Production traits in F1 and F2 crosses with naturalized hair breed Santa Inês ewes - Silva, Alessandra Ferreira da; McManus, Concepta Margaret; Paim, Tiago do Prado; Dallago, Bruno Stéfano Lima; Esteves, Geisa Isilda Ferreira; Louvandini, Helder; Braccini Neto, José; Lucci, Carolina Madeira (SpringerPlus, 2014)