What’s the Buzz on Cattle Flies? Part 2: Control
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Collapse ▲Possible Control Options for Fly Species
Horn Flies and Face Flies
- Insecticide dust can be very useful if animals are forced to use them. One option is to mount these bags on a mineral feeder, or to hang backrubbers in places animals frequent.
- Insecticide sprays or pour ons can provide control for up to 3 weeks, but need to be reapplied.
- Oral larvicides can be useful in controlling horn fly (not face fly) populations through killing horn fly larvae. This product is included in loose minerals labeled for fly control. Animals must steadily consume the product for it be effective. Horn flies may also migrate from nearby farms, making the oral larvicide seem ineffective.
- Insecticide ear tags or strips are a convenient method but may be less effective than others.
- The Vet Gun allows for application of individual capsules of insecticide. These capsules can be effective for up to 35 days.
Remember that because face flies stay around the face, they may be more difficult to control than horn flies.
Stable Flies
- Spray insecticide targeted on the legs applied weekly.
- Clean up and remove wasted or old feed prior to spring.
Fly Control on Pastured Cattle Video – University of Nebraska-Lincoln
This information was adapted from the University of Nebraska-Lincoln’s “Controlling Flies on Pastured Cattle.”
Read the label on all insecticides and follow directions. Only apply to the species they are labeled for. Consider using products that are also labeled for ticks.