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5 Written questions

5 Matching questions

  1. Sire Summaries
  2. Replacement Rate
  3. Truncation Selection
  4. Genetic Variation
  5. Accuracy of Selection
  1. a Variability of BV for a trait in the population. The greater the genetic variation, the greater the difference between superior and inferior animals.
  2. b Rate at which selected individuals replace existing parents in the population.
  3. c Correlation between true BV and predicted breeding value for a trait in a population.
  4. d Lists of genetic predictions, accuracy values, and other information for sires within a breed.
  5. e Selection based on performance above a certain level.

5 Multiple choice questions

  1. Ratio of individual performance compared to contemporary group mean.
  2. Traits for which individual animals have multiple performance records. (milk production, calf weaning weight)
  3. Indicator of the expected change in one trait relative to change in another trait in a population.
  4. Training, permanent injury, developmental programming.
  5. Calculate a combined "breeding value" based on several traits.

5 True/False questions

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

          

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

          

  3. Independent Culling LevelsSet a minimum performance level for each trait being considered. Cull any animal that does not meet the standard for every trait.

          

  4. Producing Abilityperformance potential for a repeated trait in an individual.

          

  5. Accurate MeasurementCorrelation between true BV and predicted breeding value for a trait in a population.