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        "description": "The island demonstration did not establish permanent worldwide eradication. Immigration, surveillance, rearing and repeated releases matter. These two named researchers are not a complete operational-team roster, and the method is not suitable for every pest.",
        "domain": "Livestock pest control"
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        {
          "citation": "USDA ARS: The screwworm eradication programme",
          "url": "https://agresearchmag.ars.usda.gov/2012/may/history/"
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          "citation": "USDA National Agricultural Library: Screwworm collection, 1953–1955",
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      "statement": "# Sterile insect releases: suppressing a livestock parasite across an area\n\nResearchers developed and field-tested the release of sterilized screwworm flies so that mating would not produce viable offspring. The approach offered an area-wide way to control a damaging livestock parasite.\n\n## Scientific scope\n\nThe island demonstration did not establish permanent worldwide eradication. Immigration, surveillance, rearing and repeated releases matter. These two named researchers are not a complete operational-team roster, and the method is not suitable for every pest.\n\n## Reading status\n\nThis is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.\n\n## People and systems\n\nEdward F. Knipling; Raymond C. Bushland\n\nNamed source contributors; broader team, precursor or trial-group roster remains incomplete.\n\n\n\n## Original sources\n\n- [USDA ARS: The screwworm eradication programme](https://agresearchmag.ars.usda.gov/2012/may/history/)\n- [USDA National Agricultural Library: Screwworm collection, 1953–1955](https://www.nal.usda.gov/exhibits/speccoll/exhibits/show/stop-screwworms--selections-fr/1953-1955)\n",
      "summary": "Researchers developed and field-tested the release of sterilized screwworm flies so that mating would not produce viable offspring. The approach offered an area-wide way to control a damaging livestock parasite.",
      "title": "Sterile insect releases: suppressing a livestock parasite across an area"
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    "id": "sterile-insect-screwworm",
    "entry_id": "sterile-insect-screwworm",
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    "title": "Sterile insect releases: suppressing a livestock parasite across an area",
    "context": "Livestock pest control",
    "track": "Scoped scientific or research-capability contribution",
    "band": "A",
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    "achievement_state": "SUPPORTED_SCOPED_RESULT",
    "what_changed": "Researchers developed and field-tested the release of sterilized screwworm flies so that mating would not produce viable offspring. The approach offered an area-wide way to control a damaging livestock parasite.",
    "scope": "Researchers developed and field-tested the release of sterilized screwworm flies so that mating would not produce viable offspring. The approach offered an area-wide way to control a damaging livestock parasite. Scope limitation: The island demonstration did not establish permanent worldwide eradication. Immigration, surveillance, rearing and repeated releases matter. These two named researchers are not a complete operational-team roster, and the method is not suitable for every pest.",
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      {
        "title": "USDA ARS: The screwworm eradication programme",
        "url": "https://agresearchmag.ars.usda.gov/2012/may/history/",
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        "title": "USDA National Agricultural Library: Screwworm collection, 1953–1955",
        "url": "https://www.nal.usda.gov/exhibits/speccoll/exhibits/show/stop-screwworms--selections-fr/1953-1955",
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