1. Tribo Flow Separations, 2324 Lilac Park, Lexington, KY 40509, USA
2. Ferm Solutions Inc. 445 Roy Arnold Avenue, Danville, KY 40423, USA
3. Department of Animal & Food Sciences, University of Kentucky, Lexington, KY 40546, USA
4. Department of Biosystems and Agricultural Engineering, University of Kentucky, Lexington, KY 40546, USA
5. Department of Civil and Materials Engineering, University of Illinois at Chicago, Chicago, IL 60607-7023, USA