The brucellae cause brucellosis, a zoonosis affecting livestock and humans. B. abortus and B. melitensis infect ruminants, and B. suis swine and wildlife. Moreover, sheep are infected by B.

The Horticulture and Vegetable Health Units of the Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA) are working on genetic improvement for resistance to' vascular fusariosis', a s