SHAJI, Arsha; ELANGO, Kamaraj; KUMARESAN, Arumugam. Prolonged oestrus as a cause of infertility in dairy cattle – A review. Indian Journal of Dairy Science, India, v. 74, n. 5, 2021. Disponível em: https://epubs.icar.org.in/index.php/IJDS/article/view/113907. Acesso em: 11 jun. 2026.