Poisoning & Toxicity

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

Article

Owner of Texas Boarding Stable Suspects Intentional Poisoning of 27 Horses

September 21, 2006

The owner of Carousel Acres, the College Station, Texas, boarding facility where 27 horses died the week of July 16, says he now believes the horses were poisoned intentionally, according to The Eagle Land and Livestock Post.

The... Read More

Article

Damage From Within

September 01, 2006

Mycotoxins can form in plants within hours and they can reach maximum concentration within one to two weeks. ... Read More

Article

Accidental Poisoning Kills 27 Horses at Texas Boarding Barn

September 01, 2006

Twenty-seven horses died the week of July 16 from apparent accidental poisoning at a boarding farm in College Station, Texas.

Researchers at nearby Texas A&M University (TAMU) suspect a pesticide fumigant used in a feed silo nearby was... Read More

Article

Purina Releases Statement Regarding Texan Toxicity Incident

August 17, 2006

Press release from Land O'Lakes Purina Feed LLC:

The Texas A&M College of Veterinary Medicine has advised Land O'Lakes Purina Feed LLC that it has completed its investigation of the Brazos County, Texas, horse mortality... Read More

Article

Texas Department of Agriculture Investigating Toxicity Deaths

July 25, 2006

The Texas Department of Agriculture is investigating the manner of pesticide application that led to the deaths of 27 horses at a boarding facility in Read More

Article

Texas A&M: Horse Mortality Incident Traced to Pesticide

July 21, 2006

Testing at the Texas A&M University College of Veterinary Medicine and Biomedical Sciences and the Texas Veterinary Medical Diagnostic Laboratory has yielded evidence that the toxic principal responsible for the recent deaths of more... Read More

Article

Exact Cause of Toxicity Deaths Still Unknown

July 21, 2006

Researchers at Texas A&M University (TAMU) in College Station, Texas, say they strongly suspect that the pesticide used on feed at nearby Carousel Acres was directly involved in the death of 27 horses. However, the reason for the extreme... Read More

Article

Veterinarians Investigate Toxicity Deaths

July 20, 2006

Twenty-seven horses have died in what appears to be an accidental poisoning at a Brazos County, Texas boarding barn, reports The Bryan-College Station Eagle, a local newspaper.

Preliminary reports suggest that the horses' feed... Read More

Article

Australian Toxic Feed Case Decided

July 06, 2006

An Australian court awarded $71,000 in damages after a Sydney area family’s Thoroughbred mare died and three other show horses were permanently retired due to heart conditions resulting from contaminated feed, the Sydney Morning... Read More

Article

Dealing with Old Injuries

June 01, 2006

I have a 20-year-old Quarter Horse that is in top working condition, worked daily in basic dressage, and he is always happy to jump whatever I ask him to. However, before I purchased him, he had a deep wound in his offside flank. It’s long been... Read More

Article

Nightshade and Ivermectin: A Deadly Mixture

May 01, 2006

Editor's note: When researching the unknown illness story on this page, the following study on ivermectin's interaction with a noxious weed was discovered. Nightshade and other poisonous plants should be eliminated from pastures.... Read More

Article

Four Horses Dead, One Ill; Dewormer Questioned

May 01, 2006

Four horses on a South Texas farm died from unknown causes in February; one horse is recovering. The horses' owner suspects the problems might have been caused by a dewormer; she has necropsy and other test results, but she has not released them... Read More

Article

What Was Causing Foal Abnormalities?

May 01, 2006

I have bred and raised 142 Morgan foals since 1976. During that time, we've had eight foals born with a very similar set of problems--contracted front tendons, an underbite, lethargy, hypothyroidism, and/or mental deficiency. We tried bottle... Read More

Article

Bute: How Much is Too Much?

January 01, 2006

Phenylbutazone (PBZ), commonly known as Bute, can be the horse owner's (and horse's) best friend. This popular and economical non-steroidal anti-inflammatory (NSAID) blocks pain, reduces swelling and inflammation, and lowers fever, making it an... Read More

Article

Tennessee Feed Recalled

November 18, 2005

Tennessee Farmers Cooperative officials voluntarily recalled four lots of horse feed in early and mid-November after a horse's death was linked to the feed, which contained high levels of a livestock drug. The 10% Grain Mix (item #93638) was... Read More

Article

Clover Photosensitivity

October 01, 2005

A rainy, cool summer in Manitoba, Canada, was turning to fall when Thunder, a 2-year-old Paint/Arab cross gelding with lots of white across his body, began to show signs of colic. He was treated for colic four times in two days. Annette Fleming,... Read More

Article

Black Walnut Tree Shavings as Trail Mulch?

April 01, 2005

Q: This summer we are planning to start making riding trails on our heavily wooded property. As we cut down the branches and trees, we plan to chip the wood to mulch the trails. However, we have a good number of black walnut trees, and I am wondering... Read More

Article

Adverse Effects Associated With Systemic NSAIDs

January 01, 2005

Non-steroidal anti-inflammatory drugs (NSAIDs) drugs are an important component of therapy for equine pain, but according to researchers at North Carolina State University's (NCSU) College of Veterinary Medicine, overuse and misuse of NSAIDs can... Read More

Article

Is Millet a Problem in the Pasture?

November 01, 2004

I am considering moving my two mares to 10 acres of land that had been planted with millet feed last spring. Because of the lack of moisture, the millet only grew to be about five inches high, then dried out and died. I am going to wait and see... Read More

Article

Horse Care in the Fall

September 28, 2004

Fall deworming is important; winter is usually when internal parasites do the most damage and rob the horse of vital nutrients. By fall the worm eggs and larvae eaten during spring and summer have matured and are living in the digestive tract unless ... Read More

Article

Good/Bad Effects of Antioxidants

July 01, 2004

In a society that is trying to slow the aging process, free radicals and antioxidants are terms that are regularly tossed around. One might not realize their importance in horses, but researchers continue to pursue the details of how and why the... Read More