1. Department of Biological and Agricultural Engineering; University of Arkansas; Fayetteville AR 72701
2. USDA-ARS; Poultry Production and Product Safety Research Unit; Fayetteville AR 72701
3. USDA-NRCS; National Water Management Center; Little Rock AR 72203
4. USDA-ARS; Pasture Systems and Watershed Management Research Unit; University Park PA 16802
5. Department of Crop, Soil, and Environmental Sciences; University of Arkansas; Fayetteville AR 72701