SILVA, R. O. DA; OLIVEIRA, R. P. M. DE; SILVA, A. F.; OLIVEIRA, F. F. DE; RUFINO, J. P. F.; SILVA, M. L. M. DA. Effect of different protocols for estrus synchronization on reproductive performance of Santa InĂªs ewes under Amazon environmental conditions . Acta Scientiarum. Animal Sciences, v. 43, n. 1, p. e48954, 19 ago. 2020.