“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., vol. 12, no. 2, pp. 149–160, Sep. 2025, doi: 10.3329/ralf.v12i2.83427.