Table 2.
Particle size distribution by percent retained on screen, geometric mean diameter (GMD) and geometric standard deviation (GSD) for corns fed in experiments 1 and 2
| Item | ROLL1 | HAMMER | ||||||
|---|---|---|---|---|---|---|---|---|
| Screen size, µm | DC | CV2 | HMC | CV | DC | CV | HMC | CV |
| 6,300 | 1.7 | 43.8 | 9.7 | 30.0 | 10.9 | 16.9 | 30.1 | 13.1 |
| 4,750 | 29.5 | 17.5 | 34.5 | 9.0 | 8.3 | 6.9 | 18.7 | 14.8 |
| 3,350 | 39.8 | 18.7 | 26.1 | 6.4 | 15.8 | 16.9 | 22.2 | 5.32 |
| 1,700 | 23.8 | 21.6 | 17.3 | 10.9 | 29.0 | 8.2 | 20.9 | 8.9 |
| 1,410 | 1.3 | 77.9 | 2.1 | 28.2 | 11.6 | 5.3 | 2.1 | 44.7 |
| 850 | 1.7 | 93.8 | 3.8 | 27.0 | 8.5 | 7.6 | 2.9 | 57.6 |
| 600 | 0.5 | 117.6 | 2.0 | 42.5 | 5.3 | 21.6 | 1.1 | 89.1 |
| <600 | 1.7 | 117.4 | 4.5 | 32.6 | 10.7 | 25.2 | 1.7 | 78.9 |
| GMD, µm | 3,514 | — | 2,867 | — | 1,808 | — | 2,248 | — |
| GSD, µm | 1,160 | — | 1,335 | — | 924 | — | 501 | — |
1Treatments were corn processed with a roller mill (ROLL) or hammer mill (HAMMER) and fed as dry corn (DC), 50:50 blend of DC and high-moisture corn (BLEND) or high-moisture corn (HMC).
2Coefficient of variance for each screen size within corn type.