Table 6.
Association between RFI classification and blood and body dimension measurements for Angus × Holstein calves at approximately 9 mo of age and fed a finishing diet, presented as least square means and 95% CI
| RFI1 | |||||
|---|---|---|---|---|---|
| Item | Low | High | P-value | ||
| Glucose, mg/dL | 92.6 | [88.2, 96.9] | 90.9 | [88.1, 93.6] | 0.50 |
| Insulin, µg/L | 3.5 | [2.6, 4.7] | 2.3 | [1.5, 3.3] | 0.08 |
| BUN, mg/dL | 9.6 | [8.5, 10.9] | 11.1 | [10.3, 12.0] | 0.05 |
| Fatty acids, mEq/L | 0.09 | [0.07, 0.11] | 0.11 | [0.08, 0.13] | 0.44 |
| Triglyceride, mg/dL | 18.8 | [16.2, 21.6] | 16.2 | [13.9, 18.6] | 0.14 |
| BHB, mM | 0.33 | [0.30, 0.38] | 0.29 | [0.26, 0.33] | 0.15 |
| RQUICKI | 0.36 | [0.34, 0.37] | 0.39 | [0.36, 0.43] | 0.04 |
| Glucose:Insulin | 23.3 | [18.5, 31.8] | 34.6 | [25.7, 51.8] | 0.07 |
| Withers, cm | 122 | [119, 124] | 122 | [119, 124] | 0.71 |
| Hips, cm | 129 | [127, 132] | 129 | [127, 131] | 0.84 |
| Girth, cm | 181 | [176, 185] | 181 | [178, 183] | 0.99 |
| Withers change, cm | 3.4 | [2.4, 4.4] | 4.7 | [3.3, 6.0] | 0.13 |
| Hips change, cm | 5.3 | [3.7, 7.0] | 4.8 | [3.7, 5.9] | 0.58 |
| Girth change, cm | 12.3 | [10.2, 14.6] | 10.9 | [9.0, 12.9] | 0.33 |
1Data are presented with 95% confidence intervals.