Lopes, Irani Ribeiro Vieira, et al. “Energy and Protein Levels in Initial Diets for Guinea Fowl (<i>Numida meleagris< I>)”. Pesquisa Agropecuaria Brasileira, vol. 31, no. 2, Feb. 1996, pp. 83-87, doi:10.1590/S1678-3921.pab1996.v31.4456.