Usually there are four sources of records in a breeding farm. They are the record from animals themselves, from their parents, from their sibs and from their offspring. We can combine all the records into a multiple breeding value by a matrix in which the theoretical correlation coefficients between records of different relatives are presented.(S.S.Y.Young, 1961; J.S.Wu,1.977) We pick out the elements that we need from the matrix and solve a normal equation to find out the partial regression coefficients as the weight factor in the formula of multiple breeding value (MBV)

C. Wu

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume 7. Symposia (1), , 242–244, 1982
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