Due to a wealth of government-gathered data, we can construct a variety of graphs that capture different kinds of contacts between livestock-raising farms; for example, we might represent farms as nodes in a graph with edges where livestock trades have been made. I will talk about several graph theoretic questions (including graph modification and domination problems) that are important for livestock epidemiology, and several properties of livestock systems that allow us to address otherwise intractable problems. I’ll briefly address some of these questions on dynamic and multilayer versions of farm contact graphs.
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