Why is high milk production a desirable trait?

The dairy industry faces a unique challenge to constantly improve functionality of the dairy cow to meet the needs of future production and reproduction demands. Today’s classification program focuses on a comprehensive set of descriptive traits that describe the animal’s strengths and weaknesses and that collectively depict overall functionality. Since conformation traits are heritable and have been shown to be linked with functionality, selection for conformational traits is an effective tool to facilitate genetic improvement in functionality [11] .

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option (b) heat is right answer