Circulating leptin and its muscle gene expression in Nellore cattle with divergent feed efficiency - Mota, Lúcio Flávio Macedo; Bonafé, Cristina Moreira; Alexandre, Pâmela Almeida; Santana, Miguel Henrique de Almeida; Novais, Francisco José de; Toriyama, Erika; Pires, Aldrin Vieira; Silva, Saulo da Luz e; Leme, Paulo Roberto; Ferraz, José Bento Sterman; Fukumasu, Heidge (Journal of Animal Science and Biotechnology, 2017)