Research Summaries Invisible workers: the economic contribution of working donkeys, horses and mules to livelihoods Tackling epizootic lymphangitis in partnership The burden of animal disease in working equids in Ethiopia Prevalence of heat stress in horses, donkeys and mules working in brick-kilns in India The socioeconomic contribution of donkeys in Burkina Faso Exploring barriers to improved farriery services in India Invisible helpers: voices from women The role of donkeys in Karachi’s waste management system The socio-economic contribution of working equids in Senegal Why do people whip donkeys? Using human behaviour change science to understand why people whip donkeys in Kenya.