Silva, M.C. da et al. 2017. Effects of purified glycerin in balanced diets of chicken broilers treated from 22 to 42 days of age1. Semina: Ciências Agrárias. 38, 4 (Aug. 2017), 2083–2090. DOI:https://doi.org/10.5433/1679-0359.2017v38n4p2083.