Recent News for Metabolic Problems

Article

Medicinal Control of Tying-Up

December 01, 2004

Dantrolene sodium (Dantrium) is used to control exertional rhabdomyolysis (ER, also called tying-up) in horses. Diagnosis of ER is typically confirmed by a finding of increased serum creatine kinase (CK), which is often greater than 1,000 IU at... Read More

Article

Don't Bypass a Veterinarian

November 01, 2004

I have an older Tennessee Walking Horse with Cushing's disease. She has been on Cipro for some time. She foundered long before I got her, but it has become chronic. I have been able to maintain her to a point, but she is losing weight and I have a... Read More

Article

Feeding the Cushingoid Horse

October 01, 2004

Can you provide more information on feeding the Cushing's horse? My dressage horse has Cushing's and is on cyproheptadine and Thyro-L, grass hay, and a quarter-cup of 10% sweet feed. I am worried he is not getting the essential... Read More

Article

Equine Metabolic Syndrome

October 01, 2004

Equine metabolic syndrome (EMS), Cushing's disease, insulin resistance (IR), glucose intolerance, and glycemic indices of feeds have gotten a lot of press lately. The terms are taken from the human literature, where they have very specific... Read More

Article

Hyperkalemic Periodic Paralysis and Colic

September 01, 2004

Q: I have a 4-year-old Quarter Horse gelding who is HYPP N/H positive. This horse is very gassy and tends to colic once a month, which causes a minor HYPP attack. I have tried everything, from changing his diet (no grain) to jus... Read More

Article

New Method of Counting Carbs

August 19, 2004

A new carbohydrate analysis method developed for the National Aeronautics and Space Administration (NASA) might be able to help researchers answer some specific questions about equine forages. Until now, it has been difficult for forage... Read More

Article

Good/Bad Effects of Antioxidants

July 01, 2004

In a society that is trying to slow the aging process, free radicals and antioxidants are terms that are regularly tossed around. One might not realize their importance in horses, but researchers continue to pursue the details of how and why the... Read More

Article

Fatal Genetic Quarter Horse Disease Identified

June 09, 2004

Glycogen branching enzyme deficiency in Quarter Horses might cause unexplained stillbirths/deaths of foals.... Read More

Article

Trilostane for Cushing's Disease

June 01, 2004

Equine Cushing's syndrome (ECS), or hyperadrenocorticism, is caused by an excess of cortisol. This syndrome produces signs including excessive hair growth (hirsutism), lethargy, fat redistribution under the skin, chronic/relapsing laminitis, and... Read More

Article

Feeding HYPP Horses

May 01, 2004

Hyperkalemic periodic paralysis (HYPP) horses need careful dietary management to reduce attacks.... Read More

Article

Cushing's Disease and Laminitis--Not Just Old Horses

April 01, 2004

Researchers recently revealed that Cushing's disease is a major contributing factor to laminitis among horses in a primary care veterinary practice, and that the median age of laminitic Cushing's horses was 15 1/2 years--disproving tha... Read More

Article

Obesity and Cushing's Disease

April 01, 2004

There is speculation that metabolic syndrome could be a factor in horses which develop Cushing's disease. ... Read More

Article

Diet: When Horses Need Less Carbs

April 01, 2004

Research suggests some horses (growing foals, laminitic horses, etc.) could do well on low-glycemic diets. ... Read More

Article

AQHA Board of Directors Votes on Key Rule Changes at Convention

March 11, 2004

The American Quarter Horse Association Board of Directors voted Tuesday on the recommendations of the AQHA standing committees as approved in the general membership meeting. The following is the final results of the vote regarding hyperkalemic... Read More

Article

Diseases of Dietary Origin

March 01, 2004

The axiom, "You are what you eat" does have relevance to horses with regard to health and well-being. Although horses have evolved to eat plant material, not all plants are safe to eat. Some food substances directly exert toxic effects, while... Read More

Article

The Future of Horses with HYPP

December 30, 2003

Letter to the Editor:

This letter must begin by saying how proud I am of a man whom I have never met.  His name is Steve Stevens of Houston, TX, the current president of the American Quarter Horse Association (AQHA).  Mr.... Read More

Article

Dietary Clues to Tying-Up

June 20, 2003

Recurrent exertional rhabdomyolysis (RER, a type of tying-up) is an inherited disorder in Thoroughbreds. Research suggests that RER involves an abnormality in the regulation of calcium in muscle cells. High-grain diets have been implicated as... Read More

Article

Equine Metabolic Syndrome and Laminitis

May 01, 2003

Of particular interest to horse owners was Johnson's black-and-white linkage of the newly termed EMS condition with laminitis and obesity. "Obesity-associated insulin refractory state" was Johnson's precise description of "Equine Metabolic Syndrome" ... Read More

Article

Speed Limit

March 05, 2003

The racing Thoroughbred is trapped between a rock and a hard place. The rock is speed, which evolved slowly by natural selection for 50 million years, then rapidly by human hand the last 500. The hard place is where we find our ward today, beset... Read More

Article

When Your Horse's Muscles Ache

March 01, 2003

Equine muscle injuries are often elusive, leading to frustration for the rider and a challenging diagnosis. ... Read More

Article

AAEP Convention: Peripheral Cushing's

March 01, 2003

Peripheral Cushing's syndrome (PCS) is a recently named problem seen in middle-aged horses and ponies with obesity-associated laminitis. These horses tend to accumulate fat in the crest of the neck, over the rump, and in the sheath of males. It... Read More

Article

AAEP 2002: Vitex Agnus Castus Extract for Treatment of Equine Cushing's Syndrome

February 21, 2003

Vitex agnus castus extract (Chaste Berry) has been reputed to have therapeutic efficacy in the treatment of Equine Cushing’s syndrome. However, results of a study at the University of Pennsylvania’s New Bolton Center repudiated these... Read More

Article

Diagnosis and Treatment of Rhabdomyolysis in Foals

February 13, 2003

We hear a lot about a horse experiencing rhabdomyolysis (tying-up) during or after exercise. However, foals are also susceptible to muscle damage. Stephanie Valberg, DVM, PhD, of the University of Minnesota, presented "A Review of the Diagnosis... Read More

Article

AAEP 2002: Thyroid Function in Horses with Peripheral Cushing's Syndrome

January 07, 2003

Peripheral Cushing's syndrome (PCS) is seen in middle-aged horses with obesity-associated laminitis. These horses tend to accumulate fat in the crest of the neck, over the rump, and in the sheath of male horses. Researchers are trying to... Read More

Article

Locked Into Place

August 01, 2002

Much has been learned about exertional rhabdomyolysis (tying-up) in recent years, but unfortunately some of that knowledge has been troubling. For example, at least one newly recognized cause of tying-up in foals has, in identified cases, always... Read More