Machin et al., 1984. Anim. Feed Sci. Technol., 11 (4): 247-259 Document reference Machin, D. H. ; Hector, D. A. ; Capper, B. S. ; Carter, P. M., 1984. The utilization by broiler chickens of poultry offal hydrolysed in formic acid. Anim. Feed Sci. Technol., 11 (4): 247-259Web https://doi.org/10.1016/0377-8401(84)90040-3Citation key Machin et al., 1984Datasheets Poultry by-product meal