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Site of Animal Health Discovery

Kerrville, Kerr County

Marker Text

In this building (at Menard) during late 1930s, Dr. Edward F. Knipling (b. 1909) advanced theory screwworms might be eradicated by releasing sterile male flies to break chain of reproduction and save livestock from role of host to parasitic larvae that destroy livestock and wildlife. During 1950-51, this laboratory (removed to Kerrville area) was site of sterilization of male screwworms with irradiation, in procedures by Dr. R. C. Bushland and D. E. Hopkins. The outcome: eradication of the screwworm and saving of domestic and wild animals of the United States. (1972)

Marker Details

Address 2700 Fredericksburg Rd.
Location Description USDA -- US Livestock Insects Research Laboratory, Knipling-Bushland Research Center, on restricted access/private property.
Marker # 4722
Dedicated 1972
Size, Type 18" x 28"
Code animals; scientific topics
  • Private Property:

    True
  • Latitude, Longitude 30.074791, -99.110682

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