Nutritive value of an Elephant Napiergrass hay (Penmseturn purpureum, Schum), as determined through a digestion trial with steers in cages. (1977). Revista Da Faculdade De Medicina Veterinária E Zootecnia Da Universidade De São Paulo, 14(1), 101-111. https://doi.org/10.11606/issn.2318-3659.v14i1p101-111