Why does turning hungry cattle onto fresh alfalfa pasture significantly increase the bloat risk?

Answer

They gorge themselves quickly, compressing the time for microbial adaptation or prevention measures.

When cattle consume the foam-producing material very quickly due to hunger, the speed compresses the time available for rumen microbes to adapt or for preventative measures to take effect.

Why does turning hungry cattle onto fresh alfalfa pasture significantly increase the bloat risk?
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