Fixed effects | Significant level | Degree of freedom | Level | LSM ± SE |
Milking frequency per day | *** | 1 | 3 | 34.71 ± 0.33 |
4 | 36.85 ± 0.43 | |||
Lactation period | *** | 2 | 1 | 34.71 ± 0.33 |
2 | 34/2 ± 0.56 | |||
3 | 33.07 ± 0.69 | |||
Birth year | *** | 3 | 2003 | 34.71 ± 0.33 |
2004 | 35.69 ± 0.56 | |||
2005 | 36.11 ± 0.67 | |||
2006 | 37.11 ± 0.82 | |||
Calving year | *** | 2 | 2007 | 34.71 ± 0.33 |
2008 | 33.71 ± 0.54 | |||
2009 | 34.97 ± 0.66 | |||
Age | *** | 3 | 1 | 34.71 ± 0.33 |
2 | 40.81 ± 0.74 | |||
3 | 32.4 ± 0.51 | |||
4 | 34.02 ± 0.51 | |||
Days in milking | *** | 3 | 1 | 34.71 ± 0.33 |
2 | 28.06 ± 0.53 | |||
3 | 31.88 ± 0.42 | |||
4 | 37.42 ± 0.42 |