Why the US Drops 14.7 Million Worms On Panama Every Week?
The United States conducts a weekly operation involving the dropping of 14.7 million live flies over the Panama-Colombia border. This operation is a part of a long-standing collaboration to control the population of the New World screwworm, a species that poses a significant threat to livestock and humans. The New World screwworm larvae hatch from eggs laid in open wounds of warm-blooded mammals, causing severe pain and often death to the host animal. The strategy to control the screwworm population involves sterilizing male flies with X-rays, disrupting the mating process to eventually reduce the population. This operation dubbed the "Great American Worm Wall," involves various components such as a fly factory in Panama, sterilization procedures, aerial drops of sterilized flies, and ground monitoring to prevent screwworm outbreaks, costing around $15 million annually.
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