Coopers Blowfly and Lice Jetting Fluid is a concentrated jetting solution designed for the treatment and prevention of blowfly strike and the control of biting lice in sheep with long wool. Containing 16 g/L ivermectin, it provides up to 12 weeks protection under low to moderate fly pressure and is effective against synthetic pyrethroid-resistant lice strains.
Suitable for use on sheep of all ages, this product ensures rapid knockdown of maggots on struck sheep and maintains efficacy even after moderate rainfall. It is ideal for hand jetting or use with a modified Harrington jetting race.
Coopers Blowfly and Lice Jetting Fluid Features
Dual Action Control
Treats and prevents blowfly strike and controls biting lice in long woolled sheep.
Long-Lasting Protection
Provides up to 12 weeks protection against blowfly strike under low to moderate fly pressure.
Effective Against Resistant Strains
Controls lice strains resistant to synthetic pyrethroids.
Rainfast Formulation
Moderate rainfall does not affect the product's efficacy.
Flexible Application
Can be applied via hand jetting or modified Harrington jetting race; also suitable for hand dressing struck sheep.
- Active Constituent: Ivermectin 16 g/L
- Dosage: Dilute 200 mL of concentrate in 100 L of water
- Administration: Apply at least 2.5 L of diluted jetting fluid per sheep via hand jetting or modified Harrington jetting race; for lice treatment, apply 0.5 L per month of wool growth ensuring fleece and skin are thoroughly wet to skin level
- Pack Sizes: 5L
- Controls:
- Blowfly strike (Lucilia cuprina, L. sericata, Chrysomya rufifacies, Calliphora nociva)
- Biting lice (Bovicola ovis)
- Meat Withholding Period: 7 days
- Wool Harvesting Interval: 6 weeks
- Milk Withholding Period: Do not use in lactating sheep or within 28 days of lambing where milk or milk products may be used for human consumption
- Export Slaughter Interval (ESI): 7 days
- Storage: Store below 30°C (room temperature)
The product contains 16 g/L of ivermectin.
How long does the protection against blowfly strike last?It provides up to 12 weeks protection under low to moderate fly pressure.
Can it be used to treat lice in sheep?Yes, it treats biting lice (Bovicola ovis) in long woolled sheep when applied by hand jetting.
Is the product effective after rainfall?Yes, moderate rainfall does not adversely affect its efficacy.
What are the withholding periods for meat, wool, and milk?Meat: 7 days; Wool Harvesting Interval: 6 weeks; Milk: Do not use in lactating sheep or within 28 days of lambing where milk or milk products may be used for human consumption.
Hills Farm Supplies
Coopers Coopers Blowfly and Lice Jetting Fluid
Share
- Expert Knowledge & Advice
- Order for Pickup
- Delivery Options Available

Buying In Bulk?
Save big with bulk discounts! we help farmers of all sizes.
Coopers Blowfly and Lice Jetting Fluid is a concentrated jetting solution designed for the treatment and prevention of blowfly strike and the control of biting lice in sheep with long wool. Containing 16 g/L ivermectin, it provides up to 12 weeks protection under low to moderate fly pressure and is effective against synthetic pyrethroid-resistant lice strains.
Suitable for use on sheep of all ages, this product ensures rapid knockdown of maggots on struck sheep and maintains efficacy even after moderate rainfall. It is ideal for hand jetting or use with a modified Harrington jetting race.
Coopers Blowfly and Lice Jetting Fluid Features
Dual Action Control
Treats and prevents blowfly strike and controls biting lice in long woolled sheep.
Long-Lasting Protection
Provides up to 12 weeks protection against blowfly strike under low to moderate fly pressure.
Effective Against Resistant Strains
Controls lice strains resistant to synthetic pyrethroids.
Rainfast Formulation
Moderate rainfall does not affect the product's efficacy.
Flexible Application
Can be applied via hand jetting or modified Harrington jetting race; also suitable for hand dressing struck sheep.
- Active Constituent: Ivermectin 16 g/L
- Dosage: Dilute 200 mL of concentrate in 100 L of water
- Administration: Apply at least 2.5 L of diluted jetting fluid per sheep via hand jetting or modified Harrington jetting race; for lice treatment, apply 0.5 L per month of wool growth ensuring fleece and skin are thoroughly wet to skin level
- Pack Sizes: 5L
- Controls:
- Blowfly strike (Lucilia cuprina, L. sericata, Chrysomya rufifacies, Calliphora nociva)
- Biting lice (Bovicola ovis)
- Meat Withholding Period: 7 days
- Wool Harvesting Interval: 6 weeks
- Milk Withholding Period: Do not use in lactating sheep or within 28 days of lambing where milk or milk products may be used for human consumption
- Export Slaughter Interval (ESI): 7 days
- Storage: Store below 30°C (room temperature)
The product contains 16 g/L of ivermectin.
How long does the protection against blowfly strike last?It provides up to 12 weeks protection under low to moderate fly pressure.
Can it be used to treat lice in sheep?Yes, it treats biting lice (Bovicola ovis) in long woolled sheep when applied by hand jetting.
Is the product effective after rainfall?Yes, moderate rainfall does not adversely affect its efficacy.
What are the withholding periods for meat, wool, and milk?Meat: 7 days; Wool Harvesting Interval: 6 weeks; Milk: Do not use in lactating sheep or within 28 days of lambing where milk or milk products may be used for human consumption.
