Use of a production region model to evaluate biosecurity protocol efficacy for reducing the risk of porcine reproductive and respiratory syndrome virus and Mycoplasma hyopneumoniae spread between farms

Porcine reproductive and respiratory syndrome virus (PRRSV) and Mycoplasma hyopneumoniae (M hyo) are economically significant pathogens of the respiratory tract of the pig. While elimination of these pathogens from individual farms is possible, re-infection via the airborne route is a…