MusterMate

Vetrazin Liquid withholding period

Active ingredient:
Cyromazine
For:
sheep

Withholding periods

Meat
7 days
Milk
See the label rules below
Export slaughter interval (ESI)
See the label rules below

Checked against APVMA label 49852/0614 on 9 October 2026.

What else the label says

  • DO NOT USE on sheep which are producing or may in the future produce milk or milk products for human consumption.
  • DO NOT USE less than 2 months before shearing or fibre collection.
  • ESI: DO NOT USE less than 21 days before slaughter for export.
  • DO NOT USE on sheep with less than 6 weeks wool.

How to count it

Count from the last treatment. An animal last treated on 1 March can't go for slaughter before 8 March (7 days later).

To read the label yourself, search the APVMA's PubCRIS register for product number 49852. In MusterMate's medicine list it's listed as “Vetrazin Liquid (Lice)”.

Labels get updated, so the pack in your shed may say something different. Always read the label on the product you're using, and ask your vet before using it in a way the label doesn't cover. MusterMate isn't connected with the makers of these products.

Let MusterMate count it for you

Pick this medicine when you record a treatment, and MusterMate works out the date each animal is clear. Your home screen shows every animal still under a withholding period. Free for up to 15 animals, no credit card.

Get started free

More lice, fly, tick and blowfly treatments

All withholding periodsHow to record a treatment