Table 3 Pearson correlation coefficients (r) of pairwise comparisons between ODR values in milk, serum and bulk tank milk on individual and group average levels from 20 Norwegian dairy herds
| Â | n | r |
|---|---|---|
Individual ODR cow serum x Individual ODR milk | 192 | 0.58 |
Group average ODR cow serum x group average ODR milk | 20 | 0.73 |
Group average ODR FSG serum x ODR BTM | 20 | 0.63 |
Group average ODR cow serum x ODR BTM | 20 | 0.69 |
Group average ODR cow milk x ODR BTM | 20 | 0.81 |