Campos et al., 2020. J. Cleaner Prod., 252: 119845 Document reference Campos, I.; Pinheiro Valente, L. M.; Matos, E.; Marques, P.; Freire, F., 2020. Life-cycle assessment of animal feed ingredients: Poultry fat, poultry by-product meal and hydrolyzed feather meal. J. Cleaner Prod., 252: 119845Web https://doi.org/10.1016/j.jclepro.2019.119845Citation key Campos et al., 2020Datasheets Feather meal