Merck Ultra Boss Pour-On Insecticide
5% Permethrin and 5% piperonyl butoxide pour-on insecticide for beef, dairy and lactating cattle; sheep, goats and horses. Low-volume dosage reduces time and labor. Target species: lice, horn flies, face flies, horse flies, stable flies, mosquitoes, black flies and ticks. Cattle: No preslaughter withdrawal. No milk discard. Apply 3 ml per 100 lb Body weight, up to the 30 ml maximum application limit. Also approved for use in backrubbers.
5% Permethrin and 5% piperonyl butoxide pour-on insecticide for beef, dairy and lactating cattle; sheep, goats and horses. Low-volume dosage reduces time and labor. Target species: lice, horn flies, face flies, horse flies, stable flies, mosquitoes, black flies and ticks. Cattle: No preslaughter withdrawal. No milk discard. Apply 3 ml per 100 lb Body weight, up to the 30 ml maximum application limit. Also approved for use in backrubbers.