Annals of Animal Science,
Journal Year:
2022,
Volume and Issue:
23(1), P. 97 - 106
Published: Sept. 10, 2022
Abstract
The
present
study
evaluated
the
health
status
of
rainbow
trout
(30.24±5.34
g)
acclimated
to
high-saline
water
(28‰).
Among
adaptation
procedures,
gradually-acclimated
(for
48
h)
fish
showed
best
performance,
which
were
then
introduced
offshore
cage-farm
for
further
monitoring
in
marine
environment
over
a
long-term
period
100
days,
until
harvest
weight
319.9±48.51
g.
Fish
and
welfare
was
by
means
biochemical
parameters
(viscerasomatic
index,
hepatosomatic
mesenteric
fat
spleen
somatic
index),
hematological
(serum
glucose,
triglyceride,
cholesterol,
total
protein,
albumin,
globulin),
immune
(lysozyme,
myeloperoxidase,
respiratory
burst
potential
killing
values).
Gradual
acclimation
did
not
show
any
adverse
effects
on
parameters.
No
significant
differences
found
biometric
measures
(P>0.05).
However,
time-dependent
increase
recorded
hematology
markers
(P<0.05)
after
seawater
transfer,
improved
long
term
from
March
7
June
14,
2018.
All
serum
markers,
except
protein
alterations
but
without
detrimental
influence
day
100.
Therefore,
it
seems
possible
expand
farms
brackish
sites
higher
saline
environments
up
28‰
salinity,
with
no
impacts
health,
that
turn
may
significantly
contribute
extension
aquaculture
wider
areas.
Reviews in Aquaculture,
Journal Year:
2022,
Volume and Issue:
15(2), P. 704 - 737
Published: Nov. 10, 2022
Abstract
Farmed
fish
are
a
promising
source
of
high‐quality
and
sustainable
protein.
However,
the
production
farmed
products
that
meet
food
safety
standards
is
one
major
public
health
challenges
worldwide.
Therefore,
management
in
farms
has
recently
garnered
increasing
attention.
detection
parameters
currently
lacking.
Haematology,
an
approach
widely
used
humans,
provides
reliable
assessment
status
non‐lethal
low‐cost
way.
Nevertheless,
comprehensive,
systemic
standard
haematological
have
not
yet
been
established
fish.
Here,
we
provide
summary
recent
advancements
haematology
indicators
Generally,
based
on
physiological
biochemical
indices
blood.
After
global
review
fish,
analysed
research
progress
current
trends
explored
their
potential
application
for
healthy
farming.
Furthermore,
discuss
internal
external
environmental
factors
also
affect
blood
indices.
Finally,
future
Collectively,
topics
discussed
this
highlight
predictive
severely
underrated
value
BMC Veterinary Research,
Journal Year:
2024,
Volume and Issue:
20(1)
Published: July 18, 2024
Abstract
Total
protein
levels
in
fish
are
widely
used
health
and
welfare
studies,
providing
a
simple
accessible
measure.
However,
the
multifaceted
role
of
blood
proteins
makes
it
sometimes
challenging
to
link
total
content
specific
issues,
while
fractions
may
offer
more
precise
insights
into
biology
health,
particularly
farmed
species
where
such
data
is
often
lacking.
Data
were
gathered
from
two
experiments
involving
Dicentrarchus
labrax
Sparus
aurata
,
key
European
marine
aquaculture.
The
aim
was
(1)
assess
how
different
globulin
contribute
(2)
these
contributions
vary
across
sampling
times
healthy
animals.
In
D.
beta1
fraction
emerged
as
major
contributor
(34.16%),
followed
by
albumin
alpha2
globulins
(18.24%
16.41%,
respectively).
contrast,
pre-albumins
alpha1
had
least
contribution
(5.49%
7.71%).
S.
exhibited
primary
(23.39%),
(19.71%
19.15%,
respectively),
with
gamma
contributing
(5.34%
8.63%).
Notably,
study
revealed
relatively
stable
within
both
species,
albeit
minor
variations
over
time,
potentially
linked
environmental
individual
factors.
Furthermore,
larger
displayed
higher
levels.
This
research
underscores
need
for
further
investigation
diverse
factors
influencing
proteins,
ultimately
enhancing
monitoring
species.
Veterinary Medicine and Science,
Journal Year:
2024,
Volume and Issue:
10(3)
Published: April 22, 2024
Abstract
Background
Astaxanthin
is
the
most
prevalent
carotenoid
in
marine
environment
and
widely
used
as
an
additive
formulated
aquafeeds.
Objectives
A
60‐day
feeding
trial
was
conducted
to
consider
effect
of
dietary
nanoliposome‐coated
astaxanthin
(NA)
on
haematological
parameters,
serum
antioxidant
activities
immune
responses
rainbow
trout,
Oncorhynchus
mykiss
.
Methods
total
450
healthy
fish
weighing
31.00
±
2.09
g
were
randomly
assigned
triplicate
(30
per
replicate)
5
treatments:
0
(control),
25.00,
50.00,
75.00,
100.00
mg
kg
−1
NA.
Results
Fish
fed
diet
supplemented
with
50.00
NA
exhibited
highest
values
red
blood
cells,
white
haemoglobin
haematocrit
1.64
0.01
×
10
6
mm
−3
,
5.54
0.21
3
8.73
0.24
dL
46.67%
0.88%,
respectively,
which
significantly
higher
than
those
basal
(
p
<
0.05).
The
lowest
percentages
lymphocytes
(67.67%
0.33%)
neutrophils
(27.33%
1.20%)
also
obtained
compared
receiving
revealed
activity
superoxide
dismutase,
catalase,
glutathione
peroxidase,
lysozyme
alternative
complement
level
cholesterol,
cortisol,
aspartate
aminotransferase
alanine
Serum
immunoglobulin
(Ig)
ACH50
contents
increased
increasing
supplementation
43.17
1.46
293.33
2.03
U
mL
50
Conclusions
Supplementation
trout
at
a
positive
capacity
responses.
Administration
such
dosage
can
enhance
against
unfavourable
or
stressful
conditions,
for
example
disease
outbreaks,
hypoxic
condition,
thermal
stress
sudden
osmotic
fluctuations,
usually
happen
intensive
culture
system.
Animals,
Journal Year:
2025,
Volume and Issue:
15(9), P. 1265 - 1265
Published: April 29, 2025
Hematological
studies
provide
essential
information
about
the
health
of
animals,
which
is
crucial
for
veterinary
medicine,
scientific
research,
and
aquaculture.
Automatic
hematological
analyzers
are
an
alternative
to
manual
methods,
offering
faster
more
reliable
results.
The
objective
this
study
was
validate
Sysmex
XN-1000V
automatic
hematology
analyzer
blood
samples
from
rainbow
trout
(Oncorhynchus
mykiss),
examine
effects
two
anticoagulants
(K2EDTA
lithium
heparin),
establish
normal
reference
values
fish
species.
Additionally,
comparative
were
conducted
between
methods
(hemocytometer
cell
count
smear
estimation),
intervals
established.
Ninety-nine
heparinized
analyzed
validation
sample
stability
tests.
results
showed
extremely
good
precision,
with
a
coefficient
variation
(CV)
below
3%
RBCs,
HGB,
HCT
less
than
5%
non-RBC
cells
(leukocytes
plus
thrombocytes).
However,
heterophils
(%)
exhibited
higher
variability,
CV
15.08%.
Linearity
excellent,
carry-over
1%
all
parameters.
test
indicated
that
could
be
up
48
h
when
stored
at
4
°C
24
room
temperature.
Non-RBC
first
degrade
over
time.
automated
demonstrated
correlation
agreement,
validating
analyzer’s
accuracy.
anticoagulants,
K2EDTA
heparin,
on
also
studied.
Heparin
preferred
anticoagulant
routine
analysis
analyzer.
In
conclusion,
enables
complete
hemogram
analyses
performed
quickly
accurately,
standardizing
techniques,
harmonizing
results,
providing
O
mykiss
blood.
Fishes,
Journal Year:
2022,
Volume and Issue:
7(2), P. 89 - 89
Published: April 13, 2022
The
antimicrobial
and
immunostimulant
proprieties
of
aromatic
plant
extracts
have
been
widely
described,
but
their
effects
on
serum
blood
biochemistry
in
fish
not.
For
this
study,
we
assessed
the
changes
biochemical
parameters
rainbow
trout
fed
with
a
diet
supplemented
basil
supercritical
extract
(F1-BEO).
Our
hypothesis
was
that
treatment
time
would
be
associated
10
parameters.
F1-BEO
added
to
commercial
feed
(0.5,
1,
2,
3%
w/w).
were
for
30
days,
samples
collected
at
2
points
(15
days).
A
two-way
ANOVA
showed
significant
effect
treatment,
time,
interaction
×
creatinine,
urea,
total
protein,
albumin,
magnesium,
phosphorus
(p
<
0.05),
both
cholesterol
(CHOL),
glutamic
oxaloacetic
transaminase
(GOT),
pyruvic
(GPT)
levels,
triglycerides
0.05).
While
several
observed,
levels
remained
within
normal
range
trout.
Notably,
after
days
there
decrease
CHOL
treated
0.5%
1%
w/w
statistically
non-significant
increase
GOT
GPT
up
indicated
positive
liver
health.
findings
suggest
potential
use
(for
example.,
F1-BEO)
reduce
antibiotic
improve
welfare.
