Poisoning & Toxicity
July 22, 2008
Federal officials probing the deaths of 71 wild horses on a military site ruled out high levels of nitrate in a pond, saying such rates occurred naturally.
Testing of a watering hole showed that the nitrate levels came from a combination of... Read More
July 17, 2008
With cases reported already this year, horse owners are being cautioned about a toxic plant that flourishes during drought and in overgrazed conditions.
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
July 08, 2007
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
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
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
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
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
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Q. What is creeping indigo and will it hurt my horse?