Item | BCS1 | SEM | P-value | ||
---|---|---|---|---|---|
Low | Medium | High | |||
No. of cows, head | 12 | 15 | 15 | Â | Â |
Parity | 2.8 | 2.3 | 2.3 | 0.24 | 0.23 |
Days in milk | 220 | 236 | 233 | 5.77 | 0.16 |
BCS | 2.68c (2.50–2.75) | 3.22b (3.00–3.50) | 3.88a (3.75–4.25) | 0.04 | < 0.01 |
Milk yield, kg/d | 31.7 | 32.0 | 30.2 | 0.83 | 0.23 |
Milk composition, % | |||||
Fat | 3.91 | 3.85 | 3.86 | 0.26 | 0.99 |
Protein | 3.21b | 3.50a | 3.38ab | 0.06 | 0.01 |
Lactose | 5.07 | 5.14 | 5.18 | 0.05 | 0.32 |