VOMEC Classic Injection is the original ivermectin injectable wormer for cattle which has been tried and trusted by farmers for over 30 years. Since 1988, more than 3000 scientific publications show ivermectin’s efficacy against internal and external parasites. Available in: 200ml, 500ml

Discovered and developed by scientists from the Merck Research Laboratories, IVOMEC contains ivermectin, a unique chemical entity. Its convenience, broad-spectrum efficacy and wide safety margin make it an excellent antiparasitic product for cattle, sheep and swine. One low-volume dose effectively controls internal and external parasites of cattle and swine and internal parasites of sheep that can impair health and productivity.


IVOMEC Injection is a ready-to-use sterile solution containing the following ingredients per mL: 10 mg ivermectin, 0.40 mL glycerol formal and propylene glycol q.s. ad 1 mL. IVOMEC Injection is formulated to deliver the recommended dose level of 200 µg ivermectin per kg of body weight in cattle and sheep when given subcutaneously at the rate of 1 mL per 50 kg. In swine, IVOMEC Injection is formulated to deliver the recommended dose level of 300 µg ivermectin per kg body weight when given subcutaneously at the rate of 1 mL per 33 kg. Studies show that IVOMEC Injection is stable for five years when stored under normal conditions.

Features & Benefits

  • Effective against internal/external parasites of cattle and sheep
    • Reduces the economic impact of parasites
    • Help maximise productivity and reproductive performance in young cattle
  • Can be used in breeding animals without affecting fertility, (but follow withdrawal period information) and all ages of animals including young lambs and calves
  • Not affected by rain, so cattle can be treated regardless of weather conditions
  • Proven to deliver better efficacy and improved growth rates versus a generic ivermectin product

Active Ingredient

Ivermectin is the first in a series of antiparasitic agents derived from the avermectin family of compounds. The avermectins are highly active, broad-spectrum antiparasitic agents isolated from fermentation of the soil organism Streptomyces avermitilis.


IVOMEC Injection is indicated for the treatment of infections due to gastrointestinal roundworms, lungworms, and larval stages of the nasal bot in sheep:

Gastrointestinal roundworms: Adults and immatures: Haemonchus contortus; Ostertagia circumcincta; Trichostrongylus colubriformis; Cooperia curticei; Oesophagostomum columbianum; Chabertia ovina

Adults: Trichostrongylus axei; Oesophagostomum venulosum; Trichuris ovis

Lungworms: Dictyocaulus filaria (adults and immatures)

Nasal bot: Oestrus ovis (all larval stages)

Uses/benefits of Ivermectin Injectable For Sheep

Injectable Convenience

IVOMEC Injection is the first injectable antiparasitic agent highly effective against both internal and external parasites of cattle and swine and internal parasites of sheep in Canada. It can be administered quickly and easily.


IVOMEC Injection provides broad-spectrum efficacy against gastrointestinal roundworms, lungworms, cattle grubs, sheep nasal bot, and sucking lice and mange mites of cattle and swine with one easy to give injection (see complete list of parasites).

Unique Chemical Compound

IVOMEC Injection contains ivermectin, a unique antiparasitic compound.

Dosage & Administration

  • IVOMEC Classic Injection for Cattle and Sheep should be given only by subcutaneous injection, using aseptic precautions, at the recommended dosage level of 200 mcg ivermectin per kg bodyweight under the loose skin in front of, or behind, the shoulder in cattle and in the neck in sheep.
  • To ensure administration of a correct dose, bodyweight should be determined as accurately as possible; accuracy of the dosing device should be checked.
  • When treating sheep of less than 16kg, seek veterinary advice regarding the use of 1 ml disposable syringes graduated in increments of 0.1 ml.
  • For the treatment of individual sheep, a syringe not exceeding 2.0 ml and calibrated in increments of 0.1 ml should be used. Each ml contains 10 mg of ivermectin sufficient to treat 50 kg of bodyweight of cattle and sheep.
  • The injection may be given with any standard automatic or single-dose or hypodermic syringe. Use of a sterile 17 gauge × ½ inch needle is suggested. Replace with a fresh sterile needle after every 10 to 12 animals. Injection of wet or dirty animals is not recommended.

Withdrawal period

  • Meat & offal): 37 days.
  • Milk: Do not use in sheep producing milk for human consumption.

Prices of Ivermectin Injectable For Sheep

$23.98  –  $42.59

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