Parasiticides (Drenches)


Abamectin pour-on for cattle

  • Cattle
  • NZ Made
    NZ Made

Topline® is an abamectin pour-on for cattle that treats and controls abamectin-sensitive external and internal parasites, such as lungworm and sucking lice.

  • Rain resistant
  • Made in New Zealand


By law the user must take due care, obtaining expert advice when necessary, to avoid unnecessary pain and distress when using the product other than as directed on the label. Read safety directions before opening or using.

  • 1 ml per 20 kg bodyweight topically.
  • Apply evenly along the midline of the back from the front of the shoulders to the tail head. Use a plastic measuring cup or automatic drenching gun to apply. For best results it is recommended that Topline® is applied to dry animals. However, rainfall before and after use will not affect efficacy.


It is an offence for users of this product to cause residues exceeding the relevant MRL in the Food Notice: Maximum Residue Levels for Agricultural Compounds.

  • Milk: 35 days
  • Meat: 35 days


Available in 2.5 and 5 litre backpacks, and 20 litre drums.


Resistance may develop to any anthelmintic. Talk to your Vet about parasite management practices for your area to reduce development of resistance. It is advisable that a resistance test be conducted regularly when using any parasite treatment.

To learn more about Topline® talk to your Vet.

Download SDS



Registered pursuant to the ACVM Act 1997, No. A010067. See for registration conditions.

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