AUTHOR=dos Santos Antônio Carneiro Santana , dos Santos Gisele Rocha , da Silva Márcia Pereira , Mariz Lays Débora Silva , Alba Henry Daniel Ruiz , Tosto Manuela Silva Libânio , Pereira Elzania Sales , Pina Douglas dos Santos , de Azevedo José Augusto Gomes , de Carvalho Gleidson Giordano Pinto , Santos Stefanie Alvarenga TITLE=Estimation of indigestible NDF by in situ procedure in sheep: number of bags and fabric type JOURNAL=Frontiers in Animal Science VOLUME=6 YEAR=2025 URL=https://www.frontiersin.org/journals/animal-science/articles/10.3389/fanim.2025.1547776 DOI=10.3389/fanim.2025.1547776 ISSN=2673-6225