NEWCASTLE DISEASE, GAME BIRDS - USA (CA) (07)
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A ProMED-mail post
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International Society for Infectious Diseases
<http://www.isid.org/>

Date:22 Nov 2002
From: Thomas E Walton <Thomas.E.Walton@usda.gov>
Source: USDA official release [edited]


Newcastle Disease Confirmed in California
-------------------------------------
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 Oct 2002 and is 
restricted to backyard poultry.  

Clinical signs in infected birds include respiratory, nervous, and 
gastrointestinal signs.  Mortality is up to 90 percent 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: 76
Number of contacts: 182
Number of premises depopulated: 182
Premises waiting to be depopulated: 76
Birds depopulated to date: 16 000 (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 20 Nov 2002.

Effective 13 Nov 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 21 Nov 2002, APHIS has imposed a federal quarantine that 
regulates the interstate movement of poultry and poultry products 
from California's quarantined areas.

Poultry species affected by California's quarantine are:
Chickens, Turkeys, Ducks, Geese, Grouse, Partridges, Pheasants, 
Quails, Guinea Fowl, Pea Fowl (Peacocks), Doves, Pigeons, 
Swans, Ratites, Ratite Eggs [ratites include ostriches & emus - 
Mod.JW]

State and federal animal health officials are condcting 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 30-mile radius in Los Angeles 
County and along the Los Angeles/Riverside/San Bernardino 
County border.

Affected and exposed backyard poultry are being euthanized, 
double-bagged, 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.

Trade Issues: Nothing new to report.

Please forward this information to your federal, State, and industry
counterparts as necessary.

If you have questions about this situation please feel free to call:
USDA, APHIS, Veterinary Services, Emergency Programs at 
800-940-6524,
301-734-8073, or 
e-mail: <EMOC@APHIS.USDA.GOV>

-----definitions---------
Emergency Management Issue is for information with no impact on 
APHIS
Emergency Management Notice is an ongoing incident with potential
impact on APHIS Emergency Management Warning is an ongoing 
incident with almost certain impact on APHIS

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

[see also:
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/pg/jw
--
Dr Jack Woodall
Associate Editor, ProMED-mail 
Dept. of Medical Biochemistry
Institute of Biomedical Sciences
Federal University of Rio de Janeiro
Rio de Janeiro - RJ, Brazil
<woodall@promedmail.org>
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