SINGH, KISHAN; SINGH, G P. Effect of concentrate levels in diet of cattle on rumen micro-organisms. The Indian Journal of Animal Sciences, Delhi, India, v. 67, n. 4, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/34359. Acesso em: 24 oct. 2025.