Silva, A.E.F. e, Dias, M.J., Dias, D.S. de O., Duarte, J.B. and Andrade, J.R.A. de 2008. EFFECT OF TIMING OF ARTIFICIAL INSEMINATION ON THE FERTILITY AND SEX RATIO IN NELORE HEIFERS. Brazilian Animal Science/ Ciência Animal Brasileira. 9, 4 (Dec. 2008), 997–1003. DOI:https://doi.org/10.5216/cab.v9i4.1668.