Table 2 Genetic parameters, heritability, and repeatability for the evaluated physiological traits under heat stress
Trait | \({\boldsymbol{\upsigma}}_{\mathbf{a}}^{\mathbf{2}}\) | \({\boldsymbol{\upsigma}}_{\mathbf{PE}}^{\mathbf{2}}\) | \({\boldsymbol{\upsigma}}_{\mathbf{e}}^{\mathbf{2}}\) | Heritability (SE) | Repeatability |
|---|---|---|---|---|---|
Rectal temperature | 0.015 | 0.03 | 0.20 | 0.06(0.01) | 0.19 |
Respiratory rate score | 0.016 | 0.03 | 0.31 | 0.04(0.01) | 0.13 |
Drooling score | 0.011 | 0.03 | 0.29 | 0.03(0.01) | 0.12 |