Izvestiya of Samara Scientific Center of the Russian Academy of Sciences,
Journal Year:
2023,
Volume and Issue:
25(5), P. 58 - 70
Published: Jan. 1, 2023
A
comparative
analysis
of
leukograms
and
morphometric
features
blood
cells
three
species
tortoises
from
the
Samara
Zoo
was
carried
out:
Testudo
horsfi
eldii
Gray,
1844;
Geochelone
elegans
(Schoepff,
1795);
Chelonoidis
carbonarius
(Spix,
1824).
Interspecies
statistically
signifi
cant
differences
in
total
content
agranulocytes
granulocytes
were
revealed.
The
leukocyte
profi
le
indicated
a
pronounced
innate
immune
response
more
active
cell-mediated
adaptive
C.
carbonarius.
According
to
totality
integral
indicators
le,
most
stable
balanced
noted
T.
eldii.
variability
karyocytometric
parameters
turtle
share
area
cell
nuclei,
depending
on
itself,
highest
for
different
species:
(basophils),
G.
(platelets),
(eosinophils).
(with
exception
eosinophils)
nuclearcytoplasmic
ratios
same
type
varied.
higher
metabolic
activity
established
comparison
with
Animals,
Journal Year:
2025,
Volume and Issue:
15(5), P. 628 - 628
Published: Feb. 21, 2025
Variations
in
the
ecological
roles
of
sea
turtle
species
may
lead
to
differentiations
ocular
design
and
visual
sensitivity
colour
spectrum.
Behavioural
preference
studies
air
water
on
hatchling
post-hatchling
green
turtles
found
evidence
a
blue
hue
attractiveness
when
given
choice
between
blue,
red,
yellow.
This
paper
assessed
compared
preferences
singular
colours
via
behavioural
responses
eleven
hawksbill
twelve
at
15
months
age
22
age.
Turtles
were
presented
with
one
coloured
balloon
per
day
(purple
(400–450
nm),
dark
(450–490
cyan
(490–520
(520–560
yellow
(560–590
orange
(590–635
red
(635–700
nm)).
Time
contact
balloons
beak
behaviours
exhibited
by
recorded.
Hawksbill
had
greatest
level
interactions
across
both
phases
shorter
wavelengths
being
450
490
nm.
Green
consistently
interaction
longer
nm)
preference.
The
results
this
study
support
differences
two
co-occurring
that
reflect
an
adaptive
for
associated
optimal
foraging
niche
each.
Conservation Physiology,
Journal Year:
2022,
Volume and Issue:
10(1)
Published: Jan. 1, 2022
Abstract
Animal
health
is
directly
linked
to
population
viability,
which
may
be
impacted
by
anthropogenic
disturbances
and
diseases.
Reference
intervals
(RIs)
for
haematology
blood
biochemistry
are
essential
tools
the
assessment
of
animal
health.
However,
establishing
interpreting
robust
RIs
threatened
species
often
challenged
small
sample
sizes.
Bayesian
predictive
modelling
well
suited
size
limitations,
accounting
individual
variation
interactions
between
influencing
variables.
We
aimed
derive
baseline
green
turtles
(Chelonia
mydas)
across
two
foraging
aggregations
in
North
Queensland,
Australia,
using
generalized
linear
mixed-effects
models
(n
=
97).
The
predicted
were
contained
within
previously
published
values
had
narrower
credible
intervals.
Most
analytes
did
not
vary
significantly
with
ground
(76%,
22/29),
body
mass
(86%,
25/29)
or
curved
carapace
length
(83%,
24/29).
Length
effects
found
eosinophils,
heterophil:lymphocyte
ratio,
alkaline
phosphatase,
aspartate
transaminase
urea.
Significant
differences
grounds
albumin,
cholesterol,
potassium,
total
protein,
triglycerides,
uric
acid
calcium:phosphorus
ratio.
provide
derived
turtles,
will
helpful
future
assessments
conservation
efforts.
Future
RI
studies
on
would
benefit
from
adapting
established
veterinary
biomedical
standards.
Revista Científica de la Facultad de Ciencias Veterinarias,
Journal Year:
2024,
Volume and Issue:
XXXIV(1), P. 1 - 6
Published: Jan. 29, 2024
Existen
varios
estudios
sobre
análisis
hematológicos
en
tortugas
marinas
a
nivel
mundial
que
permiten
evaluar
el
estado
de
salud
sus
poblaciones.
El
resultado
estos
constituye
primer
indicio
alguna
alteración
fisiológica
reptiles.
Es
importante
destacar
valores
pueden
variar
por
diversas
razones
como
ubicación
geográfica,
especie,
población,
tamaño,
entre
otros.
En
Venezuela,
la
mayoría
los
perfiles
sanguíneos
se
han
dirigido
individuos
adultos.
presente
estudio
tiene
objetivo
describir
hemogramas
ejemplares
inmaduros
tortuga
verde
(Chelonia
mydas)
capturados
incidentalmente
Golfo
Venezuela
puertos
pesqueros
artesanales.
Se
analizaron
muestras
sanguíneas
28
años
2009
–
2012.
promedio
del
Largo
Curvo
Caparazón
fue
36,06
±
16,15
cm,
considerándose
su
totalidad
inmaduros.
Las
variables
hematológicas
registradas
mostraron
dentro
intervalos
referentes
para
especie
según
realizados
zona;
con
excepción
algunos
presentaron
hematocrito,
RGR
(106·μL-1),
heterófilos,
eosinófilos,
monocitos
y
linfocitos
superiores.
Los
resultan
una
herramienta
diagnóstica
rápida
económica,
permite
evaluar,
detectar
descartar
amplia
variedad
enfermedades.
Estos
esfuerzos
permitirán
diferenciar
enfermos
sanos
cambios
parámetros
procesos
fisiológicos,
crecimiento,
estatus
hormonal
estrés.
función
hallazgos
patológicos
poder
definir
estrategias
rehabilitación
seguimiento
ejemplares.
Frontiers in Ecology and Evolution,
Journal Year:
2024,
Volume and Issue:
12
Published: July 10, 2024
Fibropapillomatosis
(FP)
is
a
debilitating
tumoral
disease
affecting
sea
turtles
worldwide.
While
mainly
afflicting
immature
individuals
and
potentially
altering
vital
functions,
the
precise
impact
of
this
panzootic
on
turtle
health
survival
remains
unclear.
Moreover,
etiological
factors
implicated
in
FP
emergence,
development
transmission
are
not
yet
definitively
identified.
Among
them,
an
infection
by
spreading
herpesvirus
contamination
pollutants
(either
organic
trace
elements)
suspected.
Here,
we
provide
overview
discoveries,
knowledge
propose
hypotheses
related
to
within
five
key
research
areas,
i.e.,
virology
studies,
host
genomic
veterinary
treatment
assays.
recommend
urgent
avenues
develop
at
interface
virology,
epidemiology,
ecotoxicology,
oncology,
physiology,
immunology,
cellular
evolutionary
biology,
order
characterize
dynamics
predict
its
consequences
populations.
Importantly,
extending
implementation
strong
collaborations
between
rehabilitation
centers,
field
biologists
laboratories
large
geographical
scale
required
rapidly
increase
our
work
towards
effective
management.
Ecology and Evolution,
Journal Year:
2022,
Volume and Issue:
12(12)
Published: Dec. 1, 2022
Loss
of
adipose
tissue
in
vertebrate
wildlife
species
is
indicative
decreased
nutritional
and
health
status
linked
to
environmental
stress
diseases.
Body
condition
indices
(BCI)
are
commonly
used
ecological
studies
estimate
mass
across
populations.
However,
these
have
poor
predictive
power,
which
poses
the
need
for
quantitative
methods
improved
population
assessments.
Here,
we
calibrate
bioelectrical
impedance
spectroscopy
(BIS)
as
an
alternative
approach
assessing
studies.
BIS
a
portable
technology
that
can
body
composition
from
measurements
widely
humans.
technique
requires
calibration
using
reference
method.
Using
sea
turtles
model
organisms,
propose
protocol
computed
tomography
(CT)
scans,
with
prediction
equation
being:
(kg)
=
-
(-0.03
[intercept]
0.29
*
length
Journal of Herpetological Medicine and Surgery,
Journal Year:
2023,
Volume and Issue:
33(4)
Published: Sept. 11, 2023
Historically,
juvenile
and
subadult
green
(Chelonia
mydas)
hawksbill
(Eretmochelys
imbricata)
sea
turtles
have
been
observed
in
the
waters
surrounding
St.
Kitts,
West
Indies,
year-round;
however,
no
formal
population
or
health
assessment
for
these
species
cohorts
Kitts
has
previously
conducted.
During
study
period
(2004–2017),
211
(158
hawksbills
53
greens)
were
captured
at
16
different
capture
sites
Kitts.
Once
on
shore
restrained,
morphometric
measurements
mass
collected,
untagged
animals
tagged,
a
was
performed.
Blood
samples
collected
used
to
establish
reference
intervals
hematological
biochemical
parameters.
These
reported
make
it
possible
incorporate
monitoring
programs
infectious
diseases
identify
any
trends
status.
The
morphometrics,
mass,
number
of
enable
sound
decision-making
as
relates
conservation
policy
development
implementation,
which
is
especially
important
countries
such
Nevis
where
an
open
harvest
still
exists.
Endangered Species Research,
Journal Year:
2023,
Volume and Issue:
53, P. 181 - 198
Published: Dec. 8, 2023
Blood
reference
intervals
(RIs)
provide
an
indication
of
systemic
health
and
are
central
to
any
baseline
survey.
RIs
available
for
all
sea
turtle
species,
except
the
flatback
Natator
depressus
.
We
developed
first
nesting
foraging
from
a
healthy
population
211
individuals.
found
were
generally
similar
other
published
RIs.
For
turtles,
we
detected
significant
differences
in
blood
values
(RVs)
by
life
stage
(nesting
vs.
foraging),
sex,
location,
as
well
measurement
technique
(laboratory
field).
Clinically
justified
establishment
separate
turtles
laboratory
field
techniques.
Clinical
application
these
individuals
rehabilitation
includes
disease
diagnosis,
monitoring,
development
prognostic
indicators.
As
regarded
sentinels
environmental
health,
data
will
also
be
useful
monitoring
future
studies
where
changes
may
indicate
environment
decline.
BULGARIAN JOURNAL OF VETERINARY MEDICINE,
Journal Year:
2024,
Volume and Issue:
27(4), P. 554 - 563
Published: Jan. 1, 2024
The
Caspian
pond
turtle,
Mauremys
caspica,
is
an
important
reptile
species
in
the
southern
basin
of
Sea.
Haematological
indices
and
serum
biochemistry
can
be
utilised
as
valuable
screening
tools
for
health
status
many
domestic
wild
animals.
In
this
study,
blood
parameters
were
measured
male
female
turtles
to
establish
physiologic
reference
ranges
selected
haematological
biochemical
M.
caspica.
For
purpose,
samples
collected
from
60
(30
males
30
females)
Significant
differences
observed
some
(i.e.
haemoglobin
haematocrit)
alkaline
phosphatase,
aspartate
aminotransferase,
creatine
kinase)
between
(P<0.05).
However,
further
research
necessary
elucidate
influence
size,
sex,
season,
habitat
variations
on
haemato-biochemical
turtle.