Table 1.
Item | SC 1 | MA 2 | SEM | p-Value |
---|---|---|---|---|
Parity | 1.89 | 2.18 | 0.21 | 0.42 |
Days in milk | 165.67 | 166.27 | 5.33 | 0.88 |
Somatic cell counts, 103/mL | 2892 | 2169 | 637.0 | 0.30 |
Milk yield, kg/d | 21.51a | 9.82 b | 2.08 | <0.01 |
Protein, % | 3.80 | 3.60 | 0.08 | 0.12 |
Fat, % | 3.60 | 4.32 | 0.16 | 0.09 |
Lactose, % | 4.22 a | 3.26 b | 0.21 | 0.04 |
Milk urea nitrogen, mg/dL | 15.06 a | 7.44 b | 0.97 | <0.01 |
1 SC, high-SCC cows with healthy patterns. 2 MA, high-SCC cows with mastitis patterns. a,b Means within the same row followed by different superscripts differ at p < 0.05.