If the model of analysis contains random effect(s) which are assumed to be distributed proportional to the numerator relationship matrix, a pedigree file is required. It is expected to have the following features:
1. There is no ’default’ name for the pedigree file. File names up to 30 characters long are accommodated.
2. The pedigree file must contain one line for each animal in the data. Additional lines with pedigree information for parents without records themselves can be included.
3. Each line is expected to contain three integer variables :
All codes must be valid integer in the range of to . Additional, optional variables in the fourth or fifth column can be:
As for the data file, any lines at the beginning of the pedigree file with a ’#’ (hash sign) in column 1 are ignored.