ADVANCE DEWORMING PRODUCTS

Eprinex, a pour on dewormer that can kill 39 species and stages of parasites.

Eprinex® (eprinomectin) — By Merial

Kills 39 species and stages of parasites — more than any other brand1
  • Same active ingredient as LongRange® (eprinomectin) in a shorter-acting pour-on
  • Convenient for processing cattle on arrival
  • Nonflammable, weatherproof formula works even on long, wet hair coats
  • No milk withholding or meat withdrawal
  • Only product that controls both Psoroptes and Sarcoptes mange mites as well as lice and horn flies
  • Safe for pregnant, lactating and dry cows; calves* and heifers; steers and bulls

*Calves not intended for veal.
1Based on FOI summaries and label claims.

Learn more at Eprinex.com


Ivomec, a pour on dewormer with broad spectrum of protection, efficacy and duration.

Ivomec® Pour-On (ivermectin topical solution) — By Merial

Broad spectrum of protection, efficacy and duration
  • Reliable control of 33 species and stages of internal and external parasites
  • Economical fly and lice control
  • Convenient pour-on formulation
  • Excellent choice in late fall for cattle being retained over winter

IVOMEC Pour-On: RESIDUE WARNINGS: Cattle must not be treated within 48 days of slaughter for human consumption. Because a withdrawal time in milk has not been established, do not use in female dairy cattle of breeding age. A withdrawal period has not been established for this product in pre-ruminating calves. Do not use in calves to be processed for veal. Do not use in other animal species not on the label as severe adverse reactions, including fatalities in dogs, may result.

Learn more about Ivomec® Pour-On (PDF)


LongRange, an injection with extended release parasite control.

LongRange® (eprinomectin) — By Merial

Extended release parasite control with THERAPHASE formulation
  • Up to 150 days of activity in a single dose2,3
  • Perfect for cows, heifers, calves and steers on grass more than 60 days
  • Excellent choice for spring treatment or when changing pastures
  • Delivers the benefits of a multiple application strategic deworming program in a single, easy‑to‑give injection

2Dependent on parasite species as referenced in FOI summary and LONGRANGE product label.
3LONGRANGE product label.

LONGRANGE: User Safety Warnings: Not for Use in Humans. Keep this and all drugs out of the reach of children. Not for use in cattle managed in feedlots or under intensive rotational grazing. Withdrawal Periods and Residue Warnings: Animals intended for human consumption must not be slaughtered within 48 days of the last treatment. Not for intravenous or intramuscular use. Do not overdose. This drug product is not approved for use in female dairy cattle 20 months of age or older, including dry dairy cows. Use in these cattle may cause drug residues in milk and/or in calves born to these cows. A withdrawal period has not been established for pre-ruminating calves. Do not use in calves to be processed for veal. Animal Safety Warnings and Precautions: The product is likely to cause tissue damage at the site of injection, including possible granulomas and necrosis. These reactions have disappeared without treatment. Local tissue reaction may result in trim loss of edible tissue at slaughter. CAUTION: Federal law restricts this drug to use by or on the order of a licensed veterinarian.

Learn more at TheLongRangeLook.com


Synanthic, a solution with broad-spectrum control of lungworms, roundworms and tapeworms.

Synanthic® (oxfendazole) — By Boehringer Ingelheim

Broad-spectrum control of lungworms, roundworms and tapeworms
  • Fast, effective control against major intestinal parasites including L4, inhibited L4 Ostertagia ostertagi and tapeworms
  • Economical low-dose drench
  • Excellent choice for processing cattle on arrival

SYNANTHIC IMPORTANT SAFETY INFORMATION: Residue Warnings: Cattle must not be slaughtered until 7 days after treatment. Because a withdrawal time in milk has not been established, do not use in female dairy cattle of breeding age. Safety: There are no contraindications for the use of SYNANTHIC Bovine Dewormer Suspension, 22.5%, in cattle.

Learn more at Synanthic.com

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