Dr . Kamlet also used a non-protein nitrogen supplement in feeds and fodder.
2.
Melamine use as non-protein nitrogen ( NPN ) for cattle was described in a 1958 patent.
3.
It also mentions in passing the product makes use of " NPN " which is an acronym for non-protein nitrogen.
4.
Some studies suggest that chestnut tannins have positive effects on silage quality in the NPNs ( non protein nitrogen ) in the lowest wilting level.
5.
Non-protein nitrogen-containing compounds, making up 25 % of the milk's nitrogen, include urea, uric acid, creatine, creatinine, amino acids, and nucleotides.
6.
The non-protein nitrogen ( NPN ) accounts for an average of 16 % of total nitrogen in donkey milk, is much closer than values reported for human milk ( 20 % ) but higher than those of domestic ruminants ( 5 % ).
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