Council on Dairy Cattle Breeding
meeting April 2010
(
9
)
How was the adjustment made?
l
Deregressed Mendelian Sampling (MS) =
l
(PTA-PA) / f(REL)
l
Adj. MS = .84*MS - 784
l
Adj. PTA = f(REL)*(Adj. MS+ PA
n
) + (1- f(REL)*PA
n
)
l
f(REL) = weight in PTA from own records and progeny