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. 2014 Jan 21;93(2):241–255. doi: 10.3382/ps.2013-03390

Table 7.

Proximate composition of feed inputs used for calculating intake, excretion, and losses of N and P

Feed ingredient % N % P
Corn 1.224 0.260
Corn dried distillers grains with solubles 4.224 0.710
Soybean meal 6.899 0.620
Bakery by-product 1.728 0.250
Wheat middlings 2.706 0.910
Alfalfa hay (17% CP) 2.720 0.250
Meat and bone meal 8.000 4.000
Fish meal (66% CP) 10.56 3.150
Fat 0 0
Limestone 0 0.020
Phosphate 0 0.4364
Trace vitamins 0 0
Methionine 8.750 0