(1)
Sefrin, A. R.; Lucci, C. de S.; Melotti, L. Apparent Digestibility of Diets With Different Roughage Concentrate Ratios With Sheep. Braz. J. Vet. Res. Anim. Sci. 1997, 34 (5), 292-295. https://doi.org/10.11606/issn.2318-3659.v34i5p292-295.