Newcastle Disease In The USA

USA - A report (via OIE) on the Newcastle Disease in the United States (follow-up report No. 8 - disease detected in commercial poultry farms).
calendar icon 10 January 2003
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See also: 9 May 2003, 25 April 2003, 18 April 2003, 7 February 2003, 24 January 2003, 17 January 2003, 3 January 2003, 29 November 2002, 22 November 2002, 8 November 2002, 1 November 2002, 25 October 2002, 18 October 2002, 4 October 2002

Information received on 3 January 2003 from Dr Peter Fernandez, Associate Administrator, Animal and Plant Health Inspection Service, United States Department of Agriculture (USDA), Washington, DC:

End of previous report period: 27 December 2002 (see Disease Information, 16 [1], 3, dated 3 January 2003).

End of this report period: 3 January 2003.


Location No. of outbreaks
Los Angeles, Orange, Riverside, San Bernardino, San Diego Counties, State of California

* 3 commercial facilities and 280 known positive backyard premises.

As of 3 January 2003, three commercial egg-laying flocks have been confirmed with Newcastle disease in Riverside, San Bernardino, and San Diego Counties, California. The three operations house approximately 1.2 million birds.

Control measures:

- The state and federal quarantine area has been increased to include San Diego and Orange counties. All backyard flocks in the affected area (Los Angeles, San Diego and Orange Counties and portions of San Bernardino and Riverside Counties) are under quarantine. Movement of poultry and poultry products out of the quarantined counties is prohibited. Eggs may be moved after they have been washed, sanitized and packed in new materials.

- Depopulation of the affected commercial premises: approximately 131,030 of the 1.2 million birds have already been killed. Depopulation of the remaining commercial birds is ongoing.

- Depopulation of affected/exposed backyard flocks: to date, 280 known positive backyard premises have been depopulated, as well as 334 premises with direct contact with positive birds. Affected and exposed backyard birds are being euthanized and double bagged; the bags are disinfected and sent to restricted landfill sites for burial. The transport vehicles follow a prescribed, pre-approved route to the landfill sites. These routes are chosen so as to not expose any other poultry facilities.

- There is an egg-processing plant that is linked to the infected commercial sites. Immediately upon the first confirmation of Newcastle disease in commercial birds, all racks and crates from this facility were cleaned and disinfected, and this practice continues. Disposable egg flats are being purchased for all layer flocks in the quarantine zone.

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