Caldas, E. L. C., Freitas Neto, L. M., Almeida-Irmão J. M., Ferreira-Silva, J. C., Silva, P. G. C., Veloso Neto, H. F., Neves, J. P., Moura, M. T., Lima, P. F. and Oliveira, M. A. L. (2015) “The influence of separation distance during the preconditioning period of the male effect approach on reproductive performance in sheep”, Veterinary Science Development, 5(1). doi: 10.4081/vsd.2015.5515.