Distribution and phylogenetic analysis of porcine parvoviruses in the wild boar population of Russia
BMC Genomics,
Год журнала:
2025,
Номер
26(1)
Опубликована: Март 3, 2025
Porcine
parvoviruses
(PPVs)
are
widespread
worldwide
in
the
swine
population.
PPV1
is
a
significant
infectious
agent
pig
production,
causing
porcine
reproductive
failure.
The
pathogenic
potential
of
novel
PPVs
has
been
poorly
studied.
Since
wild
boars
reservoir
for
PPVs,
aim
this
study
was
to
investigate
their
prevalence
and
genetic
diversity
boar
Tissue
samples
(spleen,
lungs,
lymph
nodes)
collected
from
108
three
regions
Russia
during
2021–2024
were
analyzed.
PPV1–7
found
populations
Russia,
most
abundant
species
PPV7
(59.3%)
PPV3
(49.1%).
research
did
not
reveal
any
relationship
between
gender
age
animals
PPVs.
A
comparison
detection
rates
PCV2/PCV3
revealed
random
nature
coinfections.
For
phylogenetic
analysis,
complete
VP1/VP2
gene
sequences
17
isolates
obtained.
Most
them
belonged
27a-like
group.
Two
same
cluster
as
highly
virulent
Kresse
strain.
Isolate
BelWB57
had
amino
acid
substitutions
that
specific
both
strains,
but
it
classified
either
Additionally,
PPV2,
PPV3,
PPV7,
one
sequence
PPV5
PPV6
genes
demonstrated
distribution
across
various
clusters
with
strains
domestic
pigs
different
countries.
isolate
included
clade
Russian
pig,
whereas
enter
representatives
our
country.
This
first
work
devoted
prevalence,
well
characteristics
circulating
among
Russia.
Our
data
showed
populations.
Phylogenetic
analysis
demonstrates
isolates.
Язык: Английский
Prevalence of porcine circoviruses 2 and 3 in wild boar in Serbia
Journal of Veterinary Diagnostic Investigation,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 11, 2025
Porcine
circovirus
2
(PCV2)
and
porcine
3
(PCV3)
are
prevalent
pathogens
that
economically
important
to
the
global
swine
industry.
We
investigated
prevalence
of
PCV2
PCV3
in
eastern
Serbia
by
analyzing
166
wild
boar
samples
with
a
real-time
PCR
assay.
The
cumulative
was
72.7%,
true
estimates
59.2%
for
PCV2,
49.0%
PCV3,
31.0%
coinfection.
found
higher
Južnobanatski
district
compared
previous
reports,
likely
due
differences
detection
methods
inclusion
liver
samples.
Backyard
farms,
free-ranging
animals
natural
breeding,
dominate
Serbia,
facilitating
frequent
interactions
between
domestic
pigs.
overlap
backyard
commercial
farming
practices,
along
high
densities
cross-border
movements,
facilitate
viral
transmission.
These
conditions,
coupled
inadequate
biosecurity
measures,
such
as
swill
feeding
improper
disposal
offal,
amplify
risk
dissemination,
significant
implications
spillover
into
pig
populations.
Enhanced
monitoring
strategies
crucial
mitigate
pathogen
transmission
Язык: Английский