Pathogen maintenance within wildlife populations and spillover to livestock has been reported as a precursor to disease emergence in humans and animals worldwide. As such, there has been growing interest in applying knowledge synthesis methods to trace and quantify the zoonotic origins of human diseases . Though zoonoses can and do impact directly on human health , comparatively less research has been directed toward understanding the origins of animal diseases, particularly at the wildlife–livestock interface, as well as the associated impacts on each sector: