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Table 3 Genetic parameters of resilience phenotypes expressed as milk production change per unit increase in weather variables

From: Genetic analysis of novel phenotypes for farm animal resilience to weather variability

PhenotypeVPVAh2rA
T2.06E-3 ± 2.27E-5*2.18E-4 ± 2.79E-5*0.11 ± 0.01*0.05 ± 0.07
abs (T)6.70E-3 ± 7.30E-5*6.13E-4 ± 8.68E-5*0.09 ± 0.01*0.46 ± 0.07*
THI7.51E-4 ± 8.27E-6*7.92E-5 ± 1.01E-5*0.11 ± 0.01*0.04 ± 0.07
abs (THI)4.03E-3 ± 4.39E-5*3.63E-4 ± 5.20E-5*0.09 ± 0.01*0.46 ± 0.07*
  1. T Performance change per unit of temperature (°C) change, THI Performance change per unit of temperature-humidity index change, abs Absolute value of corresponding performance change (square root transformed), VP Phenotypic variance, VA Additive variance, h2 Heritability, rA Genetic correlation with total lifetime milk yield (square root transformed)