Improved Quality of Corn Silage When Combining Cellulose-Decomposing Bacteria and Lactobacillus buchneri during Silage Fermentation
Table 1
The change rule of cellulose-decomposing bacteria and lactic acid bacteria on the main microbial community of corn silage within 60 days (log cfu/g FM).
Day
Treatment
Aerobic bacteria
Lactic acid bacteria
Yeast
Mold
0d
8.19
8.44
6.10
5.77
2d
K
8.86
8.93
3.84
4.95
Y
8.72
8.86
4.08
4.37
YX
8.76
8.99
3.72
4.53
SEM
0.06
0.05
0.31
0.14
4d
K
8.62
8.68
3.66
< 2.00
Y
8.60
8.78
3.35
2.49
YX
8.73
8.71
3.70
4.30
SEM
0.08
0.04
0.06
0.17
6d
K
8.66
8.73
3.48
< 2.00
Y
8.55
8.69
4.35
< 2.00
YX
8.77
8.74
3.59
< 2.00
SEM
0.07
0.06
0.43
- -
8d
K
8.14
8.26
3.11
< 2.00
Y
8.30
8.30
3.32
< 2.00
YX
8.49
8.82
3.38
< 2.00
SEM
0.10
0.07
0.10
- -
10d
K
8.29
8.34
3.16
< 2.00
Y
7.77
8.24
2.60
< 2.00
YX
8.77
8.59
3.63
< 2.00
SEM
0.10
0.10
0.10
- -
15d
K
7.84
7.68
2.32
3.40
Y
7.69
7.57
2.17
4.00
YX
8.36
8.31
2.69
4.90
SEM
0.09
0.09
0.01
0.12
25d
K
7.12
7.75
2.46
3.64
Y
7.48
7.99
2.78
4.05
YX
7.54
8.12
2.99
4.39
SEM
0.25
0.07
0.06
0.05
35d
K
7.92
7.73
2.24
3.40
Y
8.15
7.46
3.50
3.70
YX
8.43
7.71
4.50
4.50
SEM
0.31
0.11
0.07
0.07
45d
K
7.67
7.78
3.15
3.39
Y
7.02
7.07
2.77
3.60
YX
8.07
7.97
2.71
4.45
SEM
0.23
0.15
0.11
0.10
60d
K
7.40
6.89
2.46
3.16
Y
6.58
7.37
2.48
3.31
YX
7.42
6.99
3.23
3.86
SEM
0.22
0.20
0.21
0.13
P-value
M
D
M×D
NS
NS
Note: FM, fresh matter; K, untreated corn silage with no inoculant applied; Y, heterolactic lactic acid bacteria; YX, heterolactic lactic acid bacteria and cellulose-decomposing bacteria; M, treatment; D, day; M×D, treatment × day; SEM, standard error of mean. Values followed by the different letters are significantly different at 5% level using Duncan test; ,P < 0.05, ,P < 0.01, NS, not significant.
