Wisman et al., 1965. Poult. Sci., 44: 1332-1333 Document reference Wisman, E.L. ; Beane, W.L., 1965. Utilization of hatchery by-product meal by the laying hen. Poult. Sci., 44: 1332-1333Citation key Wisman et al., 1965Datasheets Hatchery by-product meal