Joao M.D. Dalmazo Sanchez1, Joao M.B. Vendramini2, Maria Lucia A. Silveira1, Lynn E. Sollenberger3, Jose C.B. Dubeux Jr.4, Phillip Lancaster2, Frank Kuwahara5, Ulysses Cecato6, James K. Yarborough1 and Vinicius C. Gomes1, (1)Range Cattle Research and Education Center, University of Florida, Ona, FL, (2)UF/IFAS Range Cattle Research and Education Center, University of Florida, Ona, FL, (3)3105 McCarty Hall B, PO Box 110500, University of Florida, Gainesville, FL, US, (4)North Florida Research and Education Center, University of Florida, Marianna, FL, (5)Department of Animal Sciences, Sao Paulo State University, Botucatu, Brazil, (6)Department of Animal Sciences, State University of Maringa, Maringa, Brazil