Increasing the surface area of raw materials increases the
amount of materials exposed to the animal’s digestive system, thus leading to a
more complete digestion. A larger surface area can be obtained by grinding the
materials. Hammer mills are the most commonly used, but the roller mill is gaining ground when energy consumption is a limiting
factor.
This article can also be found at Feed Tech, volume 5, no. 7
To view the entire article, click on the link below
Hammering or rolling the grain.pdf