Table 2

Estimated heritability (± standard errors, on diagonal) and genetic correlations (± standard errors, above diagonal) for excretion traits.

CDUDM1

FEW/BW

DEW/BW

FEW/FI

WE

NE/NI

PE/PI

NE/PE


CDUDM

0.30 ± 0.02

-0.94 ± ne

-0.93 ± ne

-0.64 ± ne2

0.39 ± ne

-1.00 ± ne

-0.68 ± 0.07

-0.87 ± ne

FEW/BW

0.09 ± 0.01

1.00 ± 0.01

0.76 ± 0.07

-0.22 ± 0.25

0.82 ± ne

0.43 ± 0.18

0.76 ± 0.23

DEW/BW

0.20 ± 0.03

0.51 ± 0.09

-0.37 ± 0.15

0.76 ± ne

0.36 ± 0.08

0.67 ± 0.13

FEW/FI

0.17 ± 0.04

0.54 ± ne

0.67 ± ne

0.87 ± 0.08

-0.05 ± 0.17

WE

0.13 ± 0.05

-0.34 ± ne

0.33 ± 0.17

-0.75 ± 0.12

NE/NI

0.29 ± 0.02

0.74 ± 0.06

0.58 ± ne

PE/PI

0.22 ± 0.04

-0.11 ± ne

NE/PE

0.18 ± 0.04


1 CDUDM, coefficient of digestive use of dry matter; FEW/BW and DEW/BW, fresh and dry excreta weight relative to body weight at 23 d; FEW/FI, fresh excreta weight relative to feed intake, WE, water content of excreta, NE/PE, ratio of nitrogen to phosphorus excretion; NE/NI, PE/PI, nitrogen and phosphorus excreted relative to nitrogen and phosphorus intake

2 ne: not estimated

de Verdal et al. BMC Genetics 2011 12:71   doi:10.1186/1471-2156-12-71

Open Data