TY - JOUR T1 - Analysis of superoxide dismutase (SOD) activity in itik Pinas-itim (Anas platyrhynchos L.) semen cryopreserved using either glycerol or dimethyl sulfoxide (DMSO) as cryoprotectant JF - The Philippine Journal of Veterinary Medicine A1 - Sigua, Julianne Louis A2 - Landicho, Marysol M. A2 - Dichoso, Geleo A. A2 - Sangel, Percival P. LA - English YR - 2022 UL - https://tuklas.up.edu.ph/Record/IPP-00000656860 KW - Biological preservation KW - Native duck, Itik Pinas ER -