ASREML mean model iteration1
 animal !P
 sire
 dam
 herd
 hys
 Am
 Asl
 Av
 x 2 !I #!-1
 E
 Pheno

pedbiva.dat !make
cows.dat !MAXIT 100

Pheno ~ x !r x.animal
2 1 1
4900	# number of records in environment 1; asreml will estimate different residual variances for both environments
5100	# number of records in environment 2
x.animal 2	#variance-covariance structure of the additive genetic effect
2 0 US 0.3 0.2 0.3
animal