SANTRA, A.; KARIM, S A. Rumen cannulation in sheep and goats: Fabrication of cannula and surgical procedure for its implantation. The Indian Journal of Animal Sciences, Delhi, India, v. 72, n. 11, 2014. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/37919. Acesso em: 23 oct. 2025.