TABLE 7.
Effect of microbial inoculation and storage length on the nutrient composition and yeast counts of whole-plant sweet sorghum silage in experiment 2.
| Item1 | DM, % as fed | DM recovery, % DM | Ash, % DM | WSC, % DM | EE, % DM | CP, % DM | Sol.CP, % CP | NDF, % DM | Starch, % DM | NDF disappearance, % NDF | Yeast, log CFU/g |
| d 14 | |||||||||||
| CON | 26.9 | 93.5 | 3.0 | 22.5 | 0.9b | 4.0 | 65.5 | 46.5 | 11.7 | 22.2 | 2.1 |
| LBLD | 26.9 | 93.4 | 3.2 | 22.3 | 1.7a | 4.1 | 58.2 | 45.3 | 11.6 | 23.1 | 0.0 |
| d 28 | |||||||||||
| CON | 27.0 | 92.2 | 3.2 | 19.2 | 1.0b | 4.0 | 59.6 | 48.3 | 9.5 | 23.0 | 3.7 |
| LBLD | 26.9 | 93.3 | 3.2 | 18.0 | 1.8a | 4.3 | 62.1 | 50.1 | 9.1 | 23.9 | 0.0 |
| d 56 | |||||||||||
| CON | 27.2 | 93.8 | 3.2 | 21.4a | 2.1 | 4.0 | 66.5 | 46.3 | 10.8 | 22.9 | 2.4 |
| LBLD | 26.0 | 89.7 | 3.1 | 15.6b | 1.7 | 4.9 | 63.9 | 51.5 | 7.7 | 21.1 | 0.0 |
| Storage length means | |||||||||||
| d 14 | 26.9 | 93.5 | 3.1 | 22.4 | 1.3 | 4.0 | 61.9 | 45.9z | 11.7y | 22.7 | 1.1 |
| d 28 | 26.9 | 92.8 | 3.3 | 18.6 | 1.4 | 4.2 | 60.9 | 49.2y | 9.3z | 23.4 | 1.9 |
| d 56 | 26.6 | 91.8 | 3.2 | 18.5 | 1.9 | 4.5 | 65.2 | 48.9y | 9.2z | 22.0 | 1.2 |
| Microbial inoculation means | |||||||||||
| CON | 27.1 | 93.2 | 3.1 | 21.0 | 1.3 | 4.0 | 64.0 | 47.0 | 10.6 | 22.7 | 2.8 |
| LBLD | 26.6 | 92.2 | 3.3 | 18.6 | 1.7 | 4.4 | 61.4 | 49.0 | 9.5 | 22.7 | 0.0 |
| SEM1 | 0.65 | 1.16 | 0.22 | 0.97 | 0.19 | 0.21 | 2.15 | 1.27 | 0.86 | 2.37 | 0.85 |
| P-Value | |||||||||||
| SL | 0.88 | 0.36 | 0.62 | 0.001 | 0.01 | 0.13 | 0.14 | 0.03 | 0.02 | 0.83 | 0.61 |
| MI | 0.42 | 0.29 | 0.46 | 0.01 | 0.01 | 0.02 | 0.17 | 0.08 | 0.11 | 0.99 | 0.001 |
| SL × MI | 0.59 | 0.09 | 0.85 | 0.02 | 0.01 | 0.16 | 0.10 | 0.07 | 0.19 | 0.81 | 0.61 |
a,b Means with different superscripts within the same day denote an effect of microbial inoculation within that day.
y,z Means with different superscripts denote differences among storage lengths.
1MI: effect of microbial inoculant (50 ml of distilled water or 300,000 CFU/g wet forage of L. plantarum DSM 21762, L. buchneri DSM 12856, and L. diolivorans DSM 32074 [Provita Supplements Inc., Mendota Heights, MN]); SL: effect of storage length (14, 28, and 56 d).
2Greatest standard error of the mean.