Jess D Reed1, Victor de Freitas2. 1. Reed Research Group, Department of Animal Sciences, University of Wisconsin-Madison, 1675 Observatory Drive, Madison, Wisconsin 53706, United States. 2. REQUIMTE, LAQV, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Rua do Campo Alegre 687, 4169-007 Porto, Portugal.