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Samples in periodicals archive:
Nonprotein nitrogen contents of ODPs were measured using the micro-kjeldahl method after removing the protein by 5% trichloroacetic acid.
Our results show that total and nonprotein nitrogen covaried during the year, resulting in a protein content that peaked in the warmest months.
Protein and nonprotein nitrogen utilization in dairy cattle.
Evaluation of condensed molasses fermentation solubles as a nonprotein nitrogen source for ruminants.
Ruminant animals such as cattle can take nonprotein nitrogen and make protein out of it, so nitrogen can be a protein source in a feed supplement," explains Hammond, who is at ARS' Subtropical Agricultural Research Station at Brooksville, Florida.