Martin Krarup Nielsen, DVM, PhD, Dipl. ACVM

Martin Krarup Nielsen, DVM, PhD, Dipl. ACVM, is an associate professor of parasitology and the Schlaikjer professor in equine infectious disease at the University of Kentucky's Maxwell H. Gluck Equine Research Center, in Lexington. His research focus includes parasite diagnostic measures and drug resistance. Known as a foremost expert in the field of equine parasites, Nielsen chaired the American Association of Equine Practitioners’ (AAEP) parasite control task force, which produced the “AAEP Parasite Control Guidelines.”

Articles by: Martin Krarup Nielsen, DVM, PhD, Dipl. ACVM

Diatomaceous Earth, deworming horses

Deworming Horses: Dealing With Differing Opinions

A reader trying to adhere to current deworming recommendations wonders how to manage her horse who is boarded at a farm that still practices rotational deworming. An equine parasitologist weighs in.

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Tapeworms in Horses

Tapeworms in Horses

Some horses are more susceptible to this common parasite than others. Here’s what you need to know.

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Equine Parasite Research Crowdfunding Project Launched

A New Breed of Funding

Read more about how Dr. Martin Nielsen helped launch the first crowdfunding project for equine research.

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ottb; pasture associated heaves

Deworming Dilemma

An owner seeks advice about deworming her horse that lives alone, travels to a public barn for exercise, and had a fecal sample that did not reveal any parasite eggs.

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What is Your Horse's Fecal Egg Count Telling You?

Deworming: Less is More

Last spring my veterinarian requested her clients stop deworming their horses. We now do no deworming and have her perform two fecal egg counts per year–one in the spring and one in the fall. Is this program of not deworming okay for my horses?

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