Freeman, 2008. PhD Thesis. North Carolina State University, Raleigh, USA Document reference Freeman, S. R., 2008. Utilization of poultry byproducts as protein sources in ruminant diets. PhD Thesis. North Carolina State University, Raleigh, USAWeb http://repository.lib.ncsu.edu/ir/bitstream/1840.16/4889/1/etd.pdfCitation key Freeman, 2008Datasheets Hatchery by-product mealPoultry by-product meal