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10-637 Animal Models
Lesson 7 Assignment
L. R. Schaeffer, March 1999

Below are pedigrees of nine animals.

Animal Sire Dam
1 - -
2 - -
3 1 2
4 1 3
5 4 2
6 5 3
7 1 6
8 4 7
9 5 8

1.
Using the method in Meuwissen and Luo (1992), calculate Bii and Fi values for all animals.
2.
Using Bii from above and Henderson's rules, write out ${\bf A}^{-1}$ and verify that it is correct by pre- and post- multiplication with ${\bf A}$ in SAS.



Larry Schaeffer
1999-02-26