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Table 4 Genetic (above the diagonal) and phenotypic (below the diagonal) correlations between heifer traits using a two-trait model

From: Variance components and correlations of female fertility traits in Chinese Holstein population

Traita

IFLh

CRh

AISh

NRR56h

IFLh

 

−0.86

0.85

−0.63

 

(0.06)

(0.04)

(0.12)

CRh

−0.58

 

−0.94

0.84

(2.24 E-03)

 

(0.03)

(0.06)

AISh

0.80

−0.70

 

−0.87

(1.24 E-03)

(1.72 E-03)

 

(0.06)

NRR56h

−0.26

0.76

−0.56

 

(3.14 E-03)

(1.42 E-03)

(2.32 E-03)

 
  1. a IFLh interval from first to last insemination in heifers, CRh conception rate at first insemination in heifers, AISh number of inseminations per conception in heifers, NRR56h non-return rate within 56 days after first insemination in heifers
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Journal of Animal Science and Biotechnology

ISSN: 2049-1891