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Table 3 Rumen pH, milk yield and composition of dairy cows fed LC or HC diets

From: Histamine activates inflammatory response and depresses casein synthesis in mammary gland of dairy cows during SARA

Item LC HC SEM p-Value
Diet Day Diet × Day
Mean pH value 6.02 5.90 0.03 < 0.01 0.23 0.18
Minimum pH value 5.65 5.50 0.05 0.02 0.08 0.38
Time < pH 5.6, min/d 99.00 223.00 30.25 0.01 0.06 0. 57
Milk yield (kg/d) week1 28.7 30.9 0.47 0.08 0.23 0.76
Milk yield (kg/d) week18 28.05 26.92 0.30 < 0.01 0.05 0.41
Milk protein (%) week1 3.34 3.41 0.03 0.11 0.53 0.79
Milk protein (%) week18 3.02 2.88 0.04 0.01 0.51 0.31
Milk fat (%) week1 3.48 3.34 0.02 0.21 0.61 0.58
Milk fat (%) week18 3.54 2.94 0.04 0.02 0.12 0.81