SINGH, JAGIR; GHUMAN, S P S; HONPARKHE, M; DADARWAL, D. Risk factors for prolonged estrus in crossbred dairy cattle. The Indian Journal of Animal Sciences, Delhi, India, v. 82, n. 1, 2012. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/13828. Acesso em: 29 oct. 2025.