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G93-1180 Horn Fly Control On Cattle, John B. Campbell
G93-1180 Horn Fly Control On Cattle, John B. Campbell
University of Nebraska-Lincoln Extension: Historical Materials
This NebGuide identifies ways to control horn flies on cattle.
The horn fly is a blood-feeder that feeds 20 to 30 times per day. A population of several thousand horn flies may be present on one animal. When large numbers of these flies are on cattle, the cattle bunch and expend considerable effort fighting the flies. They will often stand in water or seek shade trying to get relief from the flies. When they do this, they fail to graze normally.
Studies in the United States and Canada show that during the grazing season yearling cattle free from horn flies …