KHAMPA, Sittisak; CHAOWARAT, Pala; SINGHALERT, Rungson; WANAPAT, Metha. Effects of Protein Level in Concentrate and Urea-Treated Corn Silage on Rumen Ecology and Milk Production in Lactating Dairy Cows. Pakistan Journal of Nutrition, Pakistan, v. 8, n. 5, p. 588–591, 2009. DOI: 10.3923/pjn.2009.588.591. Disponível em: https://pjnonline.org/pjn/article/view/860. Acesso em: 2 sep. 2025.