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Table 3 Genetic parameters 1 for calving ease, stillbirth and gestation length from later parities 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

0.03 (0.01)*

0.37 (0.17)*

0.50 (0.08)*

−0.27 (0.22)

−0.16 (0.22)

−0.22 (0.16)

DSB

0.02 (0.00)*

 

−0.08 (0.12)

−0.22 (0.31)

−0.88 (0.20)*

−0.24 (0.24)

DGL

0.41 (0.02)*

  

0.04 (0.14)

−0.30 (0.19)

0.01 (0.08)

MCE

0.02 (0.01)

   

0.67 (0.19)*

0.13 (0.18)

MSB

0.02 (0.01)*

    

−0.06 (0.25)

MGL

0.07 (0.01)*

     
  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