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5 Written questions

5 Matching questions

  1. Heritability
  2. Truncation Selection
  3. Characteristics of Repeatability
  4. Repeatability
  5. Producing Ability
  1. a performance potential for a repeated trait in an individual.
  2. b Measure of the strength of the relationship between P and BV for a trait in a population.
  3. c -not fixed, varies across populations and environments
    -used for making culling decisions
  4. d Selection based on performance above a certain level.
  5. e Measure of the strength of the relationship between repeated records for a trait in a population.

5 Multiple choice questions

  1. Important for individual performance
  2. Genetic value as a parent. Indication of potential to contribute to offspring.
  3. Set a minimum performance level for each trait being considered. Cull any animal that does not meet the standard for every trait.
  4. Manage animals to keep environmental effects as similar as possible across the population.
  5. Rate at which selected individuals replace existing parents in the population.

5 True/False questions

  1. Rate of Genetic ChangeResponse due to selection


  2. Selection IntensityCalculate a combined "breeding value" based on several traits.


  3. Temporary Environmental EffectTraining, permanent injury, developmental programming.


  4. Sire SummariesRatio of individual performance compared to contemporary group mean.


  5. Repeated TraitsTraits for which individual animals have multiple performance records. (milk production, calf weaning weight)


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