Efficiency of the replacement of cird-device on the synchronization treatment used in ewes during breeding season - Oliveira, M. E. F. [UNESP]; Cordeiro, M. F. [UNESP]; Teixeira, P. P. M. [UNESP]; Bicudo, Sony Dimas [UNESP]; Fonseca, J. F.; Vicente, W. R. R. [UNESP] (Wiley-Blackwell Publishing, Inc, 2010)