TABLE 20-15, Residual Analyses for Predictions of Fecal Nutrient Output (kg/d) - Nutrient Requirements of Dairy Cattle

Variable Equation	Fe_CP Equation 20-138	Fe_NDF Equation 20-120	Fe_St Equation 20-98	Fe_FA Equation 20-162	Fe_OM Equation 20-166
N	458	412	203	121	448
Observed mean	1.08	3.24	0.451	0.340	5.58
Predicted mean	0.89	3.20	0.666	0.312	5.00
CCC	0.53	0.77	0.27	0.80	0.71
RMSE	0.29	0.56	0.45	0.093	1.04
RMSE, % mean	26.8	17.4	99.8	27.4	18.7
Mean bias, % MSE	40.9	0.3	22.8	9.0	30.9
Slope bias, % MSE	9.8	0.2	22.2	4.4	0.1
Mean bias	0.2	0.0	−0.2	0.0	0.6
Slope bias	0.51	0.03	−0.65	0.16	0.02
P, mean bias	0.00	0.26	0.00	0.00	0.00
P, slope bias	0.0001	0.41	0.0001	0.02	0.49

From: 20, Model Description and Evaluation

Cover of Nutrient Requirements of Dairy Cattle

Nutrient Requirements of Dairy Cattle: Eighth Revised Edition.

National Academies of Sciences, Engineering, and Medicine; Division on Earth and Life Studies; Board on Agriculture and Natural Resources; Committee on Nutrient Requirements of Dairy Cattle.

Washington (DC): National Academies Press (US); 2021 Aug 30.

NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.

TABLE 20-15Residual Analyses for Predictions of Fecal Nutrient Output (kg/d)