Poisoning & Toxicity

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Weed of the Month: Eastern Poison Ivy

January 25, 2014

Horses are not sensitive to poison ivy, but can transfer the irritating urushiol oil to humans.... Read More

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Atypical Myopathy Kills Hundreds of European Horses

December 05, 2013

The deadly disease atypical myopathy has claimed hundreds of equine lives in Europe over the past few weeks.... Read More

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Fescue Toxicosis

November 25, 2013

The fungus that lives inside infected tall fescue can have negative effects on broodmares and their foals.... Read More

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Fescue Sample Handling, Storage can Affect Analysis Results

November 19, 2013

Much of Kentucky's pastures contain fescue, which can be dangerous for grazing animals, including horses.... Read More

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Acorns Could be to Blame for French Horses' Deaths

November 07, 2013

At least 10 horses died after consuming acorns, according to a treating veterinarian. ... Read More

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Weed of the Month: Bitter Sneezeweed

September 28, 2013

This plant contains toxins that can cause digestive issues, appetite loss, and neurologic problems in horses.... Read More

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Box Elder Tree Seeds Linked to Seasonal Pasture Myopathy

August 09, 2013

Researchers weed out the causes of deadly seasonal pasture myopathy and atypical myopathy in horses.... Read More

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Mycotoxin Feed Contamination Poses Health Risks for Horses

July 24, 2013

Learn about the potentially serious horse health problems mycotoxins—metabolites produced by mold—can cause.... Read More

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Snakebite in Horses

July 15, 2013

Learn about the clinical signs of snakebites and treatment options that could help affected horses recover.... Read More

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Rattlesnake Bite Vaccine

July 08, 2013

Is the equine vaccine for snakebites effective against all rattlesnake species in the United States?... Read More

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New Study Links Sycamore Tree to Atypical Myopathy

June 19, 2013

Toxins from the seeds of the sycamore tree are the likely cause of atypical myopathy.... Read More

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Fescue Grass Toxicity in Broodmares

May 19, 2013

During the breeding and foaling season, lush fescue pastures could create problems for pregnant mares.... Read More

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Oleander Poisoning: A Preventable Illness

May 01, 2013

Oleanders contain numerous toxic compounds which can be deadly to people and animals--including horses.... Read More

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Few Clues in Alleged Pennsylvania Horse Poisonings

April 11, 2013

Law enforcement authorities continue to be stymied by the alleged poising of nine horses in Pennsylvania. ... Read More

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Pennsylvania Police Probe Alleged Horse Poisonings

April 02, 2013

Police are hoping the public can help unravel a mystery surrounding nine alleged horse poisonings.... Read More

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Alltech Launches Five-Point Mycotoxin Management Program

March 09, 2013

Exposure to certain mycotoxins can cause a number of serious health problems for horses, including death.... Read More

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Using Mature Hay for Bedding: Potential for Tall Fescue Toxicity

January 24, 2013

Ergovaline levels over 200 ppb (parts per billion) in mature hay can cause fescue toxicity in pregnant mares.... Read More

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Link Identified between Tree Seed and Seasonal Pasture Myopathy

January 16, 2013

Seeds from box elder trees were consistently present in the autumn pastures of all horses studied.... Read More

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Toxic Weeds Likely Behind the Deaths of 19 BLM Horses

December 17, 2012

Preliminary results from Colorado State University suggests ingestion of the plant caused the horses' deaths.... Read More

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Simultaneous Ivermectin and Solanum Plant Poisoning in Horses

December 07, 2012

Horses consuming Solanum plants could be at risk for ivermectin toxicity, even if the drug is dosed correctly.... Read More

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UK to Host 2013 Equine Showcase, Breeders' Short Course

December 04, 2012

The programs will highlight industry research findings, reproduction topics, and horse management issues.... Read More

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Weed of the Month: Common Milkweed

November 16, 2012

Common milkweed produces cardiac-glycosides that are toxic to horses and can cause death within 24 hours.... Read More

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Could Endophyte-Infected Fescue Cause Lameness in Horses?

November 06, 2012

Researchers observed noticeable lameness in horses consuming high levels of endophyte-infected seeds and hay.... Read More

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Fluoridated Water and Horses

October 14, 2012

Studies are needed to determine safe limits of fluoride in feed and water for horses.... Read More

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Horse Owners Warned that Ragwort in UK "Worse than Ever"

October 07, 2012

Ragwort is a poisonous weed for horses which results resulting in liver damage and, sometimes, death.... Read More