In this article the authors map the Nairobi beef, sheep and goat systems structure and flows to identify deficiencies and vulnerabilities to shocks. Nairobi is a large rapidly-growing city whose demand for beef, mutton and goat products is expected to double by 2030. A mapping analysis was done in three different dimensions: people and product profiling (interactions of people and products), geographical (routes of animals and products) and temporal mapping (seasonal fluctuations). »