Horn Flies
Horn flies and cattle
Horn flies are small, dark gray flies that feed on cattle and occasionally horses. Both sexes are blood feeders, taking 20 or more blood meals each day with their stiff needle-like mouthparts.
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That bites
One horn fly can leave 20 to 30 bites on an animal. Multiply that by 200 flies per animal and you not only have a nuisance, but also a loss in performance.
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Cattle Fly Control
As the grazing season progresses, fly control will begin. The easiest answer is to do nothing and hope that horn fly populations remain less than 100 per side of the animal. Several research studies, including those conducted in North Dakota, indicate that economic losses in cow and calf productivity occur when the biting horn fly population is greater than 200 flies per animal.
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Dealing with horn files
Not only are horn flies a nuisance to beef and dairy cattle, they can cost producers money.
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Horn flies on cattle: Biology and management
Horn flies are an important blood feeding insect on range and pasture cattle in Montana. They are responsible for production losses in mature cattle and lower weaning weights in calves. Producers can minimize these losses by using one of the control tactics listed in this guide.
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Reducing flies helps keep herds healthy
Flies are annual summer pests of cattle and other livestock. Controlling them could mean happier, healthier and heavier livestock, said Lee Townsend, extension entomologist with the University of Kentucky College of Agriculture.
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Fly control around concentrated animal facilities
Flies may be a nuisance or be of economic concern due to transmission of disease, reduction in growth or production.
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Treating for pest flies on livestock
Flies can affect the performance of livestock such as weight gains. It can also potentially carry pathogens like pinkeye.
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Insect control proves essential in livestock production
Fly season is in full swing, and a Purdue Extension entomologist says insect control is essential as these pests can lead to disease and decreased growth rates in livestock.
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Insect control proves essential in livestock production
Fly season is in full swing, and a Purdue Extension entomologist says insect control is essential as these pests can lead to disease and decreased growth rates in livestock.
FULL STORY »
Fly control on cattle is critical
The economic loss due to fly infestation in cattle herds has been well documented.
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