What crucial buffering action is provided by feeding high-fiber grass hay before turning cattle onto alfalfa pasture?

Answer

It absorbs moisture and slows the initial rate of intake.

Feeding high-fiber grass hay beforehand acts as an internal buffer by absorbing some moisture and slowing the initial rate at which cattle consume the lush forage, buffering against rapid foam formation.

What crucial buffering action is provided by feeding high-fiber grass hay before turning cattle onto alfalfa pasture?
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