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History of Exotic Newcastle Disease (END)

The last major outbreak of Exotic Newcastle Disease (END) in California was eradicated and the CDFA and USDA ended the regional quarantines on September 16, 2003. However, CDFA retains the authority to monitor and test birds at poultry sale venues to prevent the introduction of highly contagious diseases such as END. For historical information about this past outbreak, click here

Brochures and Fact Sheets concerning Caged Birds and Disease Prevention

Exotic Newcastle Disease (END) is a contagious and fatal viral disease affecting all species of birds. Considered one of the most infectious diseases of poultry in the world; END is so virulent that many birds die without showing any clinical signs, and a death rate of nearly 100 percent can occur.

Outbreaks of END severely affect the poultry industry. In 1971, a major outbreak occurred in commercial poultry flocks in Southern California. The disease threatened not only the California poultry industry but also the entire U.S. poultry and egg supply. In all, 1,341 infected flocks were identified, and almost 12 million birds were destroyed. The eradication program cost taxpayers $56 million, severely disrupted the operations of many producers, and increased the prices of poultry and poultry products to consumers.

The last major outbreak of END, now eradicated, was confirmed on October 1, 2002 in backyard poultry in Southern California. The Governor of California declared a State of Emergency, the Secretary of the United States Department of Agriculture (USDA) declared an Extraordinary Emergency, and San Diego, Riverside, Los Angeles, and San Bernardino Counties declared local emergencies. END affected backyard poultry in California, Arizona and Nevada, and commercial operations in California has now spread beyond backyard poultry to affect commercial operations in California. All birds in Southern California were quarantined; birds, bird products, or END-exposed materials could not be moved from the area without a USDA permit. The eradication effort involved over 1500 people.

Prevention Tips

CDFA Publications

USDA Publications

Federal Register

END Taskforce Documents

Archived CDFA Press Releases

Archived Documents

"Papa" Lalo's Newcastle Disease Public Service Announcements

Industry Information Links