Merck ULTRA BOSS® Pour-On Insecticide

★★★★★ 4.5 149 reviews

$159.99
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$159.99
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Product details

Management number 234801583 Release Date 2026/07/02 List Price $56.00 Model Number 234801583
Category

ULTRA BOSS POUR-ON INSECTICIDE features broad-spectrum control in a pour-on.

Containing 5% permethrin and 5% piperonyl butoxide, ULTRA BOSS POUR-ON INSECTICIDE controls lice, flies and more in lactating and non-lactating dairy cattle, beef cattle and calves.

About ULTRA BOSS POUR-ON INSECTICIDE:

  • Broad-spectrum insecticide against lice, horn flies and face flies. Aids in control of horse flies, stable flies, mosquitoes, black flies and ticks.
  • Effective horn fly control for 8 weeks.1
  • Season-long lice control with one application (January through April).1
  • Fast-acting permethrin formulation with 5% piperonyl butoxide optimizes control.1
  • ULTRA BOSS POUR-ON INSECTICIDE should be used as part of an integrated pest management system with the use of other pest control practices.

Dosage and Usage:

  • Repeat treatment as needed but not more than once every 2 weeks.
  • Do not allow pesticide to enter or run off into storm drains, drainage ditches, gutters or surface waters.
  • Not for use in outdoor residential misting systems.
  • Available in one U.S. quart (treats 57 550-lb. cattle) or one U.S. gallon (treats 229 550-lb. cattle).
  • For more information, including complete directions and warnings, please see the product label.
Pkg Size UPC # UIN #
Quart 300615260029 065590
Gallon 300615260012 065589

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