Harka-Mectin: Harka-Mectin is a spot on treatment for internal and external parasites of cage/aviary birds and homing, racing pigeons. Dosage Instruction Cage/aviary birds: 1 drop (100ug Ivermectin) per bird onto the skin, under the feathers between the shoulders. Pigeons: 2 Drops (200ug Ivermectin) per bird onto the skin, between the shoulders. Use before the start of the racing season. Warnings: Do not use during the main moulting season. Do not use during the hatching period. Do not use this product on young birds less than 8 weeks old. Do not use this product on any species other than those named on this leaflet. Serious reactions have been reported after the application of the active substance to dogs (especially collies, old English sheep dogs and related breeds), Tortoises and turtles. Avoid contact to skin, eyes and, mouth. Wash hands thoroughly with soap and water after applying this product. Storage/Disposal Advice: Store below 25°c. Keep out of reach of children. Dispose of unused product and packaging in the domestic refuse.