Dilute 50ml of Oxyfly in 5 litres of water. For fly control, apply as a low pressure spray in areas where flies congregate or settle. For other insects, apply spray as a crack and crevice treatment. OXYFLY FARM FLY INTEGRATION Oxyfly is part of the Novartis Animal Heath farm fly control programme. This comprises Neporex, Oxyfly & Spy. .