Deworming & Internal Parasites

Article

Tapeworm Treatment Time

August 15, 2005

Tapeworms (Anoplocephala perfoliata) are the only major variety of cestode, or flatworm, to infect horses. Recent studies have shown they are more plentiful in horses than previously thought and have described the harm they can do.... Read More

Article

Killing Resistant Parasites

August 01, 2005

2005 EQUINE SCIENCE SOCIETY SYMPOSIUM, TUCSON, ARIZ., MAY 31-JUNE 3

"Parasite resistance has emerged as a dilemma in the livestock industry as many classes of parasites are becoming resistant to dewormers," began Meghan... Read More

Article

Triad Specialty Products Licenses Feed-Through Fly Control Product to Pfizer

April 12, 2005

Piedmont Pharmaceuticals' wholly owned company Triad Specialty Products announced on April 7 that it has licensed its new equine feed-through fly control product to Pfizer Animal Health. Triad developed the product and received regulatory... Read More

Article

Fecal Egg Count Reduction Test Still the Gold Standard for Detecting Anthelmintic Resistance

April 01, 2005

Swedish veterinarians recently determined that the larval development assay (LDA, a fecal test) is not a reliable alternative to the fecal egg count reduction test (FECRT) in measuring anthelmintic (dewormer) resistance of strongyles in the... Read More

Article

GI Disease in Foals

February 01, 2005

Despite advances in veterinary medicine, the first few weeks of a foal's life can still be risky. Many health problems can arise, including myriad gastrointestinal (GI) disorders that can quickly drain a youngster of health, vigor, and sometimes... Read More

Article

Lice on Horses

February 01, 2005

Horses occasionally get lice, and a horse owner needs to know what to look for and how to treat these irritating parasites. Bill Clymer, PhD, of Amarillo, Texas (now a livestock parasitologist on the professional services staff of Fort Dodge... Read More

Article

Parasite Control Programs for Mature Horses

December 01, 2004

EDITOR'S NOTE: This is the final installment in a 12-part series on internal parasites of horses.

In last month's article, we discussed certain parasites that are found almost exclusively in horses less than two years of... Read More

Article

Age-Related Parasites: Scourges of Foals and Young Horses

November 01, 2004

Editor's Note: This is part eleven of a 12-part series on internal parasites of horses.

BY KAREN BRIGGS, WITH CRAIG REINEMEYER, DVM, PHD; DENNIS FRENCH, DVM, MS, DIPL. ABVP; AND RAY KAPLAN, DVM, PHD... Read More

Article

Feed Through Fly Control Options

October 20, 2004

Veterinarians and drug companies agree that feed-through fly control for horses--along with proper land and stable management--can keep barn fly populations under control. Fly control management is a serious problem facing horse farms of all... Read More

Article

Equimax Receives FDA Approval for Pregnant and Nursing Mares

October 01, 2004

The broad-spectrum dewormer Equimax (also labeled for tapeworms) recently received FDA approval for safety in pregnant and nursing mares. A French study confirmed the safety of ivermectin/praziquantel--the active ingredients in Equimax--for this... Read More

Article

Parasite Control Without--or Along With--Chemicals

October 01, 2004

EDITOR'S NOTE

This is part ten of a 12-part series on internal parasites of horses.

Our horses are lucky to live in an age when modern deworming drugs can pretty much rid them of parasites. They're living longer an... Read More

Article

Horse Care in the Fall

September 28, 2004

Fall deworming is important; winter is usually when internal parasites do the most damage and rob the horse of vital nutrients. By fall the worm eggs and larvae eaten during spring and summer have matured and are living in the digestive tract unless ... Read More

Article

Times Are a-Changin'

September 01, 2004

There are many of us old enough to remember nasogastric tube deworming of our horses. The vet would show up in his truck, haul out the buckets, pump, and hose, and we'd line up to twitch the horses and fill their stomachs full of whatever that... Read More

Article

Resistant Worms: Do Your Horses Have Them?

September 01, 2004

EDITOR'S NOTE: This is part nine of a 12-part series on internal parasites of horses.

Most people assume that when they administer a tube of dewormer to a horse, the drug is effectively killing worms. The drug must... Read More

Article

Drugs for the Deworming War

August 01, 2004

How do you choose a dewormer when you're presented with a bewildering array of product types? ... Read More

Article

Parasite Primer Part 7: Parasites in the Environment

July 01, 2004

EDITOR'S NOTE: This is part seven of a 12-part series on internal parasites of horses.

Back in January, in our first installment of this series, we described what makes a parasite different from other kinds of infectiou... Read More

Article

Parasite Primer: Examining the Evidence

June 01, 2004

How do you really know if your worm control program is working? If your horses are looking good, are they doin... Read More

Article

Bots and Beyond: Little-Known Parasite Enemies

May 01, 2004

Editor's note: This is part five of a 12-part series on internal parasites of horses.

When it comes to parasites, worms aren't your horse's only worry. Although nematodes and cestodes (or more colloquially, roundworms and... Read More

Article

Drug-Resistant Parasites

May 01, 2004

When a weanling on a North Carolina breeding farm was diagnosed with larval cyathostominosis, Dianne Little, BVSc, MRCVS, equine surgery resident and PhD candidate in the Department of Clinical Sciences in North Carolina State University's (NCSU... Read More

Article

Million Dollar Jury Award in Equitrol Lawsuit; Farnam Plans Appeal

April 14, 2004

(Updated Story) A jury awarded $1,007,500 to plaintiffs who alleged in a lawsuit that Farnam's Equitrol, a feed-through fly control product, was defectively designed and caused harm to their Thoroughbred and Warmblood sport horses.... Read More

Article

Equitrol Lawsuit

April 07, 2004

A jury has returned a verdict of $1,007,500 to plaintiffs alleging in a lawsuit that Farnam's product Equitrol, a feed-through fly control product, was defectively designed and caused harm to their horses; Farnam has countered with a press... Read More

Article

Strongyles: The Worst of the Worms

April 01, 2004

Ever since the battle against internal parasites began, researchers, veterinarians, and horse owners have recognized a common enemy--strongyles, sometimes called bloodworms (or, in the United Kingdom, redworms). The largest and most significant... Read More

Article

Ivermectin Resistance in Foals

April 01, 2004

On many breeding farms, Parascaris equorum (roundworms) and other intestinal parasites in young foals are now controlled with one class of dewormer. This has become common because of the belief that certain drugs, like ivermectin, are... Read More

Article

New Dewormer Targets Tapeworms and Encysted Small Strongyles

March 01, 2004

Farnam Horse Products has released ComboCare, a new over-the-counter dewormer that kills ascarids, tapeworms, small strongyles (including the encysted stages), and bots.

Research suggests that more than 50% of U.S. horses have been exposed... Read More

Article

Ascarids: A Growing Problem

March 01, 2004

Editor's Note: This is part 3 in a 12-part series on internal parasites of horses.

In the world of internal parasites, ascarids get no respect. Unlike strongyles, they aren't a high-drama threat to your horse's health, and they... Read More