Cytoplasmic Darkness and PDIA3 Expression As Morphological and Molecular Indicators of Bovine Oocyte Competence for In Vitro Embryo Production: Cytoplasmic Darkness and PDIA3 in Bovine Oocytes. Res. Agric. Livest. Fish. 2025, 12 (2), 149-160. https://doi.org/10.3329/ralf.v12i2.83427.