Poisoning & Toxicity

Article

Avoid Moldy Corn in Horse Feed

March 01, 2010

Farmers across the Midwest struggled last year to harvest their crops in what turned out to be an unseasonably wet autumn. These conditions led to reports of widespread mold in this year's corn crop. Moldy corn is a hazard for all species o... Read More

Article

Managing Pastures to Avoid Tall Fescue Toxicity

February 25, 2010

Broodmare farm operators in the southeastern United States are interested in managing tall fescue toxicity because of the pregnancy complications it can cause.

The University of Kentucky Horse Pasture Evaluation Program, has evaluate... Read More

Article

Freeze Stops European Atypical Myopathy Reports

January 21, 2010

The largest outbreak of equine atypical myopathy in Europe has ended with freezing winter temperatures, with a record number of 371 reported cases, according to a group of researchers in Belgium.

... Read More

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Horse Vets Say: Hold the Persimmons, Please (AAEP 2009)

January 21, 2010

Persimmons are tropical, bright orange fruits that are claimed to have many health benefits in humans, from helping prevent cancer to arresting the hiccups. However, they have a dark side--they can form hard "concretions," or fiber ma... Read More

Article

Equine Grass Sickness Reviewed

January 07, 2010

A fatal gastrointestinal disease once limited to Scotland is being seen more frequently in certain parts of the world due to geographical progression, said British researchers. Frequently occurring throughout Great Britain, equine gr... Read More

Article

Watch for Poisonous Weeds in Hay

November 19, 2009

Most weeds are not palatable and will be avoided by pastured livestock if adequate forage is available... Read More

Article

Polo Horse Drug Testing to Debut Next Year

November 04, 2009

Random drug tests will begin next year for horses in polo matches in the United States after the deaths of 21 elite horses in Florida that were injected with an incorrectly mixed supplement shortly before a championship match, the United... Read More

Article

Sunburn Solutions

November 01, 2009

My neighbor has a major problem with sunburn on her Appaloosa mare. What do you recommend to help heal it?... Read More

Article

Reward Offered for Information on Oregon Horse Poisoning

October 07, 2009

The Humane Society of the United States is offering a reward of up to $2,500 for information leading to the identification, arrest and conviction of the person or persons responsible for killing four horses in Lake County, Ore.

Between Sept... Read More

Article

Nitrate Poisoning in Horses

October 06, 2009

Fortunately, nitrate/nitrite poisoning is not a common problem in horses. However, due to serious and potentially fatal consequences of nitrate/nitrite poisoning, horse owners should be aware of the condition and understand the risk factors.... Read More

Article

Toxic Ragwort Warning Issued by UK Group

August 25, 2009

Land and horse owners are reminded to be on their guard against deadly ragwort following the inclement weather of July and August, World Horse Welfare noted in a statement Aug. 13.

"Ragwort poses a huge risk to horse health and in... Read More

Article

Toxic Mushroom Risk for Horses in Kentucky Pastures Due to Wet Weather

August 08, 2009

At the beginning of August, the University of Kentucky's Livestock Disease Diagnostic Center (LDDC) received several calls regarding the presence of mushrooms in pastures around eastern Kentucky. Callers were concerned about whether it presented... Read More

Article

Horse Dies in Decomposing Seaweed; Toxic Gas Blamed

August 06, 2009

A horse died and its owner fell unconscious within seconds of falling into decomposing green seaweed along the northern coast of Brittany, France, last week, according to several sources.

Vincent Petit, DVM, PhD, said he was hand-leading... Read More

Article

Poisoned Saddlebred Horses on the Mend

August 05, 2009

An American Saddlebred show horse in critical condition after ingesting unknown quantities of oleander leaves is recovering and will be released from the hospital later this week, according to the veterinarian supervising its... Read More

Article

Poisoned Horses Update; One Still Critical

August 02, 2009

Debbie Tomin, co-owner with her husband, Bill, of Rockridge Farm in Rancho Santa Fe, Calif., told TheHorse.com late Sunday morning that "23 horses were fed the poisonous concoction (of apples, carrots, and oleander leaves).

"All the one... Read More

Article

California Show Horses Poisoned with Oleander

August 02, 2009

In California, a San Diego County ranch owner says 23 show horses have been poisoned by someone who fed them highly toxic oleander leaves.

Debbie Tomin, owner of Rockridge Farm in Rancho Santa Fe, Calif., says three horses are seriously... Read More

Article

Snakebite Woes

August 01, 2009

Have you noticed or had owners comment on the change in a horse's personality after a rattlesnake bite? My mar... Read More

Article

Hay Herbicides Not a Risk to Horses, Despite Manure-Fertilized Crop Loss

July 10, 2009

Recent reported crop losses in North Carolina and several other states are linked to certain broad leaf herbicides containing aminopyralid, clopyralid, and picloram, according to researchers. In North Carolina, people with gardens and organic... Read More

Article

Grazing Horses in Moderately Polluted Areas

June 27, 2009

Horses might serve as good management tools for pastures moderately polluted by trace elements, according to Spanish researchers. And provided the animals receive adequate, systematic monitoring through biological sampling, they can be kept on... Read More

Article

Poisonous Hemlock: A Growing Problem

June 13, 2009

The association of poison hemlock with the death of Socrates in ancient Greece in 399 B.C. provides a glimpse of the toxic history of this plant. Two decades ago an aggressive search was required before a specimen could be found in Arkansas, but no... Read More

Article

TheHorse.com en Español: La Muerte de Caballos Poleros Emprende una Investigación

May 14, 2009

This is one of a series of articles translated as part of our partnership with A Caballo, an equine publication based in Mexico, and Jorge Murga, DVM. Kee... Read More

Article

University of Florida Vet Faculty Work to Solve Polo Pony Mystery

May 05, 2009

Postmortem testing conducted by University of Florida College of Veterinary Medicine pathologists and toxicologists on a group of prized polo horses that collapsed and died April 19 in Wellington, Fla., drew international attention, with riveted... Read More

Article

Pharmacy Releases Statement on Polo Pony Test Results

April 29, 2009

The pharmacy involved in the investigation into the recent death of 21 polo ponies in Wellington, Fla., has released a statement verifying that selenium was the excess ingredient in the medication prepared for the ponies.

Florida State... Read More

Article

State Vet: Selenium Overdose Likely Cause of Polo Pony Deaths

April 28, 2009

Florida State Veterinarian Thomas J. Holt, DVM, reported today that an overdose of selenium was the probable cause of death of the 21 polo horses that collapsed prior to a... Read More

Article

Polo Ponies: Pharmacy Says it Erred in Medication Prep

April 23, 2009

An official at a Florida pharmacy said Thursday the business incorrectly prepared a supplement given to 21 polo horses that died over the weekend while preparing to play in a championship match.

Jennifer Beckett of Franck's Pharmacy in Ocala,... Read More