Brucellosis isn't a problem confined to livestock alone. It infects humans as "undulant fever." Its cost is both in money and human suffering. Let's take a closer look at the situation.
Herrick, John B.
"What You Should Know About Brucellosis!,"
Iowa Farm Science: Vol. 7
, Article 3.
Available at: https://lib.dr.iastate.edu/farmscience/vol7/iss1/3