DUTTA, NARAYAN; SHARMA, K; SINGH, M; NAGABHUSHANA, V. Supplementation of cobalt and copper on wheat straw utilization by in-vitro and its influence on the performance of calves. The Indian Journal of Animal Sciences, Delhi, India, v. 79, n. 6, 2011. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/2914. Acesso em: 23 oct. 2025.