Skip to main content

Advertisement

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