[1]
V. M. B. de Moraes, M. Macari, and S. do N. Kronka, “Food self selection by commercial laying hens of diets containing different energetic densities”, PAB, vol. 26, no. 10, pp. 1809–1813, Oct. 1991, doi: 10.1590/S1678-3921.pab1991.v26.3529.