| Term | Tansy |
| Category | Herbs |
| Definition | Tansy is a yellow-flowering wild plant with an intense odor. It is not a suitable forage plant for horses and should not be fed intentionally. |
| Effects & Risks | Tansy contains essential oils, including varying amounts of thujone depending on the plant's origin and individual specimen. In larger quantities, these substances can irritate the nervous system and cause digestive issues, restlessness, or seizures. |
| Application | Tansy should not be used as a feed herb for horses. Targeted internal use is also not recommended. |
| Fresh or dried? | Both fresh and dried tansy can be problematic. Drying does not reliably make the plant a safe feed. |
| Important to know | Potential signs of poisoning include loss of appetite, abdominal pain, restlessness, tremors, and seizures. If ingestion of a significant amount is suspected, veterinary advice should be sought. |
| Related terms | Toxic plants · Thujone · Nervous system · Pasture management · Poisoning |
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