Options to improve livestock-water productivity (LWP) in the cattle corridor within the White Nile sub-basin in Uganda - Mpairwe, D.R.; Mutetikka, D.; Kiwuwa, G.H.; Mugerwa, S.; Owoyesigire, B.; Zziwa, Emmanuel; Peden, Donald G. (CGIAR Challenge Program on Water and Food, 2009)