Poisoning & Toxicity

Article

75 Horses Affected by Neurologic Disorder; Mycotoxins Suspected

March 06, 2008

Toxic food sources are one likely explanation for recurrent cases of hind limb polyneuropathy in horses throughout Norway, according to research published in the Journal of Veterinary Internal Medicine in February.

Seventy-five horses... Read More

Article

Toxic Plants: New Extension Service Book Provides Guide for Horse Owners

December 27, 2007

To help horse owners identify and control poisonous weeds and plants and understand treatment recommendations for their horses, University of Minnesota Extension recently released a book titled Plants Poisonous or Harmful to Horses in the... Read More

Article

Was Phar Lap Poisoned?

December 25, 2007

The great Australian Thoroughbred racehorse Phar Lap came to the United States to challenge all comers. He died of mysterious causes on April 5, 1932. Last year a group of scientists tested a section of Phar Lap's hide that was preserved and on... Read More

Article

Four Horses Die after Feed Mixing Error

December 03, 2007

A horse and three ponies have died, and several other equids have been temporarily paralyzed, following the ingestion of contaminated feed in French Guiana (a department of France located on the northern edge of South America), according to the... Read More

Article

USRider Advises Steps Avoid CO Poisoning in Horse Trailer Living Quarters

October 16, 2007

Two children and their grandparents were killed by carbon monoxide fumes while sleeping inside the living quarters of a horse trailer the night of Oct. 11 (for more on this see Read More

Article

Imported Hay Could Hold Hidden Health Dangers

September 23, 2007

As if hay scarcity and high prices aren’t enough, experts are warning horse owners that imported hay could also hide horse health dangers including seriously low amounts of essential vitamins such as A and E, excessive amounts of selenium, and... Read More

Article

Unacceptably High Fungal Levels Identified in Horse Feeds

September 08, 2007

High levels of fungal species and mycotoxins (the toxins produced by some fungi) have been identified in equine feeds. This contamination can result in nutrient losses from the food, and it can negatively impact the health and productivity of... Read More

Article

British Group Calling for Pulling Parties to Remove Toxic Weed

September 06, 2007

The British Horse Society (BHS) has placed a call for volunteers to organize ragwort-pulling parties during its Ragwort Awareness Week to remove the deadly weed where it is growing on, and near to, grazing land. The second BHS... Read More

Article

Toxic Weed Hoary Alyssum Found in Drought-Affected Pastures

August 24, 2007

The 2007 growing season's drought conditions are causing challenges for anyone who handles plants or animals. Horse owners are no exception, and to a list of concerns including a shortage of hay and lack of pasture growth they need to add... Read More

Article

Farm Worker Settles in Horse Poisoning Accusation Case

July 08, 2007

A woman who worked at an equestrian facility in College Station, Texas, where 27 horses died last year settled a lawsuit she filed against the stable's owner, who had accused her o... Read More

Article

Possible Toxicity: Georgia Horses Sickened by Michigan Hay

July 02, 2007

Georgia Agriculture Commissioner Tommy Irvin has alerted horse owners to a problem with some alfalfa hay from Michigan and the upper Midwest. The hay is believed to contain hoary alyssum (Berteroa incana), a weed that is toxic to... Read More

Article

Toxicity of Equisetum to Horses

June 09, 2007

Present and persistent since the Paleozoic era (250 to 540 million years ago), the plants of the genus Equisetum, commonly known as horsetail, are considered to be living fossils. These widespread, perennial, fern-like plants... Read More

Article

Horse Riders Charged With Intoxication

June 01, 2007

Two people police say were hoping to avoid drinking and driving chose instead to head home on horseback, and ended up under arrest anyway.

Culpeper, Va., police officers Lonnie Myers and Tim Chilton heard a disturbance last Thursday aroun... Read More

Article

Manna Pro: Milk Replacer Recall Not Linked to Melamine Contamination

May 07, 2007

The recall of a batch of milk replacer commonly used for foals is not related to the widespread pet food recalls, according to a report released by the company.

A batch of Unimilk milk replacer was withdrawn after customers reported that th... Read More

Article

Blister Beetles in Hay: Shop Smart to Reduce the Risk

April 12, 2007

Alfalfa hay is an excellent, high quality forage for horses, but it has the potential to attract blister beetles--toxic insects that can kill horses if ingested.

Blister beetles cause inflammation and blistering of the skin within hours... Read More

Article

BHS Supporting Efforts to Eliminate Toxic Weed

March 23, 2007

The BHS is launching the first part of their 2007 Ragwort Awareness Campaign, urging all concerned parties to get pulling to prevent the spread of Ragwort.

They will once again be holding two Ragwort Awareness Weeks; April 2-8 and... Read More

Article

Toxic Chemical Identified as Cause of Maine Horse Deaths

March 16, 2007

According to Maine State Veterinarian Don Hoenig, VMD, an antibacterial additive used in cattle feed has been identified as the cause of death for seven Searsport horses, the Read More

Article

Seasonal Tying-Up: Toxins or Deficiency?

December 02, 2006

In Minnesota, cases of pasture myopathy (muslce disease caused by pasture) associated with severe non-exercise-induced rhabdomyolysis (also know as tying-up) are often attributed to the toxins found in white snakeroot. However, researchers at th... Read More

Article

Mycotoxins and Horse Health Covered in Forum

December 01, 2006

The Fourth World Mycotoxin Forum was held in Cincinnati, Ohio, Nov. 6-8. Scientists, regulatory authorities, and industry personnel from over 30 countries met to review the current knowledge related to mycotoxins and discuss strategies for the... Read More

Article

University of Wisconsin Vying to Host Animal Disease Lab

November 29, 2006

The University of Wisconsin-Madison hopes to land a new high-security federal lab where scientists would help lead the nation's research on deadly animal diseases.

The lab would be operated by the U.S. Department of Agriculture and the U.S.... Read More

Article

FDA Warns Horse Owners About Fumonisins in Horse Feed

November 29, 2006

Each year, a number of horses die from eating corn or corn byproducts containing fumonisins. Fumonisins are a group of toxins produced by an endophytic mold found within the corn kernel. Typically, fumonisins are produced while the corn plant is... Read More

Article

FDA Warns Horse Owners and Veterinarians About Deaths Due to Unapproved Clenbuterol

November 27, 2006

The FDA has become aware of the deaths of several horses in the State of Louisiana associated with the use of a product labeled as "Clenbuterol HCL." Horse owners and veterinarians should be aware that there are no generic clenbuterol-containing... Read More

Article

Madonna Receives New Horse for Birthday

November 26, 2006

Singer/actress Madonna received a purebred Welsh gelding for her 47th birthday from her husband, Guy Ritchie, according to an icwales.co.uk article by Steve Dube of the Western Mail on Nov. 25. The gray gelding, Ystrad Dewi Briton (barn name... Read More

Article

Concentrated Counterfeit Clenbuterol Having Deadly Effect

November 22, 2006

Veterinarians at Louisiana State University have confirmed that two horses being treated at their veterinary teaching hospital died after ingesting concentrated clenbuterol. Tests on the drug have revealed that the solution contains 70 times the... Read More

Article

New Claim: Arsenic Poisoning Killed Phar Lap

October 23, 2006

Arsenic killed Australasia's greatest racehorse Phar Lap near San Francisco 74 years ago, a new scientific study alleges. The story in the Rupert-Murdoch-owned (Melbourne) Sun-Herald suggests that the finding 'reveals' that Phar Lap was... Read More