MAHMOOD, Firas Ahmed; H.K, Al-Waith; AL-AMERI, Maad Hasani. Estimation of breeding value, genetic variation of reproductive performance by genotyping of DRB3 gene in Holstein cows. Kufa Journal for Agricultural Sciences, Kufa, Najaf, IRAQ, v. 17, n. 4, p. 114–122, 2025. DOI: 10.36077/kjas/2025/v17i4.13555. Disponível em: https://journal.uokufa.edu.iq/index.php/kjas/article/view/13555. Acesso em: 10 jun. 2026.