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G89-989 How To Interpret The New Animal Model For Dairy Sire Evaluation, Jeffrey F. Keown
G89-989 How To Interpret The New Animal Model For Dairy Sire Evaluation, Jeffrey F. Keown
University of Nebraska-Lincoln Extension: Historical Materials
In question and answer format this NebGuide addresses changes in genetic evaluations of both dairy cows and sores.
Why is the United States Department of Agriculture (USDA) changing the dairy sire and cow evaluation system?
The answer is simple. The Animal Model for genetic evaluations is more accurate than the old Modified Contemporary Comparison Method (M.C.C.). Previously the major limiting factors to implementing the Animal Model were computing costs and memory requirements. With the advent of new Super Computers, the computations are feasible on a national scale.
What is the Animal Model?
The Animal Model simultaneously evaluates cows and sires …