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Other Names: Myiasis, Fly Blown
Flystrike, also known as myiasis, is a painful, potentially fatal condition. It is caused by flies laying their eggs on the chicken, which hatch into maggots and begin to eat the bird alive. Although flies are most commonly attracted to open wounds and feces-coated feathers, some species (including the most common myiatic flies—the botfly, blowfly, and screwfly) can create an infestation even on unbroken skin.
Flystrike can occur very quickly and needs to be addressed as an emergency. This is because flies reproduce extremely fast---the eggs only require 8 to 12 hours to hatch. Without immediate veterinary care, your chicken will go into shock and die.