Table 3 Factor loading, eigenvalue and variance explained by the BLUPs of heritable phenotypic traits in the principal component analysis. Components with eigenvalues greater than 1.0 have been extracted to explain the variability of phenotypic traits
Phenotypic traits | Component | ||
|---|---|---|---|
1 | 2 | 3 | |
L ∞ | 0.99 | 0.05 | 0.10 |
Maturation age | 0.93 | −0.36 | 0.05 |
Maturation body length | 0.92 | 0.39 | 0.08 |
Mean egg number of the first three clutches | 0.91 | 0.00 | −0.10 |
Alkaline phosphatase | 0.89 | −0.45 | 0.07 |
Maturation instar number | 0.87 | −0.33 | 0.34 |
Arginine amino-peptidase | 0.62 | −0.53 | 0.19 |
Body length at five days | 0.01 | 0.93 | 0.33 |
Mean neonate size of the first three clutches | 0.25 | 0.93 | 0.19 |
Body weight at five days | −0.20 | 0.91 | −0.10 |
Relative tail spine length of the first adult instar | −0.07 | 0.91 | 0.41 |
Alanine amino-peptidase | 0.36 | −0.84 | −0.14 |
k | −0.39 | 0.84 | −0.36 |
Beta-glucosidase | −0.14 | −0.30 | − 0.91 |
Eigenvalue | 7.33 | 4.62 | 1.12 |
Variance contribution rate (%) | 52.35 | 33.03 | 8.03 |
Cumulative contribution rate (%) | 52.35 | 85.38 | 93.41 |