Mertens, 1977. Proc. Georgia Nutr. Conf. Feed Ind., 30–41. Athens, USA Document reference Mertens, D. R., 1977. Importance and measurement of protein insolubility in ruminant diets. Proc. Georgia Nutr. Conf. Feed Ind., 30–41. Athens, USACitation key Mertens, 1977Datasheets Corn gluten feed