From: The use of milk Fourier transform mid-infrared spectra and milk yield to estimate heat production as a measure of efficiency of dairy cows
Trait
Prediction model
Calibration
LVc
Cross Validation
External Validation
R2
RMSEPb
R2CV
RMSECVd
R2V
RMSEVe
Heat production, kJ/kg BW0.75
M1a
0.23
99.9
14
0.25
86.7
0.18
114.1
M2a
0.52
93.2
4
0.55
89.4
0.48
84.0
M3a
0.54
91.2
5
0.57
86.5
0.47
95.5