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Equine Education ~ Poisonous Plants

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Knowledge is Power. It's not always easy to diagnose, but toxicity in horses, or poisoning can be difficult to determine, and sometimes is even harder to treat. Knowing what types of trees, plants, shrubs, weeds, and even bedding your horse could be around is the first step in preventing major health problems. Although horse's are not supposed to consume these toxic forages, it happens. Given plenty of good quality forages and access to healthy feed, a typical horse will not eat poisonous materials. That being said, horses don't read the manuals! Even consuming large amounts of certain dry or wilted tree leaves can become toxic. Know what you are feeding, and what your horse has access to. These helpful documents listed below as pdf's are great resources.

    Common Poisonous Shrubs and Trees- 1 page Chart from Equus Magazine August 2007

    Plants Poisonous or Harmful to Horses in North Central United States by Univ. or Minn. Ext.  -48 pages

    Guide to Toxic Plants in Forages  WS-37 by Purdue Univ. Ext - 28 pages - great color pictures!

    Poisonous Plants - Horse Nutrition Bulletin 762-00 by Ohio State Univ. Ext. - 17 pages

    Poisonous Pasture Weeds - w additional links - 6 pages

    Vegatation that is Toxic to Horses -by Spring Creek Horse Rescue - 10 pages

    Poisoning of Horses by Plants - by Penny Lawlis, OMAFRA - 17 pages
   
    Poisonous Plants and Equine by Utah State University Ext. - 9 pages

    Toxicology - plants to horses - 2 page summary - handout from Equine Open House by Wayne SWCD

    Various Symptoms of Poisoning in Horses - 2 page summary- handout from Equine Open House by W SWCD