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Image: Magnified spore
Image: Three dimensional network forming the trap
Image: Freshly trapped worm larva
Image: Nematode larva trapped for 48 hours

What is Duddingtonia flagrans?

Duddingtonia flagrans (abbreviated to D. flagrans) is a natural strain of fungus isolated from the environment and found around the world.

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Online webinar recording from IAHP's CEO: Chris Lawlor

A webinar presentation about BioWorma®, a natural biological control that captures and consumes infective worm larvae. Presenter: Chris Lawlor - CEO of International Animal Health, the Australian company that developed, manufactures, and markets BioWorma® worldwide.
>>> View and download the Webinar slide deck

Visit BioWorma
 

Did you know?

Duddingtonia flagrans reduces the number of gastrointestinal nematodes (GIN) larvae on pasture, which is significantly greater than a chemical wormer can do. (overall reduction averages below):

 
 

84%

HORSES

81%

CATTLE

86%

GOATS

68%

SHEEP
 




*Studies conducted by International Animal Health Products Pty Ltd
 
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Fundamental change

The advent of a non-chemical biological control of parasites in grazing animals ushers in a fundamentally different approach to the production of livestock worldwide. We'll keep you informed.

Facts and information

Duddingtonia flagrans is a nematophagous fungus, the term nematophagous is Greek meaning "worm-eating".

About Duddingtonia flagrans

Duddingtonia flagrans (abbreviated to D. flagrans) is a natural strain of fungus found around the world.

CATEGORY HERE
Chemical anthelmintics and anthelmintic resistance

Animals infected with parasitic nematodes have for a long time been treated with chemicals.

CATEGORY HERE
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Non-chemical biological control of worms in grazing animals

Duddingtonia flagrans is a non-chemical biological control for the infective stages of parasitic GIN of grazing animals, which acts by substantially reducing the numbers of infective worm larvae (including multi-resistant larvae) emerging from manure onto pasture.

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“D. flagrans acts in the faeces of the treated animals and is not absorbed into the systemic circulation; accordingly, no systemic toxicity due to the fungus is expected. This was confirmed through a series of toxicology studies in laboratory animals and long-term high-dose safety studies in target animals.”

Toxicological overview of D.flagrans strain IAH 1297

Using nematophagous fungi for the biological control of parasites

The use of nematophagous fungi for the biological control of nematode parasites of livestock was first investigated in a study where treatment of a pasture plot with spores of the fungi Dactylella bembicoides, Dactylella ellipsospora and Arthrobotrys oligospora reduced...

History & Background

Recent studies

Use of D. flagrans did not have any effect on soil nematodes, earthworms, soil arthropods, soil bacteria and fungi.

Published efficacy studies

Reductions of up to 90%

Reductions of up to 99%
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The effectiveness of Duddingtonia flagrans has been verified worldwide

The effectiveness of D. flagrans has been verified worldwide. Published studies have been reviewed by Knox (2003), Soder and Holden (2005), Ketzis et al. (2006), Jagla et al. (2013) and Terry (2013), and these are summarised in the linked article.

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Did you know?

It has been estimated 10% of the parasite population is within the host animal vs 90% is on the pasture.

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Stay informed with updates

We endeavour to keep you informed of all the latest information regarding developments in the effective use of Duddingtonia flagrans and it's efficacy in the treatment of parasites in grazing animals

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