California Department of Fish and Wildlife Trapping Practice Exam

Brucellosis is primarily a bacterial infection caused by the Brucella species, and it predominantly affects various species of livestock, especially dairy animals. In particular, it is well known for impacting cattle, sheep, goats, and pigs, with bovine brucellosis being the most prevalent form. The disease can lead to significant reproductive issues, such as abortion in pregnant animals, which can severely affect dairy production and livestock health.

The concern regarding brucellosis in dairy animals is particularly relevant because these animals are often kept in close quarters and can spread the infection quickly within a herd. This infectious disease necessitates strict management practices to prevent outbreaks and ensure the safety of both animal and public health, as it can also be transmitted to humans through unpasteurized dairy products.

Other types of animals mentioned, such as wild birds, predatory mammals, and rodents, are not known to be primary hosts for brucellosis. While some wildlife species can carry the bacteria, the disease's primary concern and relevance are associated with dairy animals and livestock production systems.