We designed this on-farm assessment to determine how well a current VES-Artex ventilation system, combined with feedline and holding area soaking, is mitigating heat stress and maintaining the internal barn environment in the upper Midwest.

The main issue we were seeking to explore was three-fold. First and foremost is why it is so crucial to limit the magnitude of heat stress and the internal barn environment temperature and the direct relationship on cows’ decreased milk production. Additionally, we sought to bring clarity to the impact of a partial neutral pressure ventilation system in a 1200'L barn on the outside THI versus THI inside of the barn. Traditionally, tunnel barns over 500'L were not recommended because it was thought that the rise in temperature, humidity, and noxious gases would be excessive. 

Read the full assessment and findings in the White Paper here