disease control poultry livestock sheep diagnostics pastoralism value chains intensification innovation systems dairying crop residues feeds animal health research health NRM livestock-water drylands zoonotic diseases wildlife climate change agri-health water geodata fish cattle vaccines drought pigs fodder livestock-fish indigenous breeds goats animal production food safety environment livestock systems knowledge and information small ruminants epidemiology biotechnology biodiversity pro-poor livestock markets capacity strengthening emerging diseases trade crops genetics animal diseases impact assessment farming systems animal feeding vulnerability extension animal products animal breeding pigs agriculture food security livelihoods forages women nutrition crop-livestock