Saturday, September 1, 2018

PRO/AH/EDR> African swine fever - Asia (11): China (AH) domestic swine, spread, OIE

AFRICAN SWINE FEVER - ASIA (11): CHINA (ANHUI) DOMESTIC SWINE, SPREAD,
OIE
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Date: Fri 31 Aug 2018
Source: OIE, WAHID weekly disease information 2018; 31(36) [edited]
<http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=27741>

African swine fever, China (People's Rep. of)
-----------------------------
Information received [and dated] on 31 Aug 2018 from Dr. Zhang
Zhongqui, Director General, China Animal Disease Control Centre,
Veterinary Bureau, Ministry of Agriculture, Beijing, China (People's
Rep. of)

Summary
Report type: Immediate notification
Date of start of the event: 17 Aug 2018
Date of confirmation of the event: 30 Aug 2018
Report date: 31 Aug 2018
Date submitted to OIE: 31 Aug 2018
Reason for notification: 1st occurrence of a listed disease
Manifestation of disease: Clinical disease
Causal agent: African swine fever virus
Nature of diagnosis: Clinical, laboratory (advanced)
This event pertains to a defined zone within the country.

New outbreaks (1)
Outbreak 1.
Location: Yanhe Village, Nanling, Wuhu, Anhui
Date of start of the outbreak: 17 Aug 2018
Outbreak status: Continuing (or date resolved not provided)
Epidemiological unit: Farm
Affected animals
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered
Swine / 459 / 185 / 80 / 379 / 0

Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered
Swine / 459 / 185 / 80 / 379 / 0
Outbreak statistics (rates apparent, in percentages)
Species / Morbidity rate / Mortality rate / Case fatality rate /
Proportion susceptible animals lost*
Swine / 40.31 / 17.43 / 43.24 / 100.00
*Removed from the susceptible population through death, destruction
and/or slaughter

Epidemiology
Source of the outbreak(s) or origin of infection: Unknown or
inconclusive
Epidemiological comments: After the 1st African swine fever outbreak,
a supervision workgroup was promptly dispatched to the Anhui Province
by the Ministry of Agriculture and Rural Affairs. Blockade,
disinfection, stamping out of the animals, destruction of relevant
contaminated materials and restriction of movement measures were
conducted in the farm. The local government launched the African swine
fever contingency plan and emergency response according to the
Standard & Protocol for African swine fever. All live pigs and animal
products were prohibited to enter and exit the area.

Control measures
Measures applied: Movement control inside the country; surveillance
outside containment and/or protection zone; screening; traceability;
quarantine; official destruction of animal products; official disposal
of carcasses, by-products and waste; stamping out; zoning;
disinfection; no treatment of affected animals
Measures to be applied: No other measures

Diagnostic test results
Laboratory name and type: China Animal Health and Epidemiology Center,
National Research Center for Exotic Animal Diseases (National
laboratory)
Species / Test / Test date / Result
Swine / polymerase chain reaction (PCR) / 30 Aug 2018 / Positive
Swine / real-time PCR / 30 Aug 2018 / Positive

Future reporting
The event is continuing. Weekly follow-up reports will be submitted.

[The location of the outbreak can be seen on the interactive map at
the source URL above.]

--
Communicated by:
ProMED-mail
<promed@promedmail.org>

[The above new outbreak in a hitherto uninfected Chinese province,
Anhui in eastern China, has been covered in ProMED-mail's posting
http://promedmail.org/post/20180830.5997998, which includes background
information and commentary.

A Chinese media source "The Paper" published on Sat 1 Sep 2018 the
following data: In 2017, following the spread of African swine fever
(ASF) in Russia, the recorded culling percentage of pigs, throughout
the year, accounted for 8.3% of the national pig population. According
to the data of the Ministry of Agriculture and Rural Affairs of China,
as of July 2018, the total number of live pigs in the country was 320
million. If the culling rate follows the same proportions experienced
in Russia, China may need to cull 26.56 million heads. At present, the
government subsidy for forced culling due to ASF is CHY 800 (USD 117)
per head. If the breeding cost per pig is CHY 1600 (USD 234), the pig
breeding industry will lose nearly CHY 2.125 billion (USD 310 million)
(see, in Chinese, at
<https://www.thepaper.cn/newsDetail_forward_2401985>). - Mod.AS

HealthMap/ProMED-mail map:
Anhui Province, China: <http://healthmap.org/promed/p/258>]

[See Also:
African swine fever - Asia (10): China (AH) domestic swine, spread
http://promedmail.org/post/20180830.5997998
African swine fever - Asia (09): South Korea ex China, contaminated
flight food http://promedmail.org/post/20180826.5988921
African swine fever - Asia (08): China (ZJ) domestic swine, spread,
RFI http://promedmail.org/post/20180825.5987058
African swine fever - Asia (07): China (ZJ) domestic swine, spread,
OIE http://promedmail.org/post/20180823.5983494
African swine fever - Asia (06): China (ZJ) domestic swine, spread
http://promedmail.org/post/20180823.5982897
African swine fever - Asia (05): China (JS) domestic swine, spread,
OIE http://promedmail.org/post/20180820.5976534
African swine fever - Asia (04): China (JS) spread
http://promedmail.org/post/20180819.5975008
African swine fever - Asia (03): China (HE, HL), spread
http://promedmail.org/post/20180817.5969883
African swine fever - Asia (02): China (LN) genotyping, epidemiology
http://promedmail.org/post/20180815.5967476
African swine fever - Asia: China (LN) domestic swine, 1st report, OIE
http://promedmail.org/post/20180803.5945484
African swine fever - Europe (27): EFSA scientific opinion, comment
http://promedmail.org/post/20180714.5903959
African swine fever - Europe (26): Romania, spread, EFSA scientific
opinion http://promedmail.org/post/20180711.5899939
African swine fever - Europe (25): Romania (BH) domestic swine, OIE
http://promedmail.org/post/20180709.5895588
African swine fever - Europe (17): Russia (KN) domestic swine, OIE
http://promedmail.org/post/20180614.5853924
2017
----
African swine fever - Europe (33): Russia (Crimea), wild boar
http://promedmail.org/post/20171223.5521500
African swine fever - Europe (31): Russia, Ukraine, domestic swine
wild boar OIE http://promedmail.org/post/20171203.5479485
African swine fever - Europe (25): Russia (KX), domestic swine, OIE
http://promedmail.org/post/20171006.5365621
African swine fever - Europe (13): Russia (OM), domestic swine, OIE
http://promedmail.org/post/20170717.5183098
African swine fever - Europe (08): Moldova, Russia, domestic swine,
OIE http://promedmail.org/post/20170328.4929925]
.................................................arn/rd/dk
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