Clinical Study of Estrus Appearance Time, Duration of Estrus and Effect of Temperature and Lighting Hours on Estrus in Iraqi Mares. International Journal of Biological Engineering and Agriculture, [S. l.], v. 2, n. 6, p. 40–45, 2023. DOI: 10.51699/ijbea.v2i6.2041. Disponível em: https://inter-publishing.com/index.php/IJBEA/article/view/2041. Acesso em: 31 jul. 2026.