Detector dogs play critical roles in tasks ranging from explosives detection to wildlife monitoring and disease surveillance. As demand grows and detection contexts diversify, refining how candidate dogs are selected and evaluated becomes increasingly urgent. In their 2019 commentary, Lazarowski, Waggoner, and Katz assess current challenges and outline a conceptual roadmap for advancing detector dog research.
The commentary builds on a comprehensive review by Troisi et al. (2019), which emphasized that detection performance arises from a constellation of interacting cognitive, behavioral, and environmental factors. The authors argue that to meaningfully improve detection dog programs, researchers must move beyond isolated trait assessment toward a more integrated, bio-behavioral approach—one that systematically identifies functional relations among traits linked to working success.
Central to their vision is the creation of an endophenotype for detection dog capability. This would involve defining measurable intermediate traits—such as motivational profiles, olfactory acuity, stress resilience, attentional control, and task persistence—that reliably predict long-term working success. By identifying these underlying components, organizations could improve candidate selection, reduce training attrition, and build more reliable detection dog programs.
Equally important, the authors stress the need for synergy between scientific researchers and working dog professionals. Empirical rigor offers objectivity and theoretical grounding, but ecological validity requires deep understanding of real-world operational contexts. Combining these strengths can ensure that research questions, methods, and metrics reflect genuine field needs and constraints.
Overall, the commentary positions bio-behavioral modeling as an essential next step for the future of detector dog research—one that could transform selection and training practices across national security, conservation, and biomedical detection fields.
Source: Lazarowski, L., Waggoner, P., & Katz, J. (2019). The future of detector dog research. Comparative Cognition & Behavior Reviews.







