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Valcor™ makes it easy to be tough on tough worms

Valcor (doramectin and levamisole injection), a dual-action, single-dose cattle dewormer that delivers unmatched convenience.

Achieve effective parasite control with one product, not two

Save time with one cattle dewormer featuring two active ingredients that attack both internal and external parasites1. Valcor™ is a prescription anthelmintic offering broad-spectrum control with breakthrough convenience.

How Valcor works

One product instead of two
The unique combination of doramectin (a macrocyclic lactone) and levamisole (an imidazothiazole) provides true broad-spectrum efficacy for superior control of internal and external parasites when compared with a product containing ivermectin.1
Dual-killing action
The dual ingredients in Valcor attack invaders with separate modes of action, ultimately killing different parasites, including the large stomach worm, Cooperia spp (a common roundworm), Ostertagia ostertagi and more.
The power of two
The advantage of Valcor is the additive effect from combining doramectin and levamisole — two active ingredients with different modes of action in susceptible parasites.2,3

Valcor results

Superior efficacy produced greater weight gain

Valcor logo over black and white cow image
Valcor logo over black and white cow image

Gains in heifers increased during study

In a study of more than 1,500 head of cattle, heifers treated for parasites with Valcor™ demonstrated increased weight gain due to improved parasite control control as compared to treatment with ivermectin alone.1

  • When comparing heifers treated with VALCOR to heifers treated with ivermectin, the heifers receiving VALCOR showed increased total weight gain by 9.3 lb, over the 56-day study.1
  • Heifers treated with VALCOR (n=773) had a fecal egg count reduction test of 99.9%, compared with 85% for heifers treated with ivermectin (n=775).

Efficacy in the field

In a multisite study with cattle naturally-infected by parasites, Valcor effectively reduced fecal egg counts by 99.9 to 100% when compared to a negative control.4-6

Valcor logo over black and white cow image

Valcor benefits

Reliable dosing and convenience

black cows standing in gated field

More reliable dosing

Valcor is administered by injection and has more reliable dosing than pour-on or oral drench, which can lead to greater efficacy.7
Cows in green pasture

Save time and labor

For veterinarians recommending the use of two active ingredients concurrently, Valcor offers improved labor efficiency and reduced processing time containing the ability to administer treatment with two active ingredients in one effective product.

Demonstrated safety

cow standing in grass field
Effective control, low risk
Valcor provides effective control of gastrointestinal infections with low risk to the safety of the animal.
cows standing in field during sunset
Safe in calves and heifers
Studies demonstrate the combination of doramectin and levamisole was well-tolerated in reproducing females and young calves, even at three times concentration in calves as young as 3 months old.
cows standing is grassy field during sunrise
No impact on reproduction
Valcor had no serious impact on reproduction when given either at female prebreeding, at the time of folliculogenesis, at implantation, during the first trimester or at any pregnancy stage. Safety studies were not conducted in breeding age bulls.
Valcor Product

Tough on tough worms, easy on cattle producers

Valcor Product
Get more details about the first prescription cattle dewormer with two active ingredients in one product. See why it’s never been easier to get tough.
Valcor Product

Resources

Valcor tri-fold brochure
A comprehensive overview of Valcor.
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Research Overview: Dual-Action Valcor™ for Comprehensive Parasite Management in Cattle
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Comparative Parasite Control Efficacy of Valcor™ vs Ivermectin in Grower/Backgrounding Calves

Important Safety Information
Do not treat cattle with Valcor within 15 days of slaughter. Not for use in female dairy cattle 20 months of age or older, including dry dairy cows; not for use in beef calves less than 2 months of age, dairy calves, and veal calves. Safety has not been evaluated in breeding bulls. Use with caution in cattle treated with cholinesterase inhibitors. This product is likely to cause injection site swelling; tissue damage (including granulomas and necrosis) may occur. These reactions have resolved without treatment. See full Prescribing Information for Valcor.

References
1. Data on file. Study Report No. A131R-US-21-940, Zoetis Inc.
2. American Consortium for Small Ruminant Parasite Control (ACSRPC). Combination Dewormers: The Time is Now. https://www.wormx.info/combinations. Accessed March 10, 2023.
3. Lanusse C, Canton C, Virkel G, Alvarez L, Costa-Junior L, Lifschitz A. Strategies to Optimize the Efficacy of Anthelmintic Drugs in Ruminants. Trends Parasitol. 2018;34(8):664-682.
4. Data on file. Study Report No. A131C-US-16-504. Zoetis Inc.
5. Data on file. Study Report No. A131C-US-16-538. Zoetis Inc.
6. Data on file. Study Report No. A136C-US-17-554. Zoetis Inc.
7. Leathwick DM, Luo D. Managing anthelmintic resistance-Variability in the dose of drug reaching the target worms influences selection for resistance. Vet Parasitol. 2017;243:29-35.