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Archive Number 20021208.6014
Published Date 08-DEC-2002
Subject PRO/AH> Newcastle disease, game birds - USA (CA) (09)

NEWCASTLE DISEASE, GAME BIRDS - USA (CA) (09)
*********************************************
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International Society for Infectious Diseases
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Date: 5 Dec 2002
From: Thomas E Walton <thomas.e.walton@usda.gov>
Source: United States Department of Agriculture Animal and Plant Health 
Inspection Service


Emergency Management Warning 10: Newcastle disease in California in 
backyard poultry
-------------------------------
Officials with the California Department of Food and Agriculture (CDFA) and 
the Animal and Plant Health Inspection Service (APHIS) are conducting an 
eradication campaign for Newcastle disease. The disease was confirmed on 1 
October 2002, and is restricted to backyard poultry. Clinical signs in 
infected birds include respiratory, nervous, and gastrointestinal signs. 
Mortality is up to 90 per cent of exposed birds.

Commercial poultry, at this time, are not involved in the disease 
occurrence. Investigations are on-going and all figures are pending final 
validation.

Situation update:
Number of premises positive: 108
Number of contacts: 338
Number of premises depopulated: 285
Premises waiting to be depopulated: 161
Birds depopulated to date: 24 000 (approximate)
Counties with positive flocks: Los Angeles, Riverside, San Bernardino

Operational Update:
The date of the last discovered positive case of Newcastle disease in 
California was 5 December 2002.

Effective 13 November 2002, the California State Veterinarian has imposed a 
quarantine (Food and Agriculture Code Section 9562) on the following 
counties: all of Los Angeles County; portions of Riverside County; portions 
of San Bernardino County.

Effective November 21, 2002, APHIS has imposed a federal quarantine that 
regulates the interstate movement of poultry and poultry products from 
California's already quarantined areas. Poultry species affected by 
California's quarantine are: chickens, turkeys, ducks, geese, grouse, 
partridges, pheasants, quails, guinea fowl, peafowl (peacocks), doves, 
pigeons, awans, ratites and ratite eggs.

State and federal animal health officials are conducting door-to-door 
surveys to identify fowl and other birds in the affected areas and are 
following up on all epidemiological associations. To date, depopulation, 
cleaning and disinfecting, and carcass disposal are being conducted by CDFA 
and APHIS. CDFA has closed all poultry exhibits and fairs and expositions 
within the State of California.

The Newcastle disease situation is contained and is still considered a 
single outbreak cluster within a 30mile radius in Los Angeles County and 
along the Los Angeles/Riverside/San Bernardino County border.

Affected and exposed backyard poultry are being euthanized and 
double-bagged. Task force members are disinfecting the bags and 
transporting the carcasses to restricted landfills for burial. All 
door-to-door surveillance, along with interviews has established that there 
have been no links to eastern states within the United States and no 
exposure to other backyard poultry in other states.

Local commercial table egg layer birds are being closely monitored and will 
only be allowed to move intrastate under CDFA monitoring and spent-hen 
movements restricted to the day they are scheduled for processing.

New Trade Issues:
None

Please forward this information to your federal, state, and industry 
counterparts as necessary. If you have questions about this situation 
please contact USDA APHIS <EMOC@APHIS.USDA.GOV>.

-- 
Thomas E. Walton
<Thomas.E.Walton@usda.gov>

[see also:
Newcastle disease, game birds - USA (CA) (08)     20021203.5958
Newcastle disease, game birds - USA (CA) (07)     20021125.5893
Newcastle disease, game birds - USA (CA) (06)     20021112.5780
Newcastle disease, game birds - USA (CA) (05)     20021101.5689
Newcastle disease, game birds - USA (CA) (04)     20021026.5646
Newcastle disease, game birds - USA (CA) (03)     20021019.5603
Newcastle disease, game birds - USA (CA) (02)     20021012.5533
Newcastle disease, game birds - USA (TX): warning 20021006.5482
Newcastle disease, game birds - USA (CA): OIE     20021004.5468]

..................tg/sh

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