Example 2 as previously distributed with DFREML

Bivariate analysis of mouse data given in GSE 23:67-81 (1991)
3 crossclassified fixed effects
animal and litter effects as random effects
same model for both traits
all traits recorded for all animals

A: Animal model
B: Sire model
C: Animal model; illustrates prediction of random effects for trait 2 from trait 1