From: Comparison of rumen bacterial communities in dairy herds of different production
 | Farm 12 | Farm 9 | ||||||
---|---|---|---|---|---|---|---|---|
Primiparous cows | Multiparous cows | Primiparous cows | Multiparous cows | |||||
 | High | Low | High | Low | High | Low | High | Low |
(n = 12) | (n = 12) | (n = 12) | (n = 11) | (n = 10) | (n = 9) | (n = 9) | (n = 10) | |
Days in milk | 116 | 109 | 125 | 125 | 128 | 113 | 130 | 132 |
Milk yield (kg/d) | 48.1 | 38.6 | 70.7 | 52.6 | 37.2 | 25.5 | 41.8 | 32.1 |
± 1.3 | ± 1.2 | ± 4.3 | ± 3.3 | ± 7.1 | ± 2.7 | ± 3.4 | ± 3.4 | |
Fat (%) | 3.31 | 3.34 | 3.20 | 3.86 | 3.64 | 3.83 | 3.19 | 3.86 |
± 0.57 | ± 0.61 | ± 1.25 | ± 0.90 | ± 0.36 | ± 0.62 | ± 0.48 | ± 0.67 | |
Protein (%) | 2.85 | 2.94 | 2.86 | 3.23 | 2.91 | 2.94 | 2.87 | 3.03 |
± 0.22 | ± 0.20 | ± 0.27 | ± 0.28 | ± 0.22 | ± 0.30 | ± 0.23 | ± 0.23 |