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

Why Is My Previously Dewormed Yearling Pooping Parasites?

Posted by Martin Krarup Nielsen, DVM, PhD, Dipl. ACVM | Mar 19, 2021 | Article, Basic Care, Deworming & Internal Parasites, Horse Care

A reader dewormed her new yearling with the rest of her herd and was surprised by what she found the next day.

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Will Diatomaceous Earth Kill Worms in Horses?

Posted by Martin Krarup Nielsen, DVM, PhD, Dipl. ACVM | Feb 19, 2019 | Article, Basic Care, Deworming & Internal Parasites, Farm and Barn, Horse Care, Pasture & Forage Management, Pastures, Waste & Manure Management

Learn why this deworming technique doesn’t have an antiparasitic effect in horses.

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Parasite Control Recommendations for Boarded Horses

Posted by Martin Krarup Nielsen, DVM, PhD, Dipl. ACVM | Oct 10, 2018 | Article, Boarding, Deworming & Internal Parasites

Vets recommend a whole-facility-focused approach to parasite control, but what do you do when you don’t manage the farm?

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Deworming Horses: Dealing With Differing Opinions

Posted by Martin Krarup Nielsen, DVM, PhD, Dipl. ACVM | Jun 6, 2018 | Basic Care, Deworming & Internal Parasites, Horse Care

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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Why Can’t You Kill Equine Internal Parasites in the Field?

Posted by Martin Krarup Nielsen, DVM, PhD, Dipl. ACVM | Jul 19, 2017 | Article, Deworming & Internal Parasites, Farm and Barn, Pasture & Forage Management, Pastures

Are there any parasite-killing products I can apply to pastures after I rotate my horses to a different one?

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Tapeworms in Horses

Posted by Martin Krarup Nielsen, DVM, PhD, Dipl. ACVM | Jul 1, 2017 | Article, Deworming & Internal Parasites

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

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Clinical Signs of Internal Parasites in Horses

Posted by Martin Krarup Nielsen, DVM, PhD, Dipl. ACVM | Jun 21, 2017 | Basic Care, Body Condition, Deworming & Internal Parasites, Equine Parasites and Control Programs, Horse Care, Podcasts, Vital Signs & Physical Exam, Working With a Veterinarian

Dr. Martin Nielsen gives a basic overview of health issues that could indicate your horse has “worms.”

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Manure Management and Internal Parasite Control for Horses

Posted by Martin Krarup Nielsen, DVM, PhD, Dipl. ACVM | Jun 19, 2017 | Deworming & Internal Parasites, Farm and Barn, Healthy Farm Management, Horse Care, Podcasts, Waste & Manure Management

Dr. Martin Nielsen explains why composting and good manure management are imperative to internal parasite control.

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Equine Parasite Control: What’s New?

Posted by Martin Krarup Nielsen, DVM, PhD, Dipl. ACVM | Sep 30, 2016 | Media, Seminars, University of Kentucky Diagnostic Research Lecture Series, Vet On Demand, Video

Horse deworming recommendations have changed. Get up-to-date with Dr. Martin Nielsen of the University of Kentucky.

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Dewormer’s Effect on Scratches

Posted by Martin Krarup Nielsen, DVM, PhD, Dipl. ACVM | Aug 28, 2015 | Article, Deworming & Internal Parasites, Horse Care, Lower Limb, Other Skin Problems

Find out what kinds of skin parasites can cause scratches and how these pests respond to ivermectin treatment.

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