ULTRA Boss Pour-On Insecticide

ULTR ABoss Pour-On Insecticide is a ready-to-use synergized formula containing 5% permethrin and 5% piperonyl butoxide for control against flies and lice in cattle (lactating & non lactating dairy cattle, beef cattle & calves), sheep, goats (lactating & non lactating dairy goats) and horses (not intended for human consumption).

ULTRA Boss Pour-On Insecticide Key Uses:

• in Cattle, Horses & Goats:
• lice
• horn flies and face flies
• horse flies and stable flies
• mosquitoes, black flies, and ticks


• in Sheep:
• sheep keds
• lice

Special Note: ULTRA Boss Pour-On Insecticide is not effective against cattle grubs.

ULTRA Boss Pour-On Insecticide Dosage

• in Cattle & Horses:
• 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 daily forced use.


• in 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.


• in Sheep:
• 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 only.

For cattle, horses, sheep and goats, repeat treatment as needed but not more than once every two weeks.
For horses, do not saddle horse for 6 hours after application and refrain from washing down area of application.
For optimum lice control, two treatments at 14-day intervals are recommended.

*Pour-On Applicator Gun (SHP6) for ULTRA Boss Pour-On Insecticide, Gallon (SHB2) sold separately.

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