Reduce dustiness of feeds. Lubrication aids manufacture of feed. Fats vs Oils Fats usually contain high levels of tri-glycerides, with longer chain fatty acids having increased degree of saturation. Fats are lipids that are solid at room temps. Usually associated with animal lipids.
Oils are liquid at room temperatures.
Oils contain more free fatty acids and monoglycerides. Associated more with vegetable lipids. Energy reserves for the body. Insulation against extreme temperatures. Simple glycerides are made with only one type of fatty acid on the glycerol molecule.