Ribeiro, Edson Luis de Azambuja, Leandro das Dores Ferreira da Silva, Marco Antônio da Rocha, and Ivone Yurika Mizubuti. 1999. “<b>The Effect of Matings Started in Spring or’summer on the Reproductive Performance of Hampshire Down ewes<B>”;. Semina: Ciências Agrárias 20 (1):39-43. https://doi.org/10.5433/1679-0359.1999v20n1p39.