Table 3. Particle size distribution and peNDF of TMRs determined by the Penn state particle separator

Items TMR-1 TMR-2 SEM p-value
Particle fractions on sieve (% [DM basis])
 Top (19 mm) 15.11a 11.78b 0.53 < 0.001
 Middle (8 mm) 23.79b 25.52a 0.27 < 0.001
 Bottom 61.11 62.70 0.47 0.091
peNDF19.0 (%) 5.39a 3.90b 0.20 < 0.001
peNDF8.0 (%) 13.91a 12.36b 0.20 < 0.001
Denotes comparison made within rows (p < 0.05).
peNDF, physical effective neutral detergent fiber; TMR, total mixed ration; DM, dry matter.