| Cluster type | Pulsator ratio | Pulsation pattern | Cluster × ratio | Cluster × pattern | Ratio × pattern | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WB | NB | s.e.d | 60:40 | 67:33 | s.e.d | 2 × 2 | 4 × 1 | s.e.d | P-value | P-value | P-value |
Canal length | 2.81 | 2.78 | 0.20 | 2.83 | 2.76 | 0.20 | 2.72 | 2.87 | 0.48 | 0.03 | 0.65 | 0.38 |
Teat diameter | 1.34a | -0.00d | 0.19 | 0.70 | 0.65 | 0.19 | 0.65 | 0.69 | 0.19 | 0.01 | 0.67 | 0.20 |
Cistern diameter | -8.12a | -7.64d | 0.34 | -7.70 | -8.06 | 0.34 | 7.73 | 8.03 | 0.34 | 0.13 | 0.97 | 0.01 |
Wall thickness | 3.65a | 2.70d | 0.13 | 3.03a | 3.32b | 0.04 | 3.09 | 3.27 | 0.13 | 0.16 | 0.14 | 0.00 |
Teat length | 10.34 | 9.46 | 0.78 | 10.14 | 9.66 | 0.78 | 10.02 | 9.79 | 0.78 | 0.66 | 0.22 | 0.61 |
Mean milk yield | 17.21a | 16.14d | 0.21 | 16.44a | 16.91b | 0.21 | 16.84 | 16.51 | 0.21 | 1.00 | 0.36 | 0.42 |
Mean milking time | 484a | 608d | 12.94 | 565.5a | 526.6c | 12.94 | 552.8 | 539.3 | 12.94 | 0.07 | 0.87 | 0.95 |