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The ''Vigilante'' bolus is an insecticide used with both dairy and beef cattle to reduce the number of flies in an area. It works by releasing an IGR (Insect Growth Regulator) that stops the development of insects before they become flies. Essentially preventing them from reproducing. The bolus, when used with an insecticidal ear tag, devastates the populations of horn, barn and face flies. Contains 9.7% Diflubenzuron in a 50 gm bolus for 150 day control of horn and face flies including organophosphate and pyrethroid resistant flies. Also aids in the control of house and stable flies on beef and dairy cattle. Each bolus contains 4.75 gm of the active ingredient and can be administered with the standard balling gun (not included - see item JI-B2 or J3-BB). Dosage: 1/2 bolus for 300-550 lb, 1 bolus for 550 lb or more. A single bolus will provide up to 150 days of control against Horn Flies and Face Flies. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Vigilante Bolus」の詳細全文を読む スポンサード リンク
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