Bowman et al., 1988. Anim. Feed Sci. Technol., 20 (1): 33-44 Document reference Bowman, J. P. G. ; Asplund, J. M., 1988. Nitrogen utilization, ruminal fermentations and abomasal nitrogen flow in sheep fed caucasian bluestem hay supplemented with lucerne or urea. Anim. Feed Sci. Technol., 20 (1): 33-44Web https://doi.org/10.1016/0377-8401(88)90125-3Citation key Bowman et al., 1988