Horses simply ingest the larvicide as they eat the top dressed feed. It passes through the animal and starts to work on flies in the manure Keep your horses free from the annoyance of stable flies, horn flies, and house flies all season long with this convenient, long-lasting solution! This easy-to-use formula provides 76 daily doses and is simply added to your horse's top-dressed feed. The larvicide passes through the horse and targets flies developing in the manure, eliminating them without harming dung beetles, nature's manure disposal crew. Enjoy a calmer, healthier environment for your horses with this season-long fly control solution! Comes with 10 lb. of product.JustiFLY Equine 8-8-8 works on the next generation of flies. After about 2 weeks of daily feeding, see up to a 90% reduction in flies.

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