The nitrogen content material of feed multiplied by a set issue, usually 6.25, yields an estimate of the whole protein current. This calculation assumes that proteins include, on common, 16% nitrogen. This worth represents the whole nitrogenous substances, each true protein and non-protein nitrogen, in a feedstuff. For instance, a feed evaluation displaying 4% nitrogen can be reported as having a calculated complete protein content material of 25% (4 x 6.25 = 25).
This measurement is key in animal vitamin, offering a fast and comparatively cheap strategy to assess the dietary worth of feedstuffs. Livestock require ample protein of their diets for development, upkeep, and copy. This evaluation helps nutritionists formulate balanced rations that meet these necessities. Traditionally, this evaluation has been a cornerstone of feed evaluation, permitting for standardization within the feeding of agricultural animals.