Cydectin Sheep Drench : 1lt Product Type_Sorting & Restraining alcohol bottle for easy cleaning alcohol bottle for easy cleaning and instruction manual Field trial studies prove efficacious horn fly control up to 4 weeks 0 mL increments and it must be administered based on the weight of animal being treated Body Weight Dose Body Weight Dose 11 lb 5 kg 1 mL 99 lb 45 kg 9 mL 22 lb 10 kg 2 mL 110 lb 50 kg 10 mL 33 lb 15 kg 3 mL 121 lb 55 kg 11 mL 44 lb 20 kg 4 mL 132 lb 60 kg 12 mL 55 lb 25 kg 5 mL 143 lb 65 kg 13 mL 66 lb 30 kg 6 mL 154 lb 70 kg 14 mL 77 lb 35 kg 7 mL 165 lb 75 kg 15 mL 88 lb 40 kg 8 mL Sheep must not be slaughtered for human consumption within 7 days of treatment