Giachetto, P.F. et al. 2003. Performance and hormonal profile in broiler chickens fed with different energy levels during post restriction period. Pesquisa Agropecuaria Brasileira. 38, 6 (Jun. 2003), 697–702. DOI:https://doi.org/10.1590/S1678-3921.pab2003.v38.6626.