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Ultra Boss® Pour-On (Merck)

QC Supply Part #: 230621
Shipping: Standard
Availability: In stock
Price From: $34.99 - $125.99

Control against flies and lice on cattle and sheep.


Ultra Boss® Pour-On contains 5% Permethrin for control against flies and lice on cattle and sheep. Low-volume dosage reduces time and labor. There is no preslaughter withdrawal or milk discard. Also approved for use in backrubbers.


  • Active Ingredient: 5% Permethrin and 5% Piperonyl Butoxide
  • Dosage: Apply 3 mL per 100 lbs body weight, up to 30 mL maximium application limit
  • For Use On: Dairy Cattle (Lactating & Non-lactating), Beef Cattle, Calves, Sheep, Dairy Goats (Lactating & Non-lactating) and Horses
  • Controls: Lice, Horn Flies, Face Flies, Horse Flies, Stable Flies, Mosquitoes, Black Flies & Ticks
  • Available Sizes: 1 Quart Jug or 1 Gallon Jug

Always Read & Follow Label Directions.

Brand Schering-Plough
Animal Cattle, Horse, Sheep & Goat
Insect Fly

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