Recent News for Nutrition-Related Problems

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Polo Association Releases Statement on Pony Deaths

April 20, 2009

The United States Polo Association has released the following statement:

"The United States Polo Association is participating in an investigation to determine the cause of death of over 20 polo ponies that died prior to a polo matc... Read More

Article

Michigan Extension Offers New Toxic Plant Bulletins

April 15, 2009

Horse owners do what they can to make sure their charges get healthy feed. But how do they know that the plants growing in their pastures are safe for equine consumption, and how do they grow good forage? Find out which plants can threaten horse... Read More

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Toxin Test Might Identify Horses with Diarrhea that Could be Debilitating

April 14, 2009

Early identification of a toxin produced by the diarrhea-causing bacterium Clostridium difficile, in the feces of horses with diarrhea might help identify which horses are at risk for developing serious disease, report... Read More

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Cutting Costs: Ditch Supplements That Are Unnecessary

April 13, 2009

In efforts to save money around the barn, researchers recommend horse owners carefully consider the supplements they're adding to their horses' feed. The researchers behind the 2008 study, "Read More

Article

Ingested Wires Cause Colic, Adhesions

April 04, 2009

When ingested, small wires can wreak havoc in the equine digestive system. They might even cause different segments of the tract to fuse together, leading to painful and usually fatal consequences, according to South African and American... Read More

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Causes of Laminitis (AAEP 2008)

April 01, 2009

Progression of obesity and insulin resistance exacerbates laminitis risk. As a horse gets fatter, insulin sensitivity decreases. Insulin resistance worsens with chronic obesity, making a horse more susceptible to laminitis and less tolerant ... Read More

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Researchers Seek Reader Comments on Equine Grass Sickness

March 20, 2009

Equine grass sickness (EGS), or dysautonomia, is a disease that primarily affects pasture-grazed equids between the ages of 2 and 7 years.... Read More

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Polysaccharide Storage Myopathy (PSSM): A Genetic Diagnosis, AAEP 2008

March 13, 2009

Polysaccharide storage myopathy (PSSM) is a metabolic muscle problem found in at least 20 breeds, including Quarter Horses, Paints, Appaloosas, and drafts. An affected horse suffers bouts of exertional rhabdomyolysis (tying-up), muscle tremors... Read More

Article

Aluminum Phosphide Poisoning

March 06, 2009

Aluminum phosphide is an indoor fumigant used to kill insects in most, if not all, of the stored grains we and our horses are exposed to. Like most pesticides, it can cause major problems in unintended species when used incorrectly.... Read More

Article

Ivermectin Toxicosis

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

Article

Fifth North Carolina Horse Dies of Unknown Toxin

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

Article

Survey Finds Eventers Nutritionally Sound, but Oversupplemented

December 28, 2008

In a survey of leading three-day event riders, researchers found that the majority of riders fed their horses based on research-driven recommendations, but the number of supplements used per horse did raise some eyebrows.

During the Jersey... Read More

Article

Stable Air Quality a Breath of Fresh ... Endotoxin?

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

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Supplement Safety

December 01, 2008

Standards help to ensure, manage, and effectively monitor risk of use for products and ingredients for horses.... Read More

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North Carolina Horse Toxicity Investigation Continues

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

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Beyond the Feed Tag: Horse Feed Ingredients, Quality and Safety Issues

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

Article

Toxin Suspected in North Carolina Horse Deaths

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

Article

Feeding to Lessen Inflammation

October 31, 2008

At the Purina Equine Veterinary Conference, held Oct. 17-19 in St. Louis, Mo., Karen Davison, PhD, manager of Equine Technical Services for the Horse Business Group of Purina Mills discussed managing inflammation and oxidative stress in horses... Read More

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100 Horses Dead at Embryo Transfer Farm; Botulism Suspected

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

Article

Poisonous Plant Risk Increases as Pasture Grass Goes Dormant

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

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Polysaccharide Storage Myopathy (PSSM): Search for Underlying Causes Continues

October 06, 2008

Despite having recently identified a genetic defect that results in polysaccharide storage myopathy (PSSM) in many horses, the underlying cause of PSSM remains to be determined in others.... Read More

Article

Poisoning in Horses: Common Toxic Substances

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

Article

Genetic Mutation for Polysaccharide Storage Myopathy Widespread

September 20, 2008

Veterinary researchers from the University of Minnesota have identified a gene potentially responsible for polysaccharide storage myopathy (PSSM) in Quarter Horses and, in doing so, they uncovered a number of research leads to pursue. In a... Read More

Article

Safety of Nutritional Supplements for Horses Unknown, Researchers Say

September 14, 2008

Just because a supplement comes in fancy packaging with a tamper-resistant foil seal and promises of efficacy does not necessarily mean that it is safe for your horse.

According to the Committee on Examining the Safety of Dietary... Read More

Article

Diagnosing Insulin Resistance: Q&A with Researchers

August 28, 2008

Over the past few years researchers have described a strong association between insulin resistance and laminitis in equines. They are working now on defining standard testing protocols and interpretations to identify horses at highest risk for... Read More