M CHANDRASEKHARAIAH, M; THULASI, A; SAMPATH, K T. Estimation of microbial protein synthesis efficiency in sheep using purine nitrogen index and nitrogen capture efficiency. The Indian Journal of Animal Sciences, Delhi, India, v. 80, n. 8, 2010. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/357. Acesso em: 14 jun. 2026.