World Grain - August 2020 - 38

FEED QUARTERLY

AFRICAN
SWINE FEVER
INFECTION
PACE SLOWS
It's too early to say if it is a trend or merely an
anomaly due to seasonal and other factors

African swine
fever is a highly
contagious,
deadly viral
disease of
domestic and
wild pigs.

38

N

early two years after African swine fever (ASF
or ASFV) was detected in China, the number of
active cases is starting to ebb, but it is too soon
to say whether it is a long-term trend or an anomaly.
Several factors likely contributed to a decrease the
last several months, said Cassandra Jones, associate
professor in the Department of Animal Sciences and
Industry at Kansas State University (KSU), including
the coronavirus (COVID-19), which has limited the
movement of people and animals. Farmers also are better understanding transmission and taking necessary
biosecurity measures. In addition, Southeast Asia was
in its dry season, so the decrease could be due to the
seasonality associated with viruses, she said.
"From January through May we saw a decline in
QHZFDVHV´-RQHVVDLG³,W¶VGL൶
FXOWWRVD\ZK\EXWLW¶V
likely all three of those factors. Since May and coming
into July, I think we've started to see more positives
and started to see more outbreaks. Time will tell, but
I'm not overly optimistic yet."

ASF is a highly contagious and deadly viral disease
of domestic and wild pigs, which is responsible for serious economic and production losses, according to the
World Organization for Animal Health (OIE). There
LV QR YDFFLQH RU FXUH VR D൵HFWHG DQG H[SRVHG KHUGV
are culled. The disease is spread through direct contact
with infected domestic or wild pigs, indirect contact
through ingestion of contaminated material, and contaminated fomites or biological vectors.
It is not spread from swine to humans and is not a
threat to human health, nor does it cause a food safety
issue, Jones stressed.
Currently, there are 25 countries or territories with
new or ongoing ASF outbreaks for a total of 7,043, according to an OIE report for the period from June 26
to July 9. At the beginning of 2020, the OIE reported
12,219 outbreaks in 23 countries.
No cases have been reported in North America,
South America or Australia, but it may just be a matter
of time, Jones said.
August 2020 / World Grain / www.World-Grain.com

©surfmedia - stock.adobe.com

by Susan Reidy



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World Grain - August 2020

Table of Contents for the Digital Edition of World Grain - August 2020

World Grain - August 2020 - 1
World Grain - August 2020 - 1
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