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Cattle Wormers (Cattle Dewormers)

Ensure your cattle's health with our selection of quality dewormers.

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Injectable 1% Ivermectin Cattle & Swine Dewormer

Huvepharma
$39.99 USD - $87.79 USD $39.99 USD - $79.99 USD
$0.16$0.80 / mL

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1% Ivermectin Injectable Cattle & Swine Wormer This product is intended for animals only. Generic Ivermectin Dewormer (1% Ivermectin Inje...

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Noromectin Injectable Cattle & Swine Wormer (1% Ivermectin)

Norbrook Labs
$45.99 USD - $89.99 USD $35.99 USD - $83.95 USD
$0.17$0.72 / mL

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Noromectin Injection Noromectin (ivermectin) Injection is an injectable parasiticide used for the treatment and control of internal and external pa...

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Safe-Guard Multi-Species Medicated Dewormer Pellets

Safe-Guard
$9.99 USD - $129.99 USD $9.99 USD - $109.99 USD
$4.40$9.99 / lb

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Safe-Guard Multi-Species Dewormer Safe-Guard Multi-Species Dewormer is a versatile, broad-spectrum pelleted dewormer formulated with 0.5% fenbendaz...

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Dectomax 1% Injectable Wormer & Injectable Syringe for Cattle and Swine

Zoetis
$19.99 USD - $195.49 USD $19.99 USD - $183.99 USD
$0.04$0.80 / mL

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Dectomax Injectable Wormer Contains 1% injectable solution for cattle and swine. An SQ or IM injectable wormer indicated for the treatment and cont...

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Durvet 1% Ivermectin Injection, Cattle and Swine Dewormer

Durvet Inc
$45.99 USD $45.99 USD
$0.92 / mL

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Durvet 1% Ivermectin Injection, 50 mL A parasiticide for the treatment and control of internal and external parasites in cattle and swine. Indic...

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Bimectin Injection (1%) Cattle & Swine Dewormer

Bimeda
$65.99 USD - $137.99 USD $59.99 USD - $131.99 USD

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Bimectin Injectable 1% Ivermectin. This product is intended for animals only. Bimectin Injectable is used for the control of internal and external ...

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IVOMEC Injection (1%) Wormer for Cattle & Swine

Merial
$20.00 USD - $241.99 USD $19.99 USD - $241.99 USD
$0.04$0.48 / mL

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IVOMEC Injection (1% Ivermectin) for Cattle & Swine IVOMEC Injection (1% Ivermectin Sterile Solution) is an injectable dewormer for the control...

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Deworming Cattle with the best Cattle Wormers

“Strategic deworming” refers to the timing and approach used to deworm your herd of cattle, and it’s based on climate and the type of parasite challenge you have.

It is recommended to deworm cows in the fall after they’re removed from pasture, and then again in the spring about six weeks after turn-out. Calves usually only need it done in the spring or early summer, depending on your climate. While you’re at it, go ahead and take care of other tasks that require handling, such as tagging and vaccinations.

If you are wondering when to deworm in the spring, the perfect time is when the grass starts to turn green in your area. Broad-spectrum products are great for controlling both external and internal parasites. Make sure you follow the directions on the label and ask a vet if you need more information.

Look after your cattle's health and well-being with more collections from our catalog including prescription medicine, cattle vaccines, hoof care supplies, and many more, all at amazing prices.

Can I purchase Cattle Wormers and dewormers online?

Yes, just add it to your cart online. Free shipping may apply. While you're at it, we recommend checking out some of our related offers including our long range cattle wormer, pour-on wormers like Bimectin pour-on dewormer, and our safeguard cattle dewormer.

How long does it take for a cattle dewormer to work?

Cattle dewormers typically begin working within 24 hours of administration, though the full effect generally takes a few days to about two weeks depending on the product used. Macrocyclic lactones (like ivermectin or doramectin) and benzimidazoles (like fenbendazole) work at different speeds and target different parasite life stages, so the timeline can vary.

How often should cattle be dewormed?

Most cattle operations deworm at least once or twice a year, though the ideal schedule depends on climate, stocking density, age of cattle, and parasite pressure in the region. Calves and yearlings typically require more frequent treatment than mature cows, as adult cattle develop some natural immunity over time. Veterinarians also recommend fecal egg counts to guide treatment decisions and help manage anthelmintic resistance.

When do you deworm cattle?

The best times to deworm cattle generally fall around key management events and seasonal transitions. The most effective approach is working with a veterinarian to build a program based on your specific region, parasite pressure, and fecal egg count results rather than treating on a fixed calendar schedule alone.

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