First detection of porcine circovirus 4 (PCV-4) in Europe
Virology Journal,
Год журнала:
2023,
Номер
20(1)
Опубликована: Окт. 10, 2023
Abstract
Porcine
circovirus
4
(PCV-4)
is
a
novel
virus
recently
discovered
(2019)
in
domestic
pigs
from
China,
although
several
studies
have
proven
its
circulation
since
2008.
Later,
PCV-4
was
also
detected
wild
boar
populations
China
and
South
Korea
Thailand.
Currently,
Asia
so
far
the
only
continent
where
this
has
been
reported;
few
carried
out
America
Europe
failed
attempt
to
detect
it.
The
objective
of
Comment
communicate
first
detection
Europe,
specifically
Mid-South-Western
Spain.
A
retrospective
study
on
pigs,
both
extensively
(Iberian
breed)
intensively
raised,
Spain
Italy,
sampled
between
1998
2022.
genome
attempted
using
different
conventional
or
quantitative
real
time
PCR
(qPCR)
protocols
some
positive
results
were
confirmed
through
Sanger
sequencing.
total
57
166
(34.3%)
Spanish
9
223
(4%)
Iberian
(both
geographically
located
Spain)
qPCR
positive,
while
rest
tested
animals
North-Eastern
Italy
negative.
Partial
sequences
Rep
Cap
genes
selected
samples
presence
PCV-4.
relatively
high
prevalence
low
one
same
areas
suggests
intra-
interspecific
transmission,
being
potential
viral
reservoir.
epidemiological
clinical
importance
these
findings
are
currently
unknown,
but
guarantees
further
research
virus.
Язык: Английский
Significant Detection of Porcine Circovirus 3 and Porcine Circovirus 4 in Wild Boars from Mid-Western Spain Without Apparent Sanitary Consequences
Animals,
Год журнала:
2025,
Номер
15(4), С. 523 - 523
Опубликована: Фев. 12, 2025
PCV-3
and
PCV-4
are
novel
viruses
that
can
infect
domestic
pigs
wild
boars.
Both
associated
with
multiple
disorders
in
(reproductive
failure,
respiratory
damage,
etc.).
However,
the
clinical
impact
on
boars
remains
unknown.
This
study
aimed
to
assess
presence
of
these
from
mid-western
Spain
their
sanitary
species.
A
total
166
submandibular
lymph
nodes
were
collected
hunted
boars,
along
available
information
about
reproductive
status,
lung
injuries,
body
condition,
tuberculosis
status.
The
samples
used
detect
using
real-time
PCR.
In
total,
84.9%
sampled
animals
positive
for
PCV-3,
33.7%
PCV-4.
detection
was
more
frequent
had
received
supplementary
feeding,
suggesting
direct
contact
favored
by
this
practice
could
increase
transmission
virus
boar
populations.
infections
did
not
seem
influence
lesions,
or
TB
lesion
severity
patterns
studied
animals.
Thus,
although
have
been
widely
detected
throughout
populations
area,
they
do
be
a
health
threat
Nevertheless,
monitoring
is
recommended,
as
often
extensively
reared
pigs,
which
susceptible
viruses.
Язык: Английский
The stability of PCV2 virus-like particles from mammalian cells and challenges for biotechnological applications
Vaccine,
Год журнала:
2024,
Номер
44, С. 126549 - 126549
Опубликована: Дек. 2, 2024
Язык: Английский
Rescue and characterization of PCV4 infectious clones: pathogenesis and immune response in piglets
Frontiers in Microbiology,
Год журнала:
2024,
Номер
15
Опубликована: Июль 29, 2024
Porcine
circovirus
4
(PCV4)
was
first
identified
in
2019,
categorized
within
the
genus
Язык: Английский