Due to their high nutritive value and positive effects on rumen function, tree and shrub foliage has been recognized as potentially high quality feed for ruminants for supplying protein and minerals (Van et al., 2005). ...

Livestock in East Africa have been reported to play a valuable role in sustainable agricultural systems (Bebe , ２００３ ; Winrock International , １９９２) where together with crops they make sustainable natural resource use ...