Fig. 4From: Vaccination control programs for multiple livestock host species: an age-stratified, seasonal transmission model for brucellosis control in endemic settingsTime to elimination of sheep brucellosis (to <0.5 % seropositive due to infection as opposed to vaccination) after mass vaccination followed by vaccination of replacements on a mixed sheep-cattle farm, using the fitted transmission model, assuming the ratio of cows: sheep was changed to 1:10Back to article page