Silva, Antonio Emidio Dias Feliciano, et al. “Effect of Supplementation on the Productive and Reproductive Performance of Woolless Sheep of Northeast Brazil”. Pesquisa Agropecuaria Brasileira, vol. 21, no. 9, Apr. 2014, pp. 987-9, doi:10.1590/S1678-3921.pab1986.v21.15015.