Pregnancy rate in ewes injected with zinc oxide during an estrus synchronization protocol: Fertility in ewes injected with zinc oxide during a synchronization protocol. Agro Productividad, [S. l.], 2021. DOI: 10.32854/agrop.v14i6.1948. Disponível em: https://mail.revista-agroproductividad.org/index.php/agroproductividad/article/view/1948. Acesso em: 17 apr. 2026.