Table 2.
Correlations (r values) between BCS and BCS drop of different steps during lactation and insulin sensitivity indices calculated for day 90 of lactation
| Variable | HOMA day 90 | QUICKI day 90 | RQUICKI day 90 | RQUICKI-BHB day 90 |
|---|---|---|---|---|
| BCS at calving | NS | NS | NS | -0.499** |
| BCS day 30 | NS | NS | NS | NS |
| BCS day 60 | -0.679** | 0.659** | 0.634** | 0.406* |
| BCS day 90 | -0.699** | 0.699** | 0.631** | 0.424* |
| BCS day 120 | -0.542** | 0.551** | 0.549** | NS |
| BCS loss day 30 | NS | NS | -0.490** | -0.562** |
| BCS loss day 60 | 0.676** | -0.672** | -0.819** | -0.697** |
| BCS loss day 90 | 0.654** | -0.669** | -0.789* | -0.705** |
| BCS loss day 120 | 0.494** | -0.515** | -0.676** | -0.585** |
BCS: Body condition score, HOMA: Homeostasis model assessment, QUICKI: Quantitative insulin sensitivity check index, RQUICKI: Revised quantitative insulin sensitivity check index, BHB: Beta-hydroxybutyrate, and NS: Non-significant. * Significant correlation at P≤0.05, and ** Significant correlation at P≤0.01