For the control of ticks, including organophosphate and synthetic pyrethroid resistant strains, on cattle, sheep, goats, deer and certain circus animals as per the directions for use. Pack size: Contains 5 x 500 g measure packs which it is illegal to sell separately. Administration Instructions: This pack dissolves on contact with water. Open outer sachet. To dissolve in water, simply tip inner soluble pack directly into bucket and stir. Dispense as per mixing instructions advised on label. Controls & Prevents: ROUTINE TICK CONTROL (NSW, QLD, VIC, NT only): For routine control of specific types of ticks on cattle, apply iO EXITRAZ at the following intervals: CATTLE TICK (Rhipicephalus [Boophilus] microplus): intervals of 19 to 21 days. BUSH TICK (NZ CATTLE TICK) (Haemaphysalis longicornis): intervals of 7 to 21 days. PARALYSIS TICK (Ixodes holocyclus): intervals of 7 to 10 days.