Effect of Urea Treatment and Concentrate Proportions on Dry Matter Degradation of Different Roughages in the Rumen of Jersey Cows. Global Journal of Science Frontier Research, [S. l.], v. 13, n. 29, p. 1–10, 2013. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/. Acesso em: 26 oct. 2026.