This paper describes the current approach used to model enhanced livestock densities of the world, adjusted to match official FAOSTAT national estimates for the reference year 2005. It presents new global distribution maps for cattle, pigs, and chickens. The digital layers are publicly available here.
Robinson TP, Wint GRW, Conchedda G, Van Boeckel TP, Ercoli V, Palamara E, Cinardi G, D’Aietti L, Hay SI, Gilbert, M
2014
PLoS ONE
Resource Link