Poisoning & Toxicity
February 27, 2009
Ivermectin has become one of the most widely used deworming medications worldwide since its introduction 25 years ago. It's usually considered to have a large margin of safety, but it can be highly toxic in rare circumstances... Read More
February 12, 2009
A complete wrap-up of the 2007 American Association of Equine Practitioners Convention held in Orlando, Fla.... Read More
January 05, 2009
A mystery toxin killed a fifth horse in western North Carolina in November. Veterinarians now suspect this case might be due to the same substance that caused the death of four other horses earlier that month.
The fifth horse was... Read More
December 06, 2008
If you think you are pampering and protecting your horse in his cushy, comfortable stall instead of turning him out on pasture, think again. Michigan State University researchers have found that stabled horses are exposed to eight... Read More
November 17, 2008
Veterinarians are still searching for what caused the deaths of four horses in Fairview, N.C., earlier this month.
An analysis of the animals' feed failed to reveal the presenc... Read More
November 16, 2008
The tag on every animal feed product is labeled with information required by the FDA, with ingredients listed in descending order of predominance--from most to least inclusion. "However, this is not always enforced and there is no guarantee that list... Read More
November 13, 2008
Veterinarians are trying to determine the cause of an illness that has killed four horses in Fairview, N.C., since last Thursday.
Affected horses show a rapid deterioration in muscle condition. Other clinical signs include lethargy, shaking,... Read More
October 10, 2008
Around 100 horses have died at EquiTransfer, a Marion County, Fla., embryo transfer farm. Veterinary officials say that botulism from haylage might be to blame.
EquiTransfer is owned by veterinarians Jose Dávila, DVM, and his wife, Francis... Read More
October 10, 2008
As autumn rolls around, pastures become depleted as grass and plant growth slows prior to going dormant for winter. So, it's not surprising that this time of year can also bring an increase in reports of horses becoming ill from... Read More
October 01, 2008
Poisoning in horses is not a common occurrence, but when poisoning occurs, effects can be disastrous and far-reaching. Listing all toxic substances is impossible, as virtually everything on the planet can be toxic at sufficiently high dosages.... Read More
August 25, 2008
Due to last year's drought and recent dry conditions in parts of Minnesota, the state's Extension service is again warning horse owners that hoary alyssum could become a problem for their animals. Hoary alyssum is a perennial weed... Read More
August 15, 2008
General management topics were discussed at the 2007 AAEP convention: poisoning, dentistry, acupuncture & more... Read More
August 14, 2008
The University of Wyoming's College of Agriculture, in collaboration with two state agencies, has published a report on water quality as it pertains to the health of livestock and wildlife.
"The target audience is anyone with an interest in... Read More
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
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Q. Is it dangerous for my horse to graze near areas with black walnut trees and walk through fallen walnuts?