ILCA Bulletin No. 35 - December 1989

Acacia Addis Ababa agropastoralists ammonia amount analysis animals areas assess benefit breed brevispica cattle Centre for Africa chemistry compared comparison complexes compounds constraints cost crop crude protein cultivated cyanophylla depends diets digestibility economic effects Ethiopia evaluation factors faecal fallows farmers farms feed fibre Figure fodder banks Food forage fractions fruits GB+GS glucose grain growth herds ILCA ILCA International Livestock important improvement increased insoluble intake International Livestock Centre Journal labour land legumes levels loss lower major Network Nigeria nitrogen nutritional objectives on-farm on-station performance testing phenolic plant polyphenolics possible proanthocyanidins production production systems programmes recording reduce Reed rumen ruminants sesban seyal sheep Soest soil soluble phenolics sorghum Source sowing species studies stylo sub-Saharan Africa subhumid zone supplements Table Tanner tannins techniques true undersowing units urinary Woodward yields