INTmethodSCS specifies the interpolation method used for lactation curves for SCS. Valid values are "L" for linear interpolation and "G" for Morant and Gnanasakthy's (1989) curve C4. The default value is "G".
INTmethodSCS = 'G'
A Manual for Use of BESTPRED: A Program for Estimation of Lactation Yield and Persistency Using Best Prediction