Poisoning & Toxicity


Western Feed, LLC Recalls Kountry Buffet Horse Feed

March 05, 2012

The recalled Kountry Buffet 14% horse feed could contain monensin sodium, which can be fatal for horses.... Read More


Tennessee Horse Deaths Puzzle Authorities

February 23, 2012

Tennessee law enforcement authorities are hoping to solve the mystery surrounding the sudden deaths of ... Read More


Case Studies in Equine Toxicology

February 20, 2012

Equine toxicology experts Drs. Cynthia Gaskill and Laura Kennedy present case studies of poisoned horses.... Read More

Consuming persimmons, while sometimes appealing to horses, can be deadly; its fibers and seeds can create an obstruction within the gastrointestinal tract, resulting in potentially serious impaction colic.


Persimmon Ingestion and Colic: A Retrospective Study

January 15, 2012

Persimmon fibers and seeds can create an obstruction in the GI tract, resulting in serious impaction colic.... Read More


Understanding Atypical Myopathy

December 30, 2011

Atypical myopathy--a sudden onset of acute muscle pain and damage--is related to pasture rather than exercise.... Read More


Atypical Myopathy: 100+ Cases Diagnosed Worldwide in 2011

December 29, 2011

France and Great Britain each logged 34 cases in 2011, while just four cases were diagnosed in North America.... Read More


Botulism or Ticks Likely Caused Australian Horse Deaths

November 02, 2011

Botulism and scrub tick infestations both cause the progressive muscular paralysis seen in the deceased horses... Read More


Rattlesnake Bites in Horses: A Retrospective Review

October 16, 2011

Researchers noted a 9% mortality rate in horses bitten by rattlesnakes.... Read More


Plants That Kill

October 01, 2011

Minimize your horse's risk of ingesting a deadly plant by identifying and removing harmful species ... Read More


Endophyte-Infected Tall Fescue and its Effect on Broodmares

August 22, 2011

Tall fescue produces a toxic alkaloid that causes disorders in broodmares that consume the forage.... Read More


Toxic Blue-Green Algae Forces Trail Event Cancellation

August 01, 2011

A competitive trail riding event in Kansas was canceled due to blue-green algae in Big Hill Reservoir. ... Read More


Toxin Topic: Snakebites and Horses

July 23, 2011

The long hot days of summer bring an increased snakebite risk to all animals, including horses. ... Read More


Alltech Debuts KnowMycotoxins.com

July 16, 2011

Alltech's KnowMycotoxins.com now offers a fresh take on conquering the challenge of mycotoxins. The website ... Read More


Calcium and Phosphorus Ratios in Equine Diets

July 08, 2011

Ensuring your horse maintains a balanced calcium and phosphorus ratio in his diet is critical, as horses with ... Read More


Magnesium Supplementation: Is It Necessary?

June 26, 2011

Science has shown us that horses require magnesium to keep their bodies functioning properly, so should owners... Read More


Blister Beetles: Deadly in Horse Hay

June 02, 2011

Owners should be aware of a potentially fatal tagalong in healthy-looking alfalfa hay: blister beetles.... Read More


Toxin Topic: Landscaping Plants to Avoid

May 28, 2011

Owners often base plant choices in aesthetics, but toxicity should be considered when planting near horses.... Read More


Springtime Means Poison Hemlock Control

April 17, 2011

Controlling poison hemlock growth in early spring could help keep pastures and livestock healthy, according to J.D. Green, PhD, extension weeds specialist with the University of Kentucky College of Agriculture. "Poison hemlock i... Read More


Ask the Vet LIVE Q&A: Poisonous Plants Now Available

April 05, 2011

TheHorse.com's free Ask the Vet LIVE Q&A chat on Poisonous Plants was held March 30, and the audio recording is now available. Just about every pasture or horse property on the planet has undesirable plants or weeds on it. What weeds, trees, and ... Read More


Search for the Cause of Equine Atypical Myopathy

April 04, 2011

Equine atypical myopathy (EAM), a seasonal, pasture-associated muscle disorder of unknown etiology (cause), presents a particular challenge to veterinarians. The disease is characterized by a generalized complete degeneration of muscle fibers, which ... Read More


Poisonous Plants

March 30, 2011

What weeds, trees, and shrubs are poisonous to your horses?... Read More


Mycotoxins and Metabolic Stress in Equine Athletes

November 19, 2010

Thanks to climate change and increasing amounts of grain blends, the prevalence of feed-borne mycotoxins (dangerous toxins exuded from molds) is on the rise, according to Trevor Smith, PhD, of the University of Guelph, Canada. Smith, a professor ... Read More


Molds and Mycotoxins In Horse Feed: Basic Facts

November 11, 2010

Mycotoxins are harmful secondary compounds produced by molds that are found in soil and vegetable matter including grains, forages, and feed.... Read More


Mature Hay Bedding has Potential for Tall Fescue Toxicity

October 14, 2010

With budgets tight, a number of horse farm managers have reduced costs by using a hay harvest of overmature grass pastures for bedding. On the surface it makes sense to bed stalls with this stemmy hay. But be cautious when using it f... Read More


Toxin Topic: Alsike Clover and Red Clover

September 15, 2010

Alsike clover (Trifolium hybridum) and red clover (Trifolium pratense) are valuable forage crops in North America and are often included in pasture seed mixes. However, these plants can be associated with disease conditions in all animals including ... Read More