In addition to being affordable, an exhaust treatment system typically imposes very little backpressure on the ventilation fans, which is important because high backpressure can reduce ventilation rate through the barn and adversely impact swine welfare and performance. swine barn ventilation systems, with emphasis on the engineered windbreak wall–vegetative strip system. This fact sheet provides information regarding exhaust air treatment methods compatible with existing U.S. Dietary manipulation, waste amendments, indoor air quality treatment (for example, sprinkling oil), and exhaust air treatment can all be used to reduce emissions from swine farms (Maurer et al. Hence, there is a need for methods to reduce air emissions from swine farms. Several other lawsuits are pending in North Carolina courts. These plaintiffs were neighbors of contract producers raising pigs for the swine integrator. Several nuisance lawsuits filed by several plaintiffs against a major swine integrator have led to $98 million in judgments (Yeomen 2020). The North Carolina Department of Environmental Quality’s Division of Air Quality has the authority to investigate odor complaints from swine operations, with some exceptions. Air emissions, particularly odor, from swine operations are a major challenge in North Carolina (the second largest U.S.
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