Effect of genetic and non-genetic factors on some productive and reproductive traits of Holstein cows in the middle of Iraq. Tikrit Journal of Veterinary Science, [S. l.], v. 3, n. 1, p. 81–93, 2024. DOI: 10.25130/tjvs.3.1.7. Disponível em: https://tjvs.tu.edu.iq/index.php/tjvs/article/view/74. Acesso em: 22 oct. 2025.