Profit Drain

One-Two Knockout for Flies

Rotate insecticide classes on sprays or pour-on products every one to two years, along with ear tags. The right treatment combination can maximize control and minimize resistance problems. (DTN/Progressive Farmer photo by Jim Patrico)
Flies are never easy to ignore. Scott Warren says without a good control program, fly populations would explode in the 1,000-head commercial cow herd he manages at North Carolina's Buffalo Cattle Company.

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