01/05/2026
⚠️ Sycamore seedling reminder 🌱
As we embrace spring, it's crucial to be mindful of the emergence of sycamore seedlings. Despite their unassuming appearance, sycamore seedlings pose significant risks to horses.
Sycamore seedlings are associated with Atypical Myopathy (AM), a serious and often fatal condition in horses. AM occurs when horses ingest sycamore seeds or seedlings which contain Hypoglycin-A (HGA), a toxin that disrupts muscle function. The onset of AM is rapid, with mortality rates ranging from 56-61%.
👁️ Keep a vigilant eye on your fields for sycamore seedlings. If you spot any, take action immediately:
➡️ Remove sycamore seedlings from pastures.
➡️ Consult your vet if you suspect your horse has ingested sycamore material.
🤝 EIDS collaborates with the Université de Liège's Atypical Myopathy Alert Network (AMAG) and reports any cases of AM in our ICC reports.
➡️ If you are interested in reporting cases or receiving alerts on atypical myopathy, please visit our website's 'sign-up' page (www.equinesurveillance.org/) and look for the University of Liege logo.
