Stark (1994) reported feed conversion efficiency in nursery pigs to be 1.67, 1.50, and 1.54 when fed mash, screened pellets, and pellets with 25% fines. The effect was even more dramatic in finisher pigs; feed conversions were 2.78, 2.65, and 2.78 for pigs fed mash, screened pellets, and pellets with 20% fines. Dairy: