Ivomec Classic Injection

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Product Description

Indicated for the effective treatment and control of the following parasites of cattle and sheep:


Gastrointestinal Roundworms (Adult, L4 and Inhibited L4)

  • Ostertagia ostertagi

Gastrointestinal Roundworms (Adult and L4)

  • Ostertagia lyrata
  • Cooperia oncophora
  • Cooperia pectinata
  • Cooperia punctata
  • Haemonchus placei
  • Trichostrongylus axei
  • Trichostrongylus colubriformis
  • Bunostomum phlebotomum
  • Oesophagostomum radiatum

Gastrointestinal Roundworms (Adult)

  • Strongyloides papillosus
  • Nematodirus helvetianus
  • Nematodirus spathiger
  • Trichuris spp.

Lungworms (Adult and L4)

  • Dictyocaulus viviparus

Eye Worms (Adult)

  • Thelazia spp.


  • Hypoderma bovis
  • H. lineatum

Mange Mites

  • Psoroptes ovis
  • Sarcoptes scabei var. bovis

Sucking Lice

  • Linognathus vituli
  • Haematopinus eurysternus
  • Solenopotes capillatus

The product may also be used as an aid in the control of biting lice (Damalinia bovis) and the mange mite Chorioptes bovis, but complete elimination may not occur.

Persistent Activity 

Given at the recommended dosage of 1 ml per 50 kg bodyweight, the product controls re-infection with the following nematodes: Barbers pole worm (Haemonchus placei), Small intestinal worm (Cooperia spp.) and Hairworm (Trichostrongylus axei) for 14 days, Brown stomach worm (Ostertagia ostertagi) and Nodular worm (Oesophagostomum radiatum) for 21 days, and Lungworm (Dictyocaulus viviparus) for 28 days after treatment.

The timing of treatment should be based on epidemiological factors and should be customised for each individual farm. A dosing program should be established by a qualified professional person.


Gastrointestinal Roundworms (Adult, L4 and Inhibited L4)

  • Ostertagia circumcincta
  • Haemonchus contortus

Gastrointestinal Roundworms (Adult and L4)

  • Ostertagia trifurcata
  • Trichostrongylus colubriformis
  • Cooperia curticei
  • Oesophagostomum columbianum
  • Nematodirus filicollis
  • Chabertia ovina
  • Gastrointestinal Roundworms (Adult)
  • Trichostrongylus axei
  • T. vitrinus
  • Oesophagostomum venulosum
  • Trichuris ovis

Lungworms (Adult and L4)

  • Dictyocaulus filaria

Lungworms (Adult)

  • Protostrongylus rufescens

Nasal Bots

  • Oestrus ovis

Mange Mites

  • Psoroptes ovis

Benzimidazole-resistant strains of Haemonchus contortus and Ostertagia circumcincta are also controlled.


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.




  • Meat & offal: 49 days.
  • Milk: Do not use in cattle producing milk for human consumption. Do not use in non-lactating dairy cows including pregnant heifers within 60 days of calving.


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


Data Sheet

To know more about this product please click on the link below...

Ivomec Classic Injection


Delivery & Returns




Non-refrigerated items

By 6pm


Refrigerated items

By 12am

£100 +



Delivery to United Kingdom only

Please note there is a small excess of £7.50 for dispatch to Highlands and Islands and Isle of Wight and £12 to Guernsey and Jersey as governed by your postcode.

  1. We are unable to ship to Northern Ireland. Any orders placed online will be cancelled and refunded.
  2. Orders are typically dispatched the day after they are received. For example, orders placed on Monday, will be dispatched on Tuesday. Orders received on Friday will not be dispatched until Monday subject to stock availability.
  3. Orders placed on a Thursday or Friday that have refrigerated items included will be dispatched on Sunday for delivery before 12pm on the following Monday to ensure that the items are delivered to you under controlled conditions. 
  4. We do not offer a Saturday or Sunday delivery service.
  5. Standard and Priority costs apply to the UK mainland only. Highlands and Islands and Isle of Wight may incur an excess to cover additional carriage costs as governed by your postcode. Full details can be found by clicking the link below.
  6. Standard Delivery (non-refrigerated products) guarantees delivery by 6pm
  7. Priority Delivery (refrigerated products) guarantees delivery by 12pm.
  8. We are unable to dispatch refridgerated products to Highlands and Islands addresses. Full details can be found by clicking the link below. 

For full delivery details click here 

Faulty Goods Returns

In the unlikely event that you receive faulty or damaged goods please call 01306 628215 within 72 hours of receipt of your goods. Please have your order reference to hand. You will be asked to provide evidence of the damaged goods if damaged in transit.

Restricted Goods Returns

We are unable to offer refunds on the following products.

  • Animal medicines - general & vaccines
  • Refrigerated/temperature sensitive products

Please contact the Farmacy Team before sending any returns on 01306 628215.

For full returns details click here

Product Species

  • Cattle - Dairy
    Cattle - Dairy
  • Cattle - Beef
    Cattle - Beef
  • Sheep
Home Delivery

UK mainland delivery from £12.00

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