Larry D. Jacobson

Introduction During the past few years, there has been growing concern expressed by the public over the continued use of individual stalls in gestation or pregnant sow housing systems. In the United States, this has resulted in legislation by a number of states to ban individual stalls or pressure from retailers like McDonalds and Safeway (grocery food chain) to not purchase pork raised in facili ...

Introduction Growing pigs produce tremendous amounts of heat (Brown-Brandl, et al. 2004) and when raised in confinement facilities this heat must be removed by the barn's environmental control system (Brumm, 2012). Standard barn ventilation systems that use ambient or outside air to remove this heat has only limited capacity to control rising barn temperaturesduring warm and hot weather. For this ...