Poisoning & Toxicity

Article

Hazards Could be Hidden in Hay

July 16, 2008

Just 24 hours after Betsy Bueno of Santa Rosa, Calif., began feeding her horses a new batch of hay, one colicked and began to show neurologic signs. Within days, two of her 12 horses required euthanasia and seven were showing similar clinical... Read More

Article

Rapid and Reliable Test for Diarrhea-Causing Toxin Identified

July 13, 2008

Toxins produced by the bacterium Clostridium difficile can cause diarrhea in adult horses and foals. The high economic impact associated with treatment costs, considerable animal losses to disease associated with mortality and... Read More

Article

Rattlesnake Bite Management Recommendations

July 06, 2008

The United States is home to 26 species of rattlesnakes, making rattlesnake bites relatively common events in equine medicine. Horse owners definitely need to resist the urge to begin sucking the venom from their horse's rattlesnake bite... Read More

Article

Scientists: Arsenic Killed Phar Lap

June 20, 2008

Forensic scientists say champion Australian gelding Phar Lap died of arsenic poisoning, solving a mystery that has intrigued the horse racing world for more than 75 years.

Phar Lap won 37 of his 51 starts before his death in mysterious... Read More

Article

Risk Factors for Atypical Myopathy

June 07, 2008

Aggressive research efforts by Belgian veterinarians have culminated in the identification of numerous indicators or factors--including horse management and pasture characteristics--associated with atypical myopathy, a rapidly developing and fatal di... Read More

Article

Purina Recalling Horse Feed in Eastern States

May 05, 2008

Land O'Lakes Purina Feed LLC has implemented a voluntary recall of some horse feed due to a possible excess of aflatoxin. According to a statement released by the company, no confirmed animal health complaints attributable to aflatoxins have bee... Read More

Article

Horse Feed Recall Affects East Coast

May 05, 2008

Horse feed dealers are the key to identifying if there's a potential problem with recently purchased Purina feed, according to Land O'Lakes spokesperson Lydia Botham.

Land O'Lakes Purina Feed LLC recently announced a recall of certain horse... Read More

Article

Investigating Horse Poisoning

April 13, 2008

When an owner suspects that a horse might have eaten something poisonous, the veterinarian is generally the first person he or she calls. In addition to treating any health problems, that veterinarian is uniquely suited to investigate the cause... Read More

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