1. Laboratory of Swine Research, Department of Animal Nutrition and Production, School of Veterinary Medicine and Animal Science, University of Sao Paulo, Avenida Duque de Caxias Norte, 225 Campus da USP, 13635-900, Pirassununga, SP, Brazil
2. Laboratories of In Vitro Fertilization, Cloning and Animal Transgenesis, Department of Animal Reproduction, School of Veterinary Medicine and Animal Science, University of Sao Paulo, Avenida Professor Doutor Orlando de Marques Paiva, 87 Cidade Universitária, 05508-270, São Paulo, SP, Brazil
3. Biochemistry and Animal Physiology Laboratory, Department of Animal Nutrition and Production, School of Veterinary Medicine and Animal Science, University of Sao Paulo, Avenida Duque de Caxias Norte, 225 Campus da USP, 13635-900, Pirassununga, SP, Brazil.