Parameter

Treatment¹

SEM

P<²

T3.5

T7.0

T10.5

Treat

Hour

Treat * Hour

VFA

Total, mmol L⁻¹

75.3

67.5

66.3

3.17

0.29

0.01

0.96

Acetate, mmol L⁻¹

55.6^a

48.1^ab

45.7^b

2.20

0.01

0.02

0.94

Acetate, mol 100 mol⁻¹

73.9^a

71.5^b

69.0^c

0.34

0.01

0.04

0.36

Propionate, mmol L⁻¹

13.1

13.7

15.0

0.68

0.09

0.01

0.99

Propionate, mol 100 mol⁻¹

17.4^c

20.2^b

22.5^a

0.25

0.01

0.10

0.63

Butyrate, mmol L⁻¹

6.6

5.7

5.6

0.47

0.39

0.01

0.79

Butyrate, mol 100 mol⁻¹

8.7

8.3

8.4

0.20

0.46

0.05

0.13

Acetate:Propionate ratio

4.25^a

3.55^b

3.08^c

0.06

0.01

0.05

0.60

pH

6.20^a

6.02^ab

5.94^b

0.07

0.04

0.16

0.89

NH₃-N, mg %

41.62

35.87

35.04

2.14

0.07

0.01

0.93