Item
|
Experimental treatments
|
SEM
|
P-value
|
---|
CON
|
HC
|
HCT
|
---|
Average daily DMI (kg/day)
|
21.68a
|
19.07c
|
20.78b
|
0.278
|
0.014
|
Average daily milk production (kg/day)
|
27.28a
|
22.12c
|
23.28b
|
1.894
|
0.001
|
Ruminal pH
|
6.45a
|
5.58c
|
6.12b
|
0.194
|
0.016
|
Ruminal Thiamine (µg/L)
|
16.16a
|
9.51c
|
13.53b
|
1.933
|
< 0.001
|
Acetate (mmol/L)
|
43.237a
|
42.619b
|
44.076a
|
1.273
|
0.038
|
Propionate (mmol/L)
|
12.899b
|
13.849a
|
11.846c
|
0.632
|
0.027
|
Butyrate (mmol/L)
|
10.770
|
10.354
|
10.819
|
0.137
|
0.356
|
Isovalerate (mmol/L)
|
1.403b
|
1.670a
|
1.366b
|
0.059
|
0.042
|
Valerate (mmol/L)
|
1.212
|
1.491
|
1.332
|
0.059
|
0.143
|
Isobutyrate (mmol/L)
|
0.802
|
1.001
|
1.047
|
0.083
|
0.504
|
TVFA (mmol/L)
|
70.323
|
70.983
|
70.487
|
1.836
|
0.156
|
- SEM, standard error of the mean; CON, control diet; HC, high-concentrate diet; HCT, high-concentrate diet supplemented with thiamine, TVFA, total volatile fatty acid
- a,b,cMeans within a row with different letters differ significantly (P < 0.05)