Patent ID: 6955818

Claim:
A non-irritant pour-on formulation for control of an external parasite on an animal of agricultural worth comprising 0.1 to 40% by weight of at least one spinosyn; and a non-irritant topically acceptable carrier selected from the group consisting of: a) i) tripropylene glycol methyl ether, and ii) at least one of benzyl alcohol and diacetone alcohol, wherein (i) is present in an amount of at least about 60% wt of the carrier; b) i) at least one of octyl palmitate, octyl stearate and glyceryl tri caprylate/caprate, and ii) at least one of dioctyl succinate, isopropyl myristate, cetearyl octanoate, propylene glycol 2 myristyl ether propionate, isopropyl palmitate, isopropyl laurate, isocetyl stearate, oleic acid and methyl oleate, and optionally including iii) at least one of alcohol and propylene glycol, wherein (ii) is present in an amount of up to about 40% wt of the carrier; and c) i) at least one of octyl palmitate, octyl stearate and glyceryl tri caprylate/caprate, and ii) at least one of benzyl alcohol, diacetone alcohol and propylene glycol, wherein (i) is present in an amount of at least about 60% wt of the carrier.