Faria, Paulo Fernando L., et al. “Corn Silage and Poultry Litter for Dairy Heifers During the Dry Season”. Pesquisa Agropecuaria Brasileira, vol. 10, no. 4, Apr. 2014, pp. 37-41, doi:10.1590/S1678-3921.pab1975.v10.17075.