García-Ruiz, A.I., J. García-Palomares, P. García-Rebollar, S. Chamorro, R. Carabaño, and C. de Blas. 2006. “Effect of Protein Source and Enzyme Supplementation on Ileal Protein Digestibility and Fattening Performance in Rabbits”. Spanish Journal of Agricultural Research 4 (4), 297-303. https://doi.org/10.5424/sjar/2006044-207.