Analysis of some normal parameters of the spermiogram of captive capuchin monkeys (Cebus apella Linnaeus, 1758) - Barnabe, Renato Campanarut; Guimarães, Marcelo Alcindo de Barros Vaz; Oliveira, Cláudio Alvarenga de; Barnabe, Alexandre Hyppolito (Brazilian Journal of Veterinary Research and Animal Science, 2002)