Table 7. Pairwise correlations between performance parameters and digestibilities and nutrient utilisations in broiler chickens.
Apparent nitrogen digestibility | Nutrient utilisations | ||||||
---|---|---|---|---|---|---|---|
Response | Distal jejunum | Distal ileum | AME | AME : GE | N retention | AMEn | |
Weight gain | r = | 0.258 | 0.586 | 0.476 | 0.551 | 0.311 | 0.449 |
P = | 0.047 | <0.0001 | <0.001 | <0.0001 | 0.017 | <0.001 | |
FCR | r = | -0.503 | -0.587 | -0.418 | -0.333 | 0.025 | -0.644 |
P = | <0.0001 | <0.0001 | 0.001 | 0.010 | 0.850 | <0.0001 | |
Carcass weight | r = | 0.285 | 0.523 | 0.332 | 0.403 | 0.180 | 0.331 |
P = | 0.028 | <0.0001 | 0.010 | 0.002 | 0.174 | 0.011 | |
Carcass yield | r = | 0.387 | 0.526 | 0.045 | 0.139 | -0.028 | 0.086 |
P = | 0.002 | <0.0001 | 0.738 | 0.294 | 0.835 | 0.519 |