Cancio, C.R.B. et al. 1992. Age at first parturition, parturition intervals, and milk production in saanen, marota and crossbred goat’s. Pesquisa Agropecuaria Brasileira. 27, 1 (Jan. 1992), 53–59. DOI:https://doi.org/10.1590/S1678-3921.pab1992.v27.3618.