NEWCASTLE DISEASE, GAME BIRDS - USA (CALIFORNIA)(06)
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Date: 9 Nov 2002
From: Thomas E Walton <Thomas.E.Walton@usda.gov>
Source: official United States Department of Agriculture update (edited)


Emergency management warning 6: Newcastle disease confirmed in California 
in backyard poultry
------------------------------
Officials with the California Department of Agriculture (CDFA) and the 
Animal and Plant Health Inspection Services (APHIS) are conducting an 
eradication campaign for Newcastle disease. The disease was confirmed on 
October 1, 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 
continuing and all figures are pending final validation.

Situation update:
Number of premises positive: 30
Number of contacts: 36
Number of premises depopulated: 62
Premises waiting to be depopulated: 4
Birds depopulated to date: 10 600 (approximate)
Counties with positive flocks: Los Angeles, Riverside, San Bernardino

Operational Update:
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 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 30 mile [48 km] 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 The bags are disinfected and the carcasses transported to 
restricted landfills for burial.

All door-to-door surveillance, along with interviews, has established 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 be allowed to move only intrastate 
under CDFA monitoring and spent-hen movements restricted to the day they 
are scheduled for processing.

Trade Issues:
Nothing new to report.

If you have questions about this situation please contact USDA, APHIS, 
Veterinary Services, Emergency Programs at <EMOC@APHIS.USDA.GOV>.

-- 
ProMED-mail
<promed@promedmail.org>

[This is an ongoing investigation. Since the last report there are very few 
additional comments. As this is very localized, there are no concerns for 
trading partners. Furthermore, this is not in any commercial flocks. It 
seems this outbreak in the game birds housed primarily in back yards and in 
small operations was caught in a timely fashion. - Mod.TG]

[see also:
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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