Internal and external parasites, such as gastrointestinal worms and lice, are organisms that feed on a host animal’s tissue, blood, and tissue fluids and can interfere with performance. For Canadian cattle producers, parasite burdens lead to significant productivity losses if not effectively addressed.

Internal parasites can cause appetite suppression, reduced feed digestibility and nutrient absorption, blood loss, and anemia, which in turn can lead to decreased weight gain, weakened immune system, and tissue and organ damage.  External parasites can cause hair loss and scabbing, blood loss and anemia, and skin irritation, as well as acting as a disease vector. The effects of external parasites on production can include decreased weight gain and milk production, hide damage, and damage to facilities and fences from rubbing and scratching.

Ivermectin is an injectable parasiticide for cattle and swine. One low-volume dose effectively treats and controls the following internal and external parasites that may impair the health of cattle and swine: gastrointestinal roundworms (including inhibited Ostertagia ostertagi in cattle), lungworms, grubs, sucking lice, and mange mites of cattle; and gastrointestinal roundworms, lungworms, lice, and mange mites in swine.

Product Description

Ivermectin is derived from the avermectins, a family of potent, broad-spectrum antiparasitic agents isolated from fermentation of Streptomyces avermitilis.
IVERMECTIN Injection is a clear, ready-to-use, sterile solution containing 1% ivermectin, 40% glycerol formal, and propylene glycol, q.s. ad 100%. IVERMECTIN Injection is formulated to deliver the recommended dose level of 200 mcg ivermectin/kilogram of body weight in cattle when given subcutaneously at the rate of 1 mL/110 lb (50 kg). In Swine, IVERMECTIN Injection is formulated to deliver the recommended dose level of 300 mcg ivermectin/kilogram body weight when given subcutaneously in the neck at the rate of 1 mL/75 lbs (33 kg).

Uses/benefits of Ivermectin For Cattle

Ivomec Ivermectin Pour-on For Cattle is for the treatment and control of Ivermectin-sensitive gastrointestinal roundworms (including inhibited Ostertagia ostertagi), lungworm (Dictyocaulus viviparus), eyeworm (Thelazia spp.), sucking and biting lice, sarcoptic and chorioptic mange mites, buffalo fly (Haematobia irritans exigua) and cattle tick (Boophilus microplus) in cattle, and for the treatment and control of gastrointestinal roundworms and lungworm of red deer.

  • Effective dewormer trusted by cattle producers for more than 35 years.
  • Enhances profitability by controlling damaging parasites.1,2​
    • When left untreated, parasites suppress appetite, reduce feed intake and negatively impact the animal’s immune system.3
  • 100 percent Product Satisfaction Guarantee for IVOMEC products when all animals are treated with the product as directed on the label.
  • IVOMEC comes in three formulations: IVOMEC (ivermectin topical solution) Pour-On, IVOMEC Plus (ivermectin and clorsulon) and IVOMEC (ivermectin) 1% Injection.

Features of Ivermectin For Cattle:

  • Broad-spectrum performance 
  • Long lasting control of key parasites – including biting & sucking lice 
  • Proven performance improvements in extensive field trials for cow/calf weight gain2, feedlot feed conversion3and carcass quality3
  • Merial Promise of Total Satisfaction – for guaranteed lice control
  • Supports 4-H clubs through BoxBack & Jug Recycling programs 


IVOMEC Pour-On applied at the recommended dose level of 500 µg of ivermectin per kg of body weight is indicated for the treatment of parasitic infections and infestations due to gastrointestinal roundworms, eyeworms, lungworms, grubs, mites and hornflies in cattle. This product is also indicated for the treatment and control of infestations due to sucking and biting lice in cattle. 

Prices of Ivermectin For Cattle

$39.99 – $159.99

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