Johnsongrass

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Johnsongrass

Image from Houstonian

Names

Sorghum, Sudan grass

Description

Grass with a coarse stem and broad, veined leaves. Can grow up to six feet tall and have large multi-branched seed heads.

Johnsongrass

Concern Level

High after rainfall when new shoots grow quickly.

Toxic Parts

Leaves and stems, young shoots contain the highest concentration.

Johnsongrass

Image from radianthorizon

Symptoms

Loss of nerve function in bladder and hind legs, lack of coordination, constant dribbling of urine due to bladder paralysis, bladder infection, fetal deformities, fetal death.

Danger

Contains a cyanide compound which inhibits the body’s ability to absorb oxygen.

Johnsongrass

Image from wo de shijie

More Information

Illinois Natural History Survey

*It should be noted that we are not veterinarians. This information is written specifically for horses and should be used for reference purposes only. If you think your horse has eaten something toxic call your vet right away.

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