TABLE 4.
The correlation coefficient among body weight and linear body traits of both male and female Leizhou Black Ducks measured at 4 weeks of age
| BW | BL | CW | CD | KL | PW | SL | SG | SDL | NL | |
|---|---|---|---|---|---|---|---|---|---|---|
| BW | 1 | .391* | .386* | .310 | .686** | .132 | .128 | .079 | .014 | .097 |
| BL | .428* | 1 | .469* | .381* | .392* | .230 | .423* | .160 | .248 | .120 |
| CW | .170 | .538** | 1 | .516* | .001 | .437* | .607** | .385* | .629* | .224 |
| CD | .308 | .553** | .642** | 1 | .017 | .409* | .655** | .324 | .611** | .391* |
| KL | .395* | .049 | .157 | .162 | 1 | .114 | .211 | .077 | .049 | .071 |
| PW | .309 | .560** | .738** | .756** | .176 | 1 | .745* | .689** | .653** | .097 |
| SL | .135 | .212 | .327 | .338 | .026 | .355 | 1 | .534* | .562* | .363 |
| SG | .323 | .769** | .318 | .343 | .195 | .366* | −.018 | 1 | .613** | .117 |
| SDL | .223 | −.035 | .053 | .349 | .255 | .102 | .209 | .030 | 1 | .547** |
| NL | .242 | .047 | .092 | .250 | .211 | .113 | 0.041 | .191 | .748** | 1 |
The lower left corner is the correlation coefficient of the male duck, and the upper right corner is the correlation coefficient of the female duck.
Abbreviations: BL, body length; BW, body weight; CD, chest depth; CW, chest width; KL, keel length; NL, neck length; PW, pelvis width; SDL, semi‐diving length; SG, shank girth; SL, shank length.
*
Significant correlation between indicators (p < .05).
**
Significant correlation between indicators (p < .01).