Ortiz, W.H., Quirino, C.R., Silva, A., Oliveira, C.S., Serapião R.V., Pacheco, A. and Bartholazzi, A. 2015. Association between BMP4 gene polymorphism and in vitro embryo production traits in Gyr cows. Revista Colombiana de Ciencias Pecuarias. 28, 2 (Apr. 2015), 156–164. DOI:https://doi.org/10.17533/udea.rccp.324920.