Table 5 |
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|
Genetic and environmental correlations between litter size and birth size traits (standard error) |
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|
Birth mass |
χ2 |
Birth head width |
χ2 |
|
|
|
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|
Genetic correlations |
||||
|
|
||||
|
LS direct - BS direct |
0.54 (0.23)* |
5.00 |
0.47 (0.26)* |
3.34 |
|
|
||||
|
LS direct - BS maternal |
-0.30 (0.23) |
1.20 |
-0.47 (0.38) |
0.30 |
|
|
||||
|
BS direct - BS maternal |
0.04 (0.32) |
0.00 |
0.34 (0.76) |
1.26 |
|
|
||||
|
Environmental correlations |
||||
|
|
||||
|
Permanent environmental |
-0.35 (0.17)* |
3.00 |
-0.44 (0.17)* |
4.32 |
|
|
||||
|
LS residual - BS litter |
-0.67 (0.02)*** |
635.40 |
-0.52 (0.02)*** |
345.22 |
|
|
||||
|
LS litter size; BS birth size (mass or head width) Statistical significance: * P < 0.1; **P < 0.01;***P < 0.001 χ2 Chi square test statistic for loglikelihood-ratio test of the covariance |
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|
Schroderus et al. BMC Evolutionary Biology 2012 12:44 doi:10.1186/1471-2148-12-44 |
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