AL-ANI, L.M.; AL-RAWI, A.A. Factors affecting dairy performance Friesian and Friesian X Iraqi crosses: Persistency of milk production. Al-Mukhtar Journal of Sciences, Albayda, Libya, v. 4, n. 1, p. 25–37, 1997. DOI: 10.54172/mjsc.v4i1.548. Disponível em: https://mdp.omu.edu.ly/journals/index.php/mjsc/article/view/2410. Acesso em: 6 may. 2026.