Abstract:
We explored observed risk factors and drivers of infection possibly associated with African swine fever
(ASF) epidemiology in Uganda. Representative sub-populations of pig farms and statistics were used in
a case-control model. Indiscriminate disposal of pig viscera and waste materials after slaughter, including
on open refuse dumps, farm-gate buyers collecting pigs and pig products from within a farm, and
retention of survivor pigs were plausible risk factors. Wire mesh-protected windows in pig houses were
found to be protective against ASF infection. Sighting engorged ticks on pigs, the presence of a lock for
each pig pen and/or a gate at the farm entrance were significantly associated with infection/noninfection;
possible explanations were offered. Strict adherence to planned within-farm and communitybased
biosecurity, and avoidance of identified risk factors is recommended to reduce infection. Training
for small-scale and emerging farmers should involve multidimensional and multidisciplinary approaches
to reduce human-related risky behaviours driving infection.
