Animal pathogens cause many diseases of economic importance to U.S. livestock and poultry industries. Some of the most closely watched animal diseases, include: mad cow disease, brucellosis, leptospirosis, and porcine reproductive and respiratory syndrome. These and other pathogens may also contaminate foods and otherwise endanger human health.
Animal Pathogens
Spotlights

United States Department of Agriculture
Provides links to cross-government Web sites; fact sheets; global distribution; surveillance systems and more.

USDA. NAL.
Food Safety Research Information Office
Animal Welfare Information Center

Science Daily. May 29, 2008.
Ships are inadvertently carrying trillions of stoways in their ballast water tanks. When pumped out, invasive species could be released into new environments, where disease-causing microbes pose new risks to public health.