Table 7.
Pearson correlations between feed intakes and starch and nitrogen disappearance ratios in the distal jejunum (S:N-DJ) with parameters of nutrient utilisation (AME, ME : GE ratios, N retention and AMEn).
| Item | Feed intake | S:N-DJ | AME | ME:GE | N retention | AMEn |
|---|---|---|---|---|---|---|
| Feed intake | 1.000 | |||||
| S:N-J | r = 0.123 | 1.000 | ||||
| P = 0.406 | ||||||
| AME | r = −0.316 | r = −0.614 | 1.000 | |||
| P = 0.029 | P < 0.001 | |||||
| ME:GE | r = −0.376 | r = −0.572 | r = 0.971 | 1.000 | ||
| P = 0.008 | P < 0.001 | P < 0.001 | ||||
| N retention | r = −0.296 | r = −0.573 | r = 0.897 | r = 0.908 | 1.000 | |
| P = 0.041 | P < 0.001 | P < 0.001 | P < 0.001 | |||
| AMEn | r = −0.347 | r = −0.586 | r = 0.993 | r = 0.962 | r = 0.872 | 1.000 |
| P = 0.016 | P < 0.001 | P < 0.001 | P < 0.001 | P < 0.001 |
AME = apparent metabolizable energy; AMEn = N-corrected apparent metabolizable energy.