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Black plaque № 17464

Kerrville, TX, United States

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 livest

ock 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

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