KRISHNAPPA, Balaganur; KUMAR, Davendra; NAQVI, S M K. Oestrus synchronization and artificial insemination in sheep. Indian Farming, Delhi, India, v. 70, n. 7, 2021. Disponível em: https://epubs.icar.org.in/index.php/IndFarm/article/view/109530. Acesso em: 24 oct. 2025.