Table 7 Eigenvalues, percent of cumulative explained variance and loadings of first four principal components of PCA of frozen-thawed dog semen parameters
| Â | PC1 | PC2 | PC3 | PC4 | PC5 |
|---|---|---|---|---|---|
Eigenvalue | 6.29 | 2.18 | 1.86 | 0.94 | 0.31 |
Cumulative variance (%) | 52.42 | 70.56 | 86.04 | 93.92 | 96.54 |
MOT | -0.26 | -0.86 | 0.03 | -0.41 | 0.01 |
PMOT | -0.88 | -0.30 | -0.25 | -0.22 | 0.05 |
RAP | -0.89 | -0.26 | -0.22 | -0.23 | 0.06 |
SLOW | 0.60 | -0.70 | 0.23 | -0.13 | -0.08 |
VAP | -0.91 | -0.17 | -0.24 | 0.26 | 0.04 |
VSL | -0.84 | -0.21 | -0.36 | 0.31 | 0.03 |
VCL | -0.95 | -0.09 | 0.06 | 0.27 | 0.03 |
ALH | -0.77 | 0.15 | 0.53 | 0.20 | 0.07 |
BCF | 0.30 | -0.71 | 0.23 | 0.49 | -0.26 |
STR | 0.65 | -0.11 | -0.63 | 0.29 | 0.02 |
LIN | 0.52 | -0.07 | -0.83 | 0.00 | 0.04 |
ELONG | -0.70 | 0.40 | -0.27 | -0.22 | -0.47 |