Effects of feed intake level on efficiency of microbial protein synthesis and nitrogen balance in Boran steers consuming tropical poor-quality forage - Wassie, Shimels Eshete; Ali, A.I.M.; Korir, Daniel; Butterbach-Bahl, Klaus; Goopy, John P.; Merbold, Lutz; Schlecht, Eva; Dickhoefer, Uta (Informa UK Limited, 2019)