Merck Animal Health Ultra Boss

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Price starting at: $38.72

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Pricing shown conforms to the MSRP guidelines required by the manufacturer. Leedstone honors all available manufacturer pricing programs. Contact us for more information — 877.608.3877.

Synergized with an extra ingredient to make the formulation stronger and last longer, UltraBoss offers optimized control of horn flies (for up to 8 weeks); as well as horse flies, face flies, stable flies, black flies, lice, mosquitos, and ticks. It also controls keds and lice on sheep. Season long lice control with one application (January to April).

Labeled for: beef and lactating/non-lactating dairy cattle, calves, sheep, goats and horses


Species: cattle, calf, horse, sheep, goat

  • Special formulation provides a stronger and longer lasting product. 
  • There is no milk or slaughter withdrawal. 
  • Can be used safely in a variety of species. 
  • Can also be used in back-rubbers for application.

Cattle, calves, and horses: Apply 3 ml per 100 lbs body weight up to a maximum of 30 ml per animal. Apply down the center of the back and face.

Sheep and goats: Apply 1.5 ml per 50 lbs of body weight up to a maximum of 18 ml per animal. Apply down center of back and face.

For use in backrubber mix 100 ml per gallon of #2 diesel oil or mineral oil. Keep rubbing device charged. Results improve with daily forced use.

Size

1 quart, 1 gallon

Net Contents

1 gallon, 1 quart

Application

Topical

Form

Liquid

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