Table 1 Fermentation parameters of rumen fluid sampled 2 h after feeding in dairy cow showing feed tossing behavior or no signs of abnormal behavior

pH

6.275

6.373

0.053

0.354

Ammonia-N (mg/dL)

20.894

19.334

0.794

0.352

Acetate (mmol/L)

72.187

71.830

1.501

0.909

Propionate (mmol/L)

32.288

32.013

1.017

0.897

Butyrate (mmol/L)

0.760

0.795

0.037

0.652

Isobutyrate (mmol/L)

13.522

13.745

0.331

0.746

Valerate (mmol/L)

1.336

1.248

0.074

0.566

Isovalerate (mmol/L)

2.166

1.883

0.129

0.282

Total Volatile Fatty Acids (mmol/L)

122.260

121.513

2.698

0.894