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MAGNUM®
MAGNUM®

MAGNUM®

From $179.00 Incl GST

Shipping Rates

Online orders can be delivered straight to your farm, orchard, lifestyle block or residential house across New Zealand. Note that at this stage, we do not offer international deliveries or deliveries to the Chatham Islands, Great Barrier Island, Stewart Island or Waiheke Island.

All orders that can fit into one standard courier parcel that is 25kg or less and 0.125mᶟ. $9.00
All orders that can fit into two to three standard courier parcels that equal less than 50kg in total. $15.00
All orders that are 50 to 100kg and cannot fit into less than three standard courier parcels. $50.00
All orders that are more than 100kg in total and cannot fit into less than three standard courier parcels. $100.00

 
Exclusions apply. Read the full delivery policy here.

Easy Returns

Products ordered online can be returned within 30 working days of taking delivery of the products, provided they meet our return conditions. The goods can be either refunded, replaced or exchanged.

There are three effortless ways to process a return:

  • Processing a return online: Sign into your PGG Wrightson Web Account and look for "Returns" on your left menu and follow the steps.
  • Returning a product in store: Head into your local PGG Wrightson store with your packaged product and your online order reference (in print or electronic version).
  • Contacting our customer service team: Ring 0800 10 22 76 and our customer service team will take you through the steps to return the product to us.

All our return conditions are set in the PGW Terms of Sale / Trade. Exclusions apply. 

Friendly Support

Our friendly customer service team is always ready to help you. We have multiple communication channels to ensure a quality responsive service.

You can contact our customer service team at any time through the following channels:

Support Hours, Monday - Friday: 8 AM to 5 PM

Secure Payment

All credit and debit card transactions are fully managed through a dedicated payment gateway hosted by Windcave. At the time of a purchase, your card details are sent directly to Windcave, who offer full end-to-end encryption. This technology is designed by Windcave to prevent any unauthorised viewing and downloading of your payment information. At no point does PGG Wrightson has access to, or store any of your credit or debit card information.

For further information on payment and security on the PGG Wrightson online store, please see our Terms of Sale, Privacy Policy or FAQs.

Dispatch Options
Delivery Not Available
Click and Collect In Store Not Available
Magnum is a water-based IGR pour-on for the prevention of flystrike and control of lice in sheep. This treatment is effective against lice resistant to synthetic pyrethroids and flies resistant to organophosphates. Magnum's formulation includes the active ingredient diflubenzuron 25 g per litre. 
Full Details

SKU#: PID00562

  • Dose rates are:
  • Lice: 5 mL per 10 kg
  • Flystrike at docking/tailing: Crutch - 17 mL, under 35 kg back and crutch - 34 mL or over 35 kg back and crutch - 51 mL
  • Withholding periods: meat nil, milk 35 days
  • Wool harvest interval: 60 days
  • Note, it is best practice to control lice off shears
Specifications
Ingredients Active Ingredient: Diflubenzuron 25g per L.
Recycling Recycle safely using Agrecovery, New Zealand's solution for the safe disposal of unwanted agrichemicals, and the recycling or recovery of empty containers, drums and IBCs.
Application method Pour-on application only. Apply along the topline in a narrow strip extending from the neck to the tailhead.
Controls Fly and lice in sheep.
Dose Rate Lice: 5 ml per 10 kg, Fly: 34 ml under 35 kg, 51 ml over 35 kg.
Product expires Yes
Suitable for Prevention of flystrike and control of lice in sheep.
Withholding periods Meat: NilMilk: 35 days
Product Conditions
Purchasing termsAll prices are stated in New Zealand Dollars and all credit card payments through store.pggwrightson.co.nz will be processed in New Zealand Dollars. Product images are for illustrative purposes only. The information is not designed as a substitute for specific advice. If professional advice or other expert assistance is required, you should retain the services of a competent and independent professional adviser. Always use professional advice for critical work or procedures or where you are unsure of any stated figures or information. No part of this information may be reproduced, stored, or transmitted without our prior written permission. PGW's terms of trade apply to any services and products that we supply you.
Promotion conditionsApplies to Magnum 20 L only. Valid from 1 June 2026 to 30 June 2026 unless specified otherwise or extended (but not before 7.30am on the first, or after 5pm on the last, day of that period) or while stocks last. May not be available in all stores but may be ordered on request. Prices include GST and are subject to change. PGG Wrightson promotions do not apply to quotes or bulk rates unless otherwise stated.

Knowledge Hub View more

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Tackling flystrike

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