Dont let lice spoil the show. iO Encore Pour On controls neonicotinoid susceptible body lice Bovicola ovis on shorn sheep up to 7 days off shears and unshorn lambs up to 2 months of age. Quick Facts & Benefits: Protects sheep against re-infestation with lice for 4 weeks after treatment when applied within 24 hours of shearing. May be used in conjunction with worm control drenches and at the same time as vaccination. Contains a blue dye to identify treated sheep. This dye is scourable from the wool. Is safe for use on breeding rams. Proudly Australian Made & Owned. Active Constituent: 35 g/L Imidacloprid Also contains: 300 g/L N-Methyl-2-Pyrrolidone (solvent) Dose Rates & Administration Instructions: One 20L pack will treat 333 sheep and a 5L pack will treat 83 sheep (based on 30.1-55kg body weight). Refer to the dosage table on label. Recommended Applicators: Apply product only with the 6-stripe applicator. Recycle containers via drumMUSTER.