Your online orders cannot currently be placed through your PGW Customer Account Web login. Please contact our online support team for more information.

Nilvax Selenised 500 ml

Nilvax is a 5-in-1 clostridial vaccine and drench for ewes. The gold standard pre-lamb clostridial vaccine for ewes, Nilvax provides protection and antibody production against the five key clostridial diseases: pulpy kidney, malignant oedema, tetanus, black disease and blackleg .

Read more
availability map Available Nationwide
In stock

Dispatch Options

Delivery Not Available
Click and Collect In Store Available


In Selected Stores and Online
Online Only

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.

SKU#: 116723

Vaccinate Nilvax Selenised subcutaneously in the anterior (front) half of a sheep's neck. By supplementing with selenium, diseases such as white muscle disease can be prevented and controlled as well as assisting with fertility, improving growth rates and wool production. The active ingredient Levamisole boosts sheep immune responses and controls gastrointestinal roundworms and lungworm. The withholding periods are meat 21 days and milk 35 days.

  • Protects against clostridial diseases such as pulpy kidney, malignant oedema, tetanus, black disease and blackleg in sheep
  • Selenium assists with fertility, improving growth rates and wool production of sheep
  • Dosage varies according to weight
  • Do not vaccinate sheep less than 20 kg
  • Withholding periods: Meat 21 days and milk 35 days

Knowledge Hub