International Journal for Parasitology Parasites and Wildlife,
Journal Year:
2023,
Volume and Issue:
22, P. 60 - 68
Published: Aug. 30, 2023
Leucocytozoon
parasites
(Haemosporida,
Leucocytozoidae)
are
haemosporidians
whose
diversity,
exo-erythrocytic
development
and
potential
vectors
the
least
studied.
The
knowledge
about
their
pathogenicity
is
fragmentary,
resulting
in
an
incomplete
comprehension
of
impact
these
on
avian
hosts.
For
a
long
time,
infections
were
considered
benign
to
wild
birds,
even
though
they
virulent
poultry
responsible
for
some
bird
population
declines.
This
study
aimed
investigate
presence
species
stages
song
thrushes
Turdus
philomelos
using
conventional
histological
techniques
(sections
stained
by
H&E)
chromogenic
situ
hybridization
(CISH).
Tissues
from
ten
birds
(seven
naturally
infected
three
opportunistic
samplings)
examined
both
methods.
Parasite
lineages
identified
blood
samples
PCR-based
techniques.
meronts
found
five
individuals
(in
four
H&E
staining
protocol,
CISH-treated
sections).
Meronts
mainly
kidneys,
but
also
present
lungs.
It
was
possible
observe
different
maturation
same
individual,
indicating
asynchronous
development.
Cytomeres
readily
visible
developing
meronts.
One
megalomeront-like
structure
close
vessel
heart.
covered
with
prominent
capsular-like
wall.
No
inflammatory
reaction
or
necrosis
seen
tissues
surrounding
structure.
We
could
confirm
transmission
(lTUPHI14,
lSTUR1
lTUPHI13)
Europe,
add
evidence
two
Plasmodium
lineages,
including
circumflexum
(pTURDUS1),
Haemoproteus
asymmetricus
(hTUPHI01).
call
further
research
better
understand
parasite
Journal of Veterinary Research,
Journal Year:
2024,
Volume and Issue:
68(1), P. 101 - 108
Published: Feb. 28, 2024
Haemosporidian
parasites
are
prevalent
worldwide
and
can
cause
economic
losses
in
poultry
production.
These
arousing
interest
Thailand
found
many
avian
species.
There
is
insufficient
information
on
the
genetic
diversity
of
these
alveolates
from
largest
families
-
Plasmodidae,
Haemoprotidae
Leucocytozoidae
specifically
parasitising
ducks,
turkeys,
geese.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 26, 2024
Culicoides
biting
midges
are
significant
vectors
of
various
pathogens,
impacting
both
human
and
animal
health
globally.
Understanding
their
host
feeding
patterns
is
crucial
for
deepening
our
understanding
disease
transmission
dynamics
developing
effective
control
strategies.
While
several
studies
have
identified
the
sources
blood
meals
in
,
a
quantitative
synthesis
preferences
factors
influencing
these
behaviours
lacking.
A
systematic
literature
search
focused
on
gathering
data
(1)
selection
(2)
preference.
For
reviewing
we
reporting
identification
meal
individual
.
When
preference
comparing
number
caught
or
nearby
different
species
at
same
location.
Analysis
revealed
that
some
exhibit
fixed
preferences,
consistently
specific
hosts
such
as
cattle
horses,
while
others
display
more
opportunistic
behaviours.
Notable
variations
were
observed
across
geographic
regions.
The
findings
indicate
availability
significantly
influences
patterns.
This
study
highlights
complexity
midges,
which
has
implications
transmission.
variability
underscores
need
regional
assessments
to
inform
targeted
vector
PLoS ONE,
Journal Year:
2023,
Volume and Issue:
18(11), P. e0294066 - e0294066
Published: Nov. 29, 2023
Leucocytozoon
is
a
haemosporidian
parasite
known
to
cause
leucocytozoonosis
in
domestic
and
wild
birds
most
parts
of
the
world.
It
an
important
pathogen,
as
some
species
can
be
pathogenic,
especially
birds.
One
factors
affecting
poultry
health
management
worldwide
parasitism.
However,
study
parasites
Ghana
still
lacking.
This
sought
assess
prevalence
diversity
Ghana.
Blood
samples
were
collected
from
Ghana's
Bono
Eastern
regions
screen
for
parasites.
Thin
blood
smears
prepared
microscopy
DNA
was
extracted
whole
kept
ethylenediaminetetraacetic
acid
(EDTA)
tubes
PCR.
Due
large
number
samples,
real-time
PCR
performed
amplify
conserved
rDNA
gene.
Two
different
nested
protocols
on
positive
obtained
results,
partial
region
mitochondrial
cytochrome
b
gene
amplicons
sequenced.
Sequencing
revealed
six
new
lineages
sp.
recovered
976
individual
these
sequences
deposited
National
Center
Biotechnology
Information
(NCBI)
GenBank.
An
overall
11.6%
reported
all
sampled.
The
prevalent
lineage
LGHA146
(GenBank
accession
no.
OM643346)
(93.8%)
found
infecting
3
bird
species,
Gallus
gallus,
Meleagris
gallopavo,
Anas
platyrhynchos.
Phylogenetic
analysis
that
nos.
OM643342,
OM643343,
OM643344,
OM643345,
OM643346,
OM643347),
this
closely
related
schoutedeni.
We
suggest
further
studies
conducted
evaluate
effect
general
well-being
Parasitology,
Journal Year:
2023,
Volume and Issue:
unknown, P. 1 - 13
Published: Dec. 1, 2023
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abstract
is
not
available
for
this
content
so
a
preview
has
been
provided.
As
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have
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to
content,
full
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via
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action
button.
Contribuciones a las Ciencias Sociales,
Journal Year:
2024,
Volume and Issue:
17(4), P. e5376 - e5376
Published: April 11, 2024
A
presença
de
parasitos
e
as
condições
ambientais
alteradas
podem
afetar
a
saúde
dos
primatas-não-humanos
(PNHs).
compreensão
dessas
mudanças
pode
contribuir
para
elaboração
medidas
conservação
desses
animais
seu
habitat.
O
objetivo
foi
identificar
hemoparasitos
estabelecer
um
parâmetro
leucocitário
saguis-de-Rondônia
(Mico
rondoni)
presentes
em
dois
remanescentes
florestais
antropizados.
Foi
conduzido
estudo
experimental
que
envolveu
captura
coleta
sangue
14
indivíduos
da
espécie
Mico
rondoni,
primatas
pertencentes
à
família
Callitrichidae,
duas
áreas
consideradas
urbana
periurbana
Porto
Velho/RO.
identificação
parasitária
análise
parâmetros
leucocitários,
foram
realizados
partir
lâmina
histológica
camada
fina
estendida,
por
microscopia
óptica
(coloração
HE)
nos
aumentos
400
1.000X
com
suporte
atlas
parasitológico
hematológico.
Observou-se,
similaridade
morfológica,
ocorrência
do
protozoário
gênero
Leucocytozoon
sp.
100%
das
amostras
analisadas.
diferencial
leucócitos
indicou
equivalente
valores
referência
o
mesmo
e/ou
já
estudados
outras
localidades:
neutrófilo
53%,
eosinófilos
1%,
basófilo
3%,
linfócitos
33%
monócitos
10%.
Este
aponta
possível
PNH
urbanos
periurbanos
permitiu
avaliar
resposta
imune
rondoni
ao
meio
vive
endoparasitos,
representando
significativo
reservatório
zoonótico;
trata-se
uma
endêmica
estado
Rondônia
categorizada
como
vulnerável
extinção
tanto
nível
global
nacional.
Apresenta
grande
plasticidade
ecológica,
conseguindo
sobreviver
pequenos
fragmentos
impactados
diversas
atividades
antrópicas
proximidade
humanos,
é
caso
mesmos.
Portanto,
necessário
vigilância
epidemiológica
potenciais
zoonóticos,
dentro
abordagem
única.
Frontiers in Veterinary Science,
Journal Year:
2024,
Volume and Issue:
11
Published: Aug. 7, 2024
is
an
intracellular
blood
parasite
that
affects
various
bird
species
globally
and
transmitted
by
blackfly
vectors.
This
responsible
for
leucocytozoonosis,
a
disease
results
in
significant
economic
losses
due
to
reduced
meat
egg
production.
There
limited
knowledge
about
the
epidemiological
pattern
of
leucocytozoonosis
its
causative
Egypt,
particularly
pigeons.