Pedroso, A. de F. et al. (2006) “Performance of Holstein heifers fed sugarcane silages treated with urea, sodium benzoate or Lactobacillus buchneri”, Pesquisa Agropecuaria Brasileira, 41(4), pp. 649–654. doi:10.1590/S1678-3921.pab2006.v41.7187.