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POPULATION GENETICS

POPULATION GENETICS. Quantitative traits and evaluation of phenotypic variance. Repeatability and correlation of quantitative traits Ing. Radovan KASARDA, PhD. Repeatability. is maximum criterion of inheritance criterion of possibility to repeat service (production)

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POPULATION GENETICS

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  1. POPULATION GENETICS Quantitative traits and evaluation of phenotypic variance. Repeatability and correlation of quantitative traits Ing. Radovan KASARDA, PhD.

  2. Repeatability • is maximum criterion of inheritance • criterion of possibility to repeat service (production) • expression of dependency of repetitions of observed trait • includes whole genotypic variance (not changing between repetitions) and part of environmental variance (same barn – permanent effect) • rop>>h2 • Methods of calculation: • correlation coefficient between repeated measurements (lactations) • One-way ANOVA

  3. Repeatability Correlation coefficient between repeated measurements (lactations)

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