|
Milk stage |
Wax stage |
||
Corn |
Alfalfa |
Corn |
alfalfa |
|
Dry Matter |
93.36 |
93.04 |
90.62 |
93.04 |
Crude Protein |
6.48 |
15.62 |
10.23 |
15.62 |
Ether Extract |
1.41 |
1.66 |
1.35 |
1.66 |
Ash |
6.07 |
9.48 |
5.69 |
9.48 |
Crude Fiber |
18.61 |
31.56 |
25.79 |
31.56 |
Natural detergent fiber |
46.60 |
47.64 |
50.77 |
47.64 |
Acid detergent fiber |
23.61 |
36.39 |
26.47 |
36.39 |
Acid detergent lignin |
3.30 |
11.33 |
3.51 |
11.33 |
Table 1: Nutrient Contents of Corn and Alfalfa Silage Raw Materia %, DM
Corn:Alfalfa |
Milk stage |
Wax stage |
|
Crude Protein |
4:0 |
6.25± 0.61aa |
7.49 ± 0.76 aa |
3:1 |
4.79± 0.42aa |
12.67± 2.18bab |
|
2:2 |
19.62±0.88ba |
15.12±1.96bb |
|
1:3 |
17.70±1.39ab |
13.44±5.27aba |
|
0:4 |
23.58±3.64ca |
23.58±3.64ca |
|
Ether Extract |
4:0 |
2.60±0.33 aa |
2.66±0.08 aa |
3:1 |
3.15±0.40 aa |
3.41±0.09 ba |
|
2:2 |
3.07±0.14 aa |
3.21±0.06ba |
|
1:3 |
2.85±0.09aa |
3.15±0.02bb |
|
0:4 |
2.54±0.24aa |
2.54±0.24aa |
|
Crude Fiber |
4:0 |
21.50±1.50aa |
20.03±1.47aa |
3:1 |
21.59±1.91aa |
24.76±0.39aba |
|
2:2 |
26.27±1.02aba |
28.98±0.08bca |
|
1:3 |
30.53±1.85bca |
32.02±0.34ca |
|
0:4 |
33.46±2.70ca |
33.46±2.70ca |
|
Ash |
4:0 |
5.64±0.14aa |
5.29±0.29aa |
3:1 |
6.35±0.12ba |
6.08±0.24aa |
|
2:2 |
7.33±0.11ca |
7.19±0.16ba |
|
1:3 |
8.84±0.04da |
9.09±0.15ca |
|
0:4 |
10.61±0.34ea |
10.61±0.34ea |
Table 2: Analysis and comparison of conventional nutrients in different proportion silage. %DM
Note:Different superscripts in the table indicate significant differences between different proportions in the same period, and different subscripts indicate significant differences between different periods in the same proportion(P< 0.05).
Corn:Alfalfa |
(score) |
Texture (score) |
Color (score) |
Total score |
Grade |
|
Milk stage |
4:0 |
13 |
4 |
2 |
19 |
|
3:1 |
13 |
4 |
2 |
19 |
Excellent |
|
2:2 |
12 |
3 |
2 |
17 |
Excellent |
|
1:3 |
11 |
3 |
1 |
15 |
Good |
|
0:4 |
8 |
3 |
0 |
11 |
Good |
|
Wax stage |
4:0 |
12 |
4 |
1 |
17 |
Excellent |
3:1 |
13 |
4 |
1 |
18 |
Excellent |
|
2:2 |
13 |
4 |
2 |
19 |
Excellent |
|
1:3 |
12 |
4 |
2 |
18 |
Excellent |
|
0:4 |
8 |
3 |
0 |
11 |
Good |
Table 3: Sensory evaluation of mixed silage of alfalfa and whole plant corn with different mixing proportions
Corn:Alfalfa |
Milk stage |
Wax stage |
|
pH |
4:0 |
3.50±0.06aa |
3.52±0.04aa |
3:1 |
3.66±0.02aa |
3.86±0.08aba |
|
2:2 |
3.62±0.01aa |
3.98±0.13bb |
|
1:3 |
4.39±0.25ba |
5.07±0.20bc |
|
0:4 |
6.73±0.15ca |
6.73±0.15ca |
|
Water-soluble carbohydrates |
4:0 |
3.95±1.19ba |
5.90±0.42ca |
3:1 |
2.47±0.52aa |
2.28±0.03ab |
|
2:2 |
7.47±0.67da |
4.10±0.41bb |
|
1:3 |
3.86±0.74ba |
1.79±0.31ab |
|
0:4 |
5.80±0.36ca |
5.80±0.36ca |
|
NH3-N |
4:0 |
1.80±0.17ca |
1.52±0.23aa |
3:1 |
1.07±0.16ba |
3.92±0.72bb |
|
2:2 |
0.37±0.03aa |
5.27±0.66cb |
|
1:3 |
1.33±0.23 ba |
2.39±0.26aa |
|
0:4 |
3.48±0.33da |
3.48±0.33ba |
Table 4: Analysis and comparison of silage quality of different proportion mixed silage. %DM
Note:Different superscripts in the table indicate significant differences between different proportions in the same period, and different subscripts indicate significant differences between different periods in the same proportion(P< 0.05).
Corn:Alfalfa |
Milk stage |
Wax stage |
|
Neutral detergent fiber |
4:0 |
44.29±2.38ba |
36.94±1.42aa |
3:1 |
42.56±1.13aba |
44.86±0.40ba |
|
2:2 |
37.78±1.93 aa |
46.05±0.88bb |
|
1:3 |
46.62±1.34ba |
48.29±1.12ba |
|
0:4 |
48.06±1.99ba |
48.06±1.99ba |
|
Acid detergent fiber |
4:0 |
23.62±1.71aa |
19.81±1.07aa |
3:1 |
25.80±1.16aa |
27.16±0.39ba |
|
2:2 |
24.77±1.59aa |
30.73±0.49cb |
|
1:3 |
33.97±0.79ba |
36.40±0.21db |
|
0:4 |
38.10±1.21ba |
38.10±1.21ba |
|
Acid detergent lignin |
4:0 |
3.42±0.42aa |
3.55±0.09aa |
3:1 |
5.49±0.86ba |
5.30±0.31ba |
|
2:2 |
6.56±0.40ba |
7.54±0.41ca |
|
1:3 |
9.96±0.17ca |
9.78±0.37da |
|
0:4 |
13.07±0.32da |
13.07±0.32da |
Table 5: Analysis and comparison of washing fiber in different proportion of mixed silage. %,DM
Note:Different superscripts in the table indicate significant differences between different proportions in the same period, and different subscripts indicate significant differences between different periods in the same proportion(P< 0.05).
Tables at a glance