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Cyrex™ Liquid

Cyrex™ Liquid

Cyrex™ Liquid

Cyrex™ Liquid contains 12.5 g/L of spinosad and 500 g/L cyromazine. Spinosad has a unique knockdown mode of action while cyromazine is a proven IGR flystrike preventative. Cyrex will provide 6 to 12 weeks protection against flystrike when applied by full saturation dipping methods and 3 to 8 weeks protection when applied by automatic jetting race. Cyrex also controls lice on coarse wool breeds of sheep and treats lice on long-wool Merino sheep. Cyrex™ Liquid also provides knockdown treatment of maggots

Key Product Benefits:

  • Controls lice in short wool and long wool 
  • Treats existing blowfly strike  
  • Provides medium term protection against blowfly strike  
  • Short 7 day meat withholding periods  


Pack Size

250 mL, 5L, 10L 

Dosage 

Always read and follow the label directions.  

Withholding periods 

MEAT: 7 days 

MILK: 35 days

WOOL: 2 months (Except in the case of spot treatment for flystrike.)

MILK WHP: 35 days

Cyrex™ Liquid Important Information 


Find the information you need to incorporate Cyrex™ Liquid as part of your sheep lice and blowfly management program. Always read and follow the label instructions. 

Cyrex™ Liquid   

Fly, Maggot and Lice Eliminator for Sheep.  

ACTIVE CONSTITUENTS: 12.5 g/L Spinosad, 500 g/L Cyromazine 

Cyrex will provide 6 to 12 weeks protection against flystrike when applied by full saturation dipping methods and 3 to 8 weeks protection when applied by automatic jetting race. 

Action: The active constituents in Cyrex are spinosad and cyromazine. Spinosad is a member of the “Spinosyn” class of insecticides; a new generation insecticide with a unique mode of action. Cyromazine is an insect growth regulator that kills maggots by stopping their development. 

For the prevention and treatment of blowfly (including Lucilia cuprina) strike in all breeds of sheep, including organophosphate resistant strains. Cyrex will provide 6 to 12 weeks protection against flystrike when applied by full saturation dipping methods and 3 to 8 weeks protection when applied by automatic jetting race. 

For the control of lice on coarse wool breeds, including strains resistant to synthetic pyrethroids. 

 For the treatment of lice on long wool Merino sheep (greater than 3 months wool), including strains resistant to synthetic pyrethroids. 

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