With increasing porcine reproductive and respiratory syndrome virus pressure in Nebraska, The Maschhoffs knew their naïve sow herd was at high risk for exposure. However, when the late 2021 and early 2022 sow breaks occurred within their Nebraska system, there were no obvious ‘smoking guns.’ Corrine Fruge, The Maschhoffs, joins us to discuss the investigation as well as risks from the area, weather, animal movements and supply entry.