29/12/2023
Intoxikace šedivkou šedou 🌾🌿🍃🌱
Horse owners are reminded to watch for hoary alyssum in their hay. Hoary alyssum is a perennial toxic w**d commonly found in sandy pastures and hay fields in the Midwest. Hoary alyssum is toxic when horses graze the fresh plant in the pasture or when consumed as a dried plant in hay. Most hoary alyssum poisoning occurs when horses accidentally consume it in hay. Common signs of toxicity include:
- Swelling and fluid build-up in the lower legs or “stocking up”
- A fever of 103F or higher
- Warm hooves
- Pronounced digital pulse (laminitis)
- Stiff joints and an unwillingness to move
- A “camped out” stance
- Rarely death
There is zero tolerance for hoary alyssum in hay intended for horses; do not feed hay infested with hoary alyssum to horses. Hoary alyssum does not affect other livestock, so hay infested with hoary alyssum can be fed to cattle. In most horses, clinical signs normally disappear with supportive treatment 2 to 4 days after removing the w**d source. However, some horses may be slow to return to full performance or may never completely recover.
For more information on hoary alyssum visit https://extension.umn.edu/horse-pastures-and-facilities/hoary-alyssum-most-common-poisonous-plant-horses-minnesota