1. College of Technology and Agricultural Sciences, São Paulo State University (Unesp), Dracena, Brazil
2. Institute of Biosciences, Stable Isotopes Center, São Paulo State University (Unesp), Botucatu, Brazil
3. Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo (Usp), São Paulo, Brazil
4. Prestage Department of Poultry Science, North Carolina State University, Raleigh, NC, USA