Table 4.
Particle size distribution of experimental diets with different roughage sources
Experimental diets1 | ||||||||
---|---|---|---|---|---|---|---|---|
Screen, mm | 10CS | 20CS | SCB | SC | SH | LOCH | SEM | P-value |
Particle, % retained sieve | ||||||||
>36 | 0.00c | 3.41a | 2.14ab | 2.70ab | 1.58b | 2.50ab | 0.27 | <0.001 |
19 to 36 | 3.53c | 12.94ab | 16.41a | 7.32bc | 2.95c | 3.26c | 1.29 | <0.001 |
8 to 19 | 10.57c | 37.39a | 27.74ab | 31.62ab | 11.30c | 22.17b | 2.38 | <0.001 |
<8 | 85.90a | 48.24b | 54.32b | 58.35b | 89.30a | 81.43a | 3.29 | <0.001 |
MPS2 | 6.31c | 13.45a | 12.31a | 13.48a | 7.71c | 9.83b | 0.04 | <0.001 |
110CS, 10% of aNDF from corn silage; 20CS, 20% of aNDF from corn silage; SCB, 10CS + 10% of aNDF from sugarcane bagasse; SC, 10CS + 10% of aNDF from sugarcane; SH, 10CS + 10% of aNDF from soybean hulls; LOCH, 10CS + 10% of aNDF from low oil cottonseed hulls. aNDF, α-amylase-treated neutral detergent fiber.
2MPS was determined according to method adapted from Lammers et al (1996).
a-cMeans within a row with different superscripts differ (P < 0.05).