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Table 2 Genetic parameters 1 for calving ease, stillbirth and gestation length from first parity bivariate animal models

From: Evaluating alternate models to estimate genetic parameters of calving traits in United Kingdom Holstein-Friesian dairy cattle

Trait2

h 2

Trait2

DSB

DGL

MCE

MSB

MGL

DCE

0.12 (0.02)*

0.84 (0.18)*

0.18 (0.10)

−0.53 (0.13)*

0.28 (0.23)

0.02 (0.19)

DSB

0.02 (0.01)

 

−0.06 (0.27)

0.97 (0.23)*

0.37 (0.56)

−0.15 (0.14)

DGL

0.57 (0.05)*

  

0.09 (0.14)

−0.30 (0.23)

−0.23 (0.11)

MCE

0.05 (0.01)*

   

0.85 (0.13)*

−0.15 (0.12)

MSB

0.03 (0.01)*

    

0.65 (0.32)*

MGL

0.07 (0.02)*

     
  1. *P < 0.05; 1heritabilities and genetic correlations 2DCE = direct calving ease, DSB = direct stillbirth, DGL = direct gestation length, MCE = maternal calving ease, MSB = maternal stillbirth, MGL = maternal gestation length; standard errors are indicated in brackets.
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Genetics Selection Evolution

ISSN: 1297-9686