Supplementation of selenium, vitamin E and canola oil in the diet of feedlot cattle alters the expression of antioxidant and Nrf2 gene - Greghi, Gisele Fernanda; Saran Netto, Arlindo; Fukumasu, Heidge; Latorre, Andréia Oliveira; Alexandre, Pâmela Almeida; Correa, Lísia Bertonha; Zanetti, Marcus Antônio (Annual Meeting of Brazilian Society of Animal Science, 2013)