iO Flyk Spray-On provides season long protection to sheep against body, breach and poll strike and may be used either off-shears or on sheep with any length wool. iO Flyk Spray-On also protects mulesing and marking wounds on lambs against fly strike during the wound healing process. Active Constituent: 50 g/L Dicyclanil Controls & Prevents: For the protection of mulesing and marking wounds on sheep against fly strike (Lucilia cuprina) during the wound healing process. Dose Rates: The dose volume is determined by the weight of sheep being treated. Administration Instructions: Apply iO Flyk Spray-On according to the diagrams and tables in the Directions for Use. DO NOT DILUTE. Apply directly from the container or an appropriate back pack using a spray-on applicator gun recommended by The Hunter River Company. iO Flyk Spray-On may be applied to all breeds of sheep to obtain protection against fly strike. Recycle containers via drumMUSTER.