The most abundant fraction
for S was 3.35 mm, for L and XL was 9.5 mm, and for
M alternated between 3.35 and 9.5 mm. The M diet
started with 3.35 mm being most abundant; by 8.5 h
after feeding, 9.5 mm became most abundant; finally,
at 24.5 h after feeding, 3.35 mm was again the most
abundant particle fraction