Merck Ultra Boss Pour-On Insecticide 32oz
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ULTRA BOSS Pour On insecticide is used for beef, dairy and lactating cattle; sheep, goats and horses. Target species include: lice, horn flies, face flies, horse flies, stable flies, mosquitos, black flies and ticks.
- Low-volume dosage reduces time and labor
- Effective horn fly control for 8 weeks. Also controls face flies
- Season-long lice control with one application (January through April)
- Apply 3 mL per 100 lb. body weight, up to 30 mL maximum application limit.
- Also approved for use in backrubbers
- For optimum lice control, two treatments at 14-day intervals are recommended