Trifolium hybridum

Trifolium hybridum is toxic to horses. The reported severity is critical. Also known as Alsike Clover.

horses

Mild Moderate Severe Critical

If your animal ate this plant, call your veterinarian now, or one of these services.

What do I do right now?
  • Australia
    Animal Poisons Helpline 1300 869 738 24 hours, every day · From $75
  • Austria
    Vergiftungsinformationszentrale 01 406 43 43 24 hours, every day
  • Belgium
    Centre Antipoisons 070 245 245 08:00 to 22:00 on weekdays, 10:00 to 22:00 at weekends · Human calls come first. The centre has no funding for animal work.
  • Canada
    Pet Poison Helpline (855) 764-7661 24 hours, every day · $89 for each incident
  • France
    Centre National d'Informations Toxicologiques Vétérinaires 04 78 87 10 40 08:30 to midnight, every day
  • Germany
    Giftinformationszentrum Bonn 0228 19240 24 hours, every day · Germany has no dedicated animal service. Human calls come first, so an animal call can wait.
  • Ireland

    Ireland has no animal poison service for owners. Call your veterinarian. An Irish veterinarian can consult the Veterinary Poisons Information Service in the United Kingdom.

  • Italy
    Centro Antiveleni di Milano 02 6610 1029 24 hours, every day
  • Netherlands
    Nationaal Vergiftigingen Informatie Centrum 088 755 8000 Veterinarians only 24 hours, every day · Call your veterinarian. Your veterinarian calls this line.
  • New Zealand
    Animal Poisons Helpline 0800 869 738 24 hours, every day
  • Sweden

    Giftinformationscentralen stopped answering questions about animals on 1 July 2018. Call your veterinarian or an animal hospital.

  • Switzerland
    Tox Info Suisse 145 24 hours, every day · From outside Switzerland, call +41 44 251 51 51.
  • United Kingdom
    Animal PoisonLine 01202 509 000 24 hours, every day · £35 from 08:00 to 20:00 Monday to Friday, £45 at other times
    Veterinary Poisons Information Service 020 7305 5055 Veterinarians only 24 hours, every day · A members only service. Your veterinarian calls this line.
  • United States
    ASPCA Animal Poison Control Center (888) 426-4435 24 hours, every day · A consultation fee applies
    Pet Poison Helpline (855) 764-7661 24 hours, every day · $89 for each incident

Symptoms to watch for

Dermatitis Liver Failure Head Pressing Yawning Recumbency Photosensitivity Jaundice Weight Loss

The color of each symptom follows the severity scale above.

About

Trifolium hybridum, the alsike clover, is a species of flowering plant in the pea family, Fabaceae. The trifoliate leaves are unmarked and the stalked, pale pink or whitish flower head grows from the leaf axils.

How this plant poisons

There is limited evidence of T. hybridum having toxic effects on horses including photosensitization and Alsike clover poisoning. Photosensitivity in horses, also known as alsike rash, is a reversible condition in which the mechanism is unknown. A diet in equestrians of at least 20% T. hybridum over the course of four weeks could lead to poisoning which includes deleterious neurological effects and liver failure. The active toxin is unknown. The plant can irritate skin if handled.

Common Names

  • Alsike Clover

Also recorded as Hybrid Clover and Swedish Clover.

Facts

Family
Fabaceae
Duration
Annual, Perennial
Growth habit
Forb/herb
In the wild
GB, SE, FR, DE, NL, FI + more
Source
Wikipedia, CC BY-SA 4.0

Countries with the most wild observations, from GBIF data.