In vitro digestibility and rumen pH of diet comprised by different level of Indigofera zollingeriana and Pennisetum purpureumIrma Badarina, Dwatmadji Dwatmadji and Rapi RapelinoE3S Web of Conf., 373 (2023) 01009DOI: https://doi.org/10.1051/e3sconf/202337301009