Ribeiro, E. L. de A.; Silva, L. das D. F. da; Mizubuti, I. Y.; Rocha, M. A. da; Silva, A. P. da; Mori, R. M.; Ferreira, D. O. L.; Casimiro, T. R. Productive Performance of Ewes in Summer or Autumn Mating Seasons, and Receiving or Not Food Suplementation During the Mating Period. Semina: Ciênc. Agrár. 2002, 23, 35-44.