical note: Adaptation of fermentation bottles for in vitro study, use of filter bag and its effect on digestibility and methane production. Acta Scientiarum. Animal Sciences, v. 48, n. 1, p. e75364, 12 mar. 2026.