Effects of feeding high levels of cactus (Opuntia fícus-indica Mill) cladodes on urinary output and electrolyte excretion in goats - Vieira, Elvis Lima; Batista, A. M. V; Mustafa, A. F; Araújo, R. F. S; Soares, P. C; Ortolani, Enrico Lippi; Mori, Cristina Kiomi (Livestock Science, 2008)