TABLE 5.
Effect of microbial inoculation and storage length on the nutrient composition and yeast counts of whole-plant forage 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 | 29.7 | 97.4 | 3.3 | 3.8 | 1.4 | 8.7 | 48.6 | 46.8 | 22.8 | 26.4 | 0.60 |
| LBLD | 28.7 | 94.8 | 3.7 | 3.7 | 2.1 | 8.3 | 44.0 | 46.3 | 24.0 | 25.4 | 0.85 |
| d 28 | |||||||||||
| CON | 27.6 | 90.6 | 4.1 | 3.6a | 1.5 | 8.4 | 55.4 | 49.3 | 18.5 | 22.0 | 0.64 |
| LBLD | 27.5 | 91.5 | 4.1 | 1.7b | 2.7 | 8.5 | 46.4 | 50.8 | 19.9 | 28.2 | 1.03 |
| d 56 | |||||||||||
| CON | 27.3 | 90.1 | 3.9 | 2.1 | 2.0 | 8.4 | 55.5 | 44.9 | 22.4 | 22.1 | 0.00 |
| LBLD | 27.9 | 92.2 | 3.5 | 2.7 | 2.5 | 8.9 | 47.8 | 48.3 | 25.8 | 24.3 | 0.00 |
| Storage length means | |||||||||||
| d 14 | 29.2y | 96.1 | 3.5z | 3.8 | 1.7 | 8.5 | 46.3z | 46.6 | 23.4y | 25.9 | 0.72 |
| d 28 | 27.5z | 91.0 | 4.1y | 2.7 | 2.1 | 8.5 | 50.9y | 50.0 | 19.2z | 25.1 | 0.84 |
| d 56 | 27.6z | 91.2 | 3.7z | 2.4 | 2.2 | 8.7 | 51.7y | 46.6 | 24.1y | 23.2 | 0.00 |
| Microbial inoculation means | |||||||||||
| CON | 28.2 | 92.7 | 3.8 | 3.2 | 1.6 | 8.5 | 53.2 | 47.0 | 21.2 | 23.5 | 0.41 |
| LBLD | 28.0 | 92.8 | 3.8 | 2.7 | 2.4 | 8.6 | 46.1 | 48.5 | 23.3 | 26.0 | 0.62 |
| SEM1 | 0.68 | 2.58 | 0.14 | 0.49 | 0.22 | 0.22 | 1.79 | 1.66 | 1.42 | 2.26 | 0.60 |
| P-value | |||||||||||
| SL | 0.04 | 0.11 | 0.01 | 0.03 | 0.12 | 0.56 | 0.02 | 0.08 | 0.01 | 0.48 | 0.34 |
| MI | 0.79 | 0.95 | 0.93 | 0.26 | 0.001 | 0.63 | 0.001 | 0.30 | 0.10 | 0.19 | 0.67 |
| SL × MI | 0.51 | 0.63 | 0.07 | 0.05 | 0.37 | 0.15 | 0.47 | 0.52 | 0.71 | 0.30 | 0.95 |
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).
2 Greatest standard error of the mean.