The Department of Agricultural Diagnostics and Research (Departamento de Diagnóstico e Pesquisa Agropecuária) is a Brazilian public institution focused on agricultural research, laboratory diagnostics, and technical support for the agribusiness sector. Its activities typically include plant and animal health diagnostics, soil and water analysis, pest and disease monitoring, and applied research aimed at improving agricultural productivity and sustainability.

Through scientific studies, laboratory services, and collaboration with producers and government agencies, the department contributes to food safety, biosecurity, environmental protection, and the advancement of agricultural practices in Brazil.