Prussic acid and frost

By Ben Beckman, Nebraska Extension
Oct 18, 2021
Oct 18, 2021

Forage Freeze — Sorghum-sudangrass hybrids planted as a cover crop in northeast Nebraska were damaged by a light frost in early October. This new growth would be at extremely high risk for prussic acid poisoning.
Photos courtesy Ben Beckman/University of Nebraska

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By Ben Beckman, Nebraska Extension

With a warmer than usual fall so far, we’ve been able to graze later in the year with few concerns. However, cold temperatures are not far off and with our first freezes of the year comes the risk of prussic acid in sorghum species.

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