Poultry Development ReviewExplore further
2021-2-8 · Invariably the protein content of grains is low and of poor quality. Net protein utiliza-tion (NPU) is an index of protein quality, calculated by multiplying protein digestibility by biological value. NPU of grains is generally less than 40. Rice is the exception, with NPU of about 60, but it is low in protein (7.5 percent). NPU of chicken eggs ...
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