The manner in which manure is collected can have an impact on emissions. By segregating liquids and solids, it is possible to increase the nitrogen retention in the liquid portion of the manure thereby reducing ammonia emissions. These systems require handling two waste streams.

This fact sheet is part of the Air Management Practices Assessment Tool (AMPAT) developed at Iowa State University and funded by the National Pork Board. Additional resources can be found on the AMPAT web site.