Merck - Ultra Boss Pour On - 5L

2771682
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  • Regular price $205.96
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Take Control of Flies and Lice with Ultra Boss pour on. This insecticide for cattle, sheep, horses, and goats contains 5% permethrin and 5% piperonyl butoxide. Use against lice, horn flies, face flies, horse flies, stable flies, mosquitos, black flies and ticks.

  • Fast-acting 5% Permethrin formulation with 5% Piperonyl Butoxide optimizes control.
  • Effective horn fly control for 8 weeks. Also controls face flies.
  • Season-long lice control with one application (January through April).
  • No preslaughter withdrawal and no milk discard.

One gallon will treat 229 head 550 lb cattle. Apply 3 ml per 100 lbs body weight to cattle, calves and horses. Apply 1.5 ml per 50 lbs body weight to goats and sheep.

Apply To

Target Species

Dosage

Lactating and Non- Lactating Dairy Cattle, Beef Cattle, Calves, Horses

Lice, Horn flies, face flies. Aids in control of Horse flies, Stable flies, Mosquitoes, Black flies, and Ticks

Apply 3 mL per 100 lbs body weight of animal up to a maximum of 30 mL for any one animal. Pour along back and down face.

Back Rubber Use: Mix 100 mL per gallon of #2 diesel oil or mineral oil. Keep rubbing device charged. Results improved by forced daily use.

Lactating and Non-Lactating Dairy Goats

Apply 1.5 mL per 50 lbs body weight of animal up to a maximum of 18 mL for any one animal. Pour along back and down face.

Sheep

Sheep keds, Lice

Pour along back. Apply 1.5 mL per 50 lbs of body weight of animal up to a maximum of 18 mL for any one animal.