Rumen fermentation characteristics and rate of passage in crossbred steers and plasma metabolite concentrations in crossbred cows fed maize-lablab stover or oats-vetch hay ad libitum supplemented with graded levels lablab hay and/or wheat bran. - Mpairwe, D.R.; Sabiiti, E.N.; Umunna, N.N.; Tegegne, Azage; Osuji, P.O. (2001)