Processing procedures developed to convert spent Leghorn hens into feedstuffs were studied. Heating freshly killed ground spent hens in a continuous fluidized bed oven followed by steeping in an insulated chamber or extruding produced pathogen-negative, high protein-high energy ingredients. When fed to broilers from days 1-21 at levels of 3-9%, these diets supported good growth and feed conversion.
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LYONS et al. (1996) studied this question.
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