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U.S. EPA registered pesticide info
'Happy Horse' is an insecticide, miticide, and repellent or feeding depressant. Its Federal EPA registration number is: 3-20. It was originally approved by EPA on 21 Oct 1996. Its registration got cancelled on 11 Aug 2022. It has a 'Caution' signal word. It has the following active ingredients: MGK 326 and Pyrethrins. It's approved for 2 sites including horse stables and horses. It is also approved for 13 pests and pest groups including but not limited to bloodsucking lice, bugs, deer flies, face fly, fleas, gnats, horn fly, horse flies, house fly, and lice.