DHALI, A; MEHRA, R K; SIROHI, S K. Factors influencing milk urea concentration: intake of protein and energy, diurnal variation and effect of storage. The Indian Journal of Animal Sciences, Delhi, India, v. 75, n. 1, 2005. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/9655. Acesso em: 23 oct. 2025.