In many parts of the world, the warmer months are long gone. And with the end of summer weather, means the end of running your barn ventilation, right? WRONG! Off season ventilation for your herd is just as crucial as the warmer months in terms of cow health and productivity. Dr. Mike Wolf, consulting veterinarian for VES-Artex, walks us through the challenges that come with ventilation during the off season, proper fan care and maintenance and solutions to utilize for ventilation efficiency and herd profitability.