BioWorma® 2KG
BioWorma® 2KG

BioWorma® 2KG

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$330.00 $0.00 /

Biological control for worms

Natural biological control to reduce infective nematode larvae within the manure of grazing animals

  • An in feed non-chemical biological control for the free-living stages of parasitic gastrointestinal nematodes of grazing animals
  • Acts by substantially reducing the numbers of infective worm larvae emerging from manure onto pasture (including chemical/multi-resistant larvae)
  • Biological control with Duddingtonia flagrans is applicable to the larvae of Horses, Cattle, Sheep, Goats and other grazing animals including Deer, Alpacas and Zoo animals
  • A natural fungus that is safe, non-toxic and residue-free
  • It has no negative effects on non-target soil nematodes, dung beetles, earthworms, microarthropods, soil bacteria and fungi.


Grey to brown free flowing fine meal.

Active Constituents:

Each gram contains: a minimum of 500,000 chlamydospores of Duddingtonia flagrans IAH 1297.


BioWorma® contains the spores of Duddingtonia flagrans, a natural fungus found in soil and on pasture. It is a non-chemical biological control for the free-living stages of parasitic gastrointestinal nematodes of grazing animals, which acts by substantially reducing the numbers of infective worm larvae (including chemical/multi-resistant larvae) emerging from manure onto pasture. When fed to animals, the thick-walled spores remain inert (having no effect within the host animal) and resist digestion, passing through into the manure. There they germinate and form trapping organs that capture, paralyse and consume emerging worm larvae (including chemical/multi-resistant larvae), interrupting the crucial re-infestation stage of the parasites’ life cycle, thus reducing the amount of re-infection on the pasture.

The spores are safe, non-toxic and residue-free. There are no negative effects on non-target soil nematodes, earthworms, microarthropods etc.

Biological control with Duddingtonia flagrans is applicable to the larvae of: SEE LABEL FOR FULL LIST

Sheep & Goats: Barber’s Pole Worm or Wire Worm (Haemonchus spp.), Black Scour Worm or Hair Worm (Trichostrongylus spp.), Brown Stomach Worm (Teladosagia (Ostertagia) spp.), Nodule Worm (Oesophagostomum spp.), Thin-necked Intestinal Worm (Nematodirus spp.) and Hookworm (Bunostomum spp).

Cattle: Barber’s Pole Worm or Wire Worm (Haemonchus spp.), Brown Stomach Worm (Ostertagia spp.), Black Scour Worm or Hair Worm (Trichostrongylus spp.), Hookworm (Bunostomum spp.), Intestinal Worm (Cooperia spp.), Thin-necked Intestinal Worm (Nematodirus spp.), Nodule Worm (Oesophagostomum spp.).

Horses: Large strongyles (large red worms), including Strongylus spp., Triodontophorus spp. and Oesophagodontus spp., small strongyles (small red worms or cyathostomes), including Cyathostomum spp., Cylicocyclus spp. and Cylicostephanus spp., Stomach Hair Worm (Trichostrongylus axei), Ascarids (Parascaris equorum), Threadworms (Strongyloides westeri) and Pinworms (Oxyuris equi).

Other grazing animals: including Deer, Alpacas and zoo animals

Dosage and administration:

Abridged see DIRECTIONS FOR USE on label and read carefully

  1. Treat animals with a suitable chemical wormer.
  2. Move treated animals onto low worm pasture (ideally not grazed by the same animal species for a minimum 6 weeks).
  3. Commence daily use of BioWorma® to minimise pasture infectivity and maintain the animal’s low worm status.
  4. Thoroughly mix BioWorma® with feed or feed supplements. BioWorma® will begin to work immediately within the manure.
  5. Recommended for strategic use during periods when weather conditions are conducive to larval development and transmission on pasture at temperatures above 5° Celsius (40° Fahrenheit) throughout the year. Use in conjunction with a recommended worm management strategy program for your area.
Bodyweight* (kg) 25 50 100 200 300 400 500**
Dosage (grams per head per day) 1.5 3 6 12 18 24 30

*Dose according to heaviest animal in the group.

**Use additional 6 g for each 100 kg thereafter

Free shipping will automatically be applied to all domestic orders over $100. Simply add over $100 to your cart and you will see the discount while checking out.

Shipping is free for orders over $100. For all other domestic orders shipping is $9.

We typically ship orders out within 1-2 business days of ordering. From there shipping may take 3-5 business days depending on where in the country you are and if you live rurally.

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