Find the right cattle parasiticide for your herd.

When it comes to controlling parasites, choosing the right product can help you get the most from your herd. That’s why Merck Animal Health offers a variety of options, available in a variety of formulations.

Browse the complete Merck Animal Health parasite control lineup

DOUBLE BARREL® VP INSECTICIDE EAR TAGS

Up to five months’ control of horn flies and face flies using two tags per head on beef and non-lactating dairy cattle and calves.

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SYNERGIZED DELICE® POUR-ON INSECTICIDE

Pour-on insecticide to control a wide range of lice, flies and mosquitoes for cattle, sheep, and their premises.

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ULTRA BOSS®

A broad-spectrum pour-on insecticide for horn flies, face flies and lice for dairy cattle, beef cattle and calves, sheep, horses and goats.

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PANACUR® SUSPENSION 10% (fenbendazole)

Cattle dewormer for the removal and control of lungworms, stomach worms, and intestinal worms.

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SAFE-GUARD® 20% PROTEIN BLOCK (fenbendazole)

For the removal and control of lungworms, stomach worms, and intestinal worms in cattle.

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SAFE-GUARD® ENPROAL® MOLASSES BLOCK (fenbendazole)

For the removal and control of lungworms, stomach worms, and intestinal worms in cattle.

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SAFE-GUARD® SUSPENSION 10% (fenbendazole)

For use in beef, dairy cattle, and goats as an aid in the removal and control of lungworms, stomach worms, and intestinal worms.

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ULTRA SABER®

A pour-on insecticide for season long control of horn flies and lice on beef cattle and calves.

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Important Safety Information

CATTLE: Do not use in beef calves less than 2 months old, dairy calves and veal calves. A withdrawal period has not been established for this product in pre-ruminating calves. Additionally, the following meat withdrawal and milk discard times apply:

Safe-Guard/Panacur Suspension: Cattle must not be slaughtered within 8 days following last treatment. For dairy cattle, the milk discard time is 48 hours. Do not use in beef calves less than 2 months old, dairy calves and veal calves. A withdrawal period has not been established for this product in pre-ruminating calves. Do not use in dairy cattle at 10 mg/kg.

Safe-Guard Suspension: Cattle must not be slaughtered for 8 days. For dairy cattle, the milk discard time is 48 hours.
Safe-Guard ENPROAL Type C Medicated Block: Cattle must not be slaughtered for 11 days. For use in beef cattle only.
Safe-Guard 20% Protein Type C Medicated Block: Cattle must not be slaughtered for 16 days. For use in beef cattle only.
Safe-Guard Type A and other medicated feed products (pellets, cubes, free-choice mineral, or free-choice liquid): Cattle must not be slaughtered for 13 days. For dairy cattle, the milk discard time is 60 hours.