Site of Animal Health Discovery
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)
30.0748° N, 99.1107° W
This marker stands on private property. Please view it from the road or ask the owner first.
Where to Find It
USDA -- US Livestock Insects Research Laboratory, Knipling-Bushland Research Center, on restricted access/private property.
Nearby Markers
- 1.5 mi S Captain Joseph A. Tivy Kerrville
- 2.1 mi SW Kennedy-Peterson House Kerrville
- 2.3 mi SW Zion Lutheran Church Kerrville
- 2.3 mi SW Barnett Chapel Methodist Church Kerrville
- 2.3 mi SW First Baptist Church of Kerrville Kerrville
- 2.3 mi SW Doyle Colored School Kerrville