Effects of steam-flaking on the digestibility of barley grain

Maria Villagrasa

Cereal grains are rich in starch and their content depends on plant variety, weather conditions, and agricultural practices. Adult cows have limited ability to chew cereal grains; it is essential then to break down the seed pericarp by means of chemical or physical treatments to improve its digestibility in the digestive tract.

Grain processing can be divided in two: non-thermal processes such as roller and hammer mills, and thermal processes including dry processing (roasting, etc.) and wet processing (autoclave, steam laminate etc.).

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