Bueno, M.S. and Vitti, D.M.S.S. 1999. Phosphorus levels for goats: endogenous fecal loss and net requirement for maintenance. Pesquisa Agropecuaria Brasileira. 34, 4 (Apr. 1999), 675–681. DOI:https://doi.org/10.1590/S1678-3921.pab1999.v34.5213.