Gonzáles Blanco JP, Rodolfo WingChing-Jones R. Milk Urea Nitrogen relationship with reproductive and productive parameters in Holstein, Jersey and their crosses. URJ [Internet]. 2016 Oct. 12 [cited 2024 Apr. 16];8(2):175-83. Available from: https://revistas.uned.ac.cr/index.php/cuadernos/article/view/1558