Shaping the future of animal health
South Africa

Trigger Strike

Ranges: External Parasiticides

Species: Goats, Sheep

Trigger Strike picture

IGR Pour-on for sheep and goats, for the control of Red lice in sheep and goats and blowfly strike in sheep.



Composition: Triflumuron 2,5 % m/v. 

DIRECTIONS FOR USE: Use only as directed.

Pour-on:  Dose rates are to be based on the heaviest animal in the flock. Animals should be weighed.

Lice Control Treatment

Body mass

Fly Control Treatment

10 ml

Up to 10 kg

2 x 5 ml

12 ml

10,1 – 20 kg

2 x 6 ml

15 ml

20,1 – 30 kg

2 x 7,5 ml

20 ml

30,1 – 55 kg

2 x 10 ml

25 ml

55,1 – 75 kg

2 x 12,5 ml

5 ml / 10 kg

Over 75 kg

2 x 2,5 ml / 10 kg




  • Trigger Strike can be used on sheep and goats from shearing up to 7 days after shearing and on unshorn lambs and kids from 2 months of age.                       
  • Application for lice control: Apply a single strip down the middle of the back between the poll and the base of the tail using an applicator with a wide band width.


  • For long term flystrike control in sheep apply Trigger Strike up to 3 months following shearing prior to the expected period of flystrike challenge.
  • Application for fly control: Apply half the dose in a single strip from the poll to the base of the tail and half the dose in a second stroke around the crutch and tail area using a suitable applicator.


  • Do not slaughter animals for human consumption within 60 days of last treatment.
  • Do not use on sheep and goats, which are producing or may in future produce milk or milk products for human consumption.

PRESENTATION: 1 L, 5 L, 10 L polyethylene bottles.

STORAGE INSTRUCTIONS: Store at room temperature below 30 °C.


South Africa: G4043 (Act 36/1947).
Namibia: V15/18.3.8/1296
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