Use of eCG in progestogen based estrus sinchronization programs for hair ewes. Agro Productividad, [S. l.], 2026. DOI: 10.32854/v3zm1e54. Disponível em: https://mail.revista-agroproductividad.org/index.php/agroproductividad/article/view/3645. Acesso em: 20 apr. 2026.