Sarah E. Lyons1, Quirine M. Ketterings2, Zhehan Tang3, Shona Ort4, Gregory Godwin5, Karl J. Czymmek6, Sheryl Swink5 and Thomas F. Kilcer7, (1)New York, Cornell University, Ithaca, NY, (2)Animal Science, Nutrient Management Spear Program, Cornell University, Ithaca, NY, (3)California, University of California-Davis, Davis, CA, (4)Cornell University, Ithaca, NY, (5)Animal Science, Cornell University, Ithaca, NY, (6)Department of Animal Science, Cornell University - Nutrient Management Spear Program, Ithaca, NY, (7)Advanced Ag Systems, Kinderhook, NY