Nonlethal control

Dr. Stewart Breck was interviewed by Kellie Nicholas on December 29, 2025.

This subseries includes a digital recording of the interview, a release form, and a transcript.

Over the years, the Mammal Damage Unit of the DWRC/NWRC conducted research on coyote predation on livestock; rodent damage to crops, rangeland, and buried cables; and damage to timber production and reforestation efforts caused by deer, bear, and rodents, particularly pocket gophers. The Unit also studied the use of pesticides as well as methods to identify and develop non-lethal or non-chemical alternative management methods for specific wildlife problems.

Series I is comprised of nine boxes of material pertaining to black-tailed jackrabbit research conducted in Twin Falls, ID. It includes jackrabbit autopsy cards, damage surveys, studies with chemicals such as Di-Syston, strychnine, zinc phosphide, and other experimental chemicals. Also included are documents related to the study of rabbit mortality, non-lethal control methods, and telemetry