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.
Frontiers in Sustainable Food Systems,
Journal Year:
2024,
Volume and Issue:
8
Published: May 1, 2024
The
use
of
natural
immunostimulants
in
aquaculture
is
intended
to
foster
overall
health
and
bolster
resilience
against
diseases
farmed
fish
populations.
It
constitutes
a
crucial
strategy
that
can
contribute
securing
the
sustainability
industry,
it
an
area
warrants
ongoing
exploration
development.
Therefore,
aim
present
work
was
evaluate
effect
dietary
administration
olive
pulp
on
growth
rate,
metabolic
profile,
serum
antioxidant
potential,
humoral
cellular
innate
immune
parameters
gilthead
seabream
(
Sparus
aurata
L.).
For
this,
were
fed
control
diet
or
enriched
diets
(50,
100,
200
mg
kg
feed
−1
)
for
4
weeks.
Our
results
demonstrated
highest
inclusion
level
improved
rates
biological
potential
fish.
However,
after
weeks
feeding,
most
assayed
(Ca
2+
,
TP,
ALB,
K
+
Na
increased
with
containing
lowest
(50
).
Regarding
parameters,
IgM
levels
decreased
50′s
2
trial.
100
showed
increase
hemolytic
complement
activity
whilst
this
only
sustained
200′s
group
After
peroxidase
due
inclusion.
Concerning
activity,
respiratory
burst,
phagocytic
ability
head-kidney
leucocytes
100′s
at
compared
values
from
These
suggest
pulp-enriched
benefit
growth,
antioxidant,
status
seabream.
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.
