Shimoda, E. et al. 2007. Use of spermatocrit to estimate sperm concentration of semen from piabanha (Brycon insignis). Brazilian Journal of Veterinary Research and Animal Science. 44, supl. (Dec. 2007), 19–24. DOI:https://doi.org/10.11606/issn.1678-4456.bjvras.2007.26585.