Isti Annisa Ramahtia, Tatik Hernawati, Tri Wahyu Suprayogi, Tjuk Imam Restiadi, Djoko Legowo and Samuel Inioluwa Akeju 2024. The addition of duck egg yolk in skim milk – fructose extender maintains sperm motility and viability of Muscovy duck (Cairina moschata) at 5°C storage. Ovozoa: Journal of Animal Reproduction. 13, 1 (Mar. 2024), 1–8. DOI:https://doi.org/10.20473/ovz.v13i1.2024.1-8.