Alonso, C.N. et al. 2021. Effect of egg yolk-based extender and seminal plasma removal on sperm viability of cooled donkey semen. Brazilian Journal of Veterinary Research and Animal Science. 58, (Apr. 2021), e174301. DOI:https://doi.org/10.11606/issn.1678-4456.bjvras.2021.174301.