The relation of the nutritional composition of TMR and the urea concentration in milk for evaluation nutrition and efficiency of protein utilization in lactating dairy cows. ANIM WELFARE ETOL TARTÁSTECHN [Internet]. 2020 May 29 [cited 2024 Dec. 22];16(1):51-60. Available from: https://journal.uni-mate.hu/index.php/aweth/article/view/6454