Aquaculture Research,
Год журнала:
2022,
Номер
53(14), С. 5053 - 5062
Опубликована: Июль 11, 2022
Archaeal
carotenoids,
as
novel
bioactive
compound,
are
stronger
free
radical
scavenger.
The
effects
of
archaea
Halorubrum
carotenoids
on
skin
coloration,
antioxidative
status
and
immune-related
genes
expression
golden
trout
Oncorhynchus
mykiss
were
investigated.
In
total,
420
fish
(10.90
±
0.06
g)
divided
into
three
groups
with
four
replicates,
fed
commercial
diets
containing
0
(Ctrl),
25
mg/kg
(P25)
50
mg
archaeal
carotenoids/kg
feed
(P50)
for
8
weeks.
Although
no
significant
difference
was
observed
growth,
the
had
significantly
higher
yellowness
carotenoid
content
(p
<
0.05)
in
skin.
Compared
Ctrl
group,
total
antioxidant
capacity
(T-AOC)
serum
enhanced
P25
P50
0.05),
but
lysozyme
activity
obtained
>
0.05).
liver,
catalase
decreased
group
T-AOC
superoxide
dismutase
not
regulated
by
improvement
liver
glutathione
peroxidase
observed,
while
malondialdehyde
After
ammonia
exposure
Aeromonas
hydrophilia
challenge,
survival
groups,
associating
reducing
pro-inflammation
cytokines
il-1β,
enhancing
anti-inflammation
tgf-β
hsp70.
However,
stress
pathogenic
challenge
caused
opposite
trends
tnf-α.
Our
study
confirmed
beneficial
role
immune
systems
trout,
provided
evidence
potential
application
this
health
management
aquaculture.
Animals,
Год журнала:
2025,
Номер
15(2), С. 192 - 192
Опубликована: Янв. 13, 2025
Feeding
frequency
is
crucial
for
the
growth
and
development
of
white
shrimp
(Litopenaeus
vannamei)
at
various
life
stages.
Although
higher
feeding
frequencies
can
enhance
growth,
manual
methods
significantly
increase
labor
costs.
Automatic
systems
offer
a
cost-effective
efficient
alternative,
yet
their
application
in
intensive
culture
remains
under-researched.
This
study
evaluates
different
L.
vannamei
aquaculture
tanks,
focusing
on
performance,
survivability,
feed
utilization,
digestive
antioxidant
capacities,
economic
viability.
Juvenile
(3.85
±
0.3
g)
were
cultured
63
days
with
6,
8,
10,
12
times/day
(A6,
A8,
A10,
A12
groups,
respectively)
using
automatic
feeders,
control
group
fed
manually
6
(M6).
Results
indicated
that
improved
final
body
weight,
specific
rate,
conversion
ratio
compared
to
feeding.
Among
A6
A8
showed
optimal
quadratic
regression
identifying
7.83
as
frequency.
While
enzyme
activity
remained
consistent
across
demonstrated
levels
(superoxide
dismutase
(SOD)
glutathione
peroxidase
(GPx))
lower
lipid
peroxidation
(MDA),
suggesting
superior
capacities.
Pearson's
correlation
confirmed
positive
relationship
between
SOD
GPx.
Economically,
achieved
highest
profitability.
Consequently,
6-8
feeders
recommended
an
feasible
strategy
this
stage.
Reviews in Aquaculture,
Год журнала:
2022,
Номер
15(2), С. 872 - 894
Опубликована: Ноя. 20, 2022
Abstract
Aquaculture
continues
to
expand
swiftly
and
remains
the
fastest‐growing
food
industry
worldwide
amidst
ever‐present
threats
from
chronic
stressors
emerging
diseases.
Nutrition
plays
a
pivotal
role
in
profitability
viability
of
aquaculture
that
steered
paradigm
shift
therapeutic
nutrition.
Carotenoids,
also
termed
tetraterpenoids,
have
garnered
considerable
attention
owing
their
attributes
immeasurable
health
benefits,
which
incited
surge
global
demand.
These
biological
pigments
are
recognized
promote
immune
systems
antioxidant
defence
mechanisms
both
aquatic
vertebrates
invertebrates.
This
review
brings
forth
existing
scientific
evidence
underscores
notable
roles
carotenoids
as
biologically
active
constituents
with
anti‐stress
immunostimulatory
potentials
farmed
animals
whilst
explicating
possible
action.
Empirical
data
unequivocally
established
modulatory
functions
on
endogenous
enzymes,
innate
adaptive
arms
response,
well
expression
multiple
immune‐related
genes.
The
comprehensive
information
presented
is
beneficial
deepen
our
understanding
utilization
potent
stress
alleviators
immunostimulants
cultured
animals,
translated
into
improved
health.
Advancements
animal
welfare
could
principally
contribute
reconstructing
more
sustainable
industry.
article
may
be
useful
for
subsequent
investigations
towards
further
advances
research
innovation
greener
blue
revolution
solving
challenge
security.
Frontiers in Microbiology,
Год журнала:
2021,
Номер
12
Опубликована: Ноя. 3, 2021
The
present
study
aimed
to
investigate
the
effect
of
dietary
astaxanthin
(Ast)
from
Phaffia
rhodozyma
on
growth
performance,
survival,
carotenoid
content,
activity
antioxidant
and
immune-related
enzymes,
intestinal
microbiota
comparison,
disease
resistance
against
Vibrio
parahaemolyticus
in
Penaeus
monodon
.
Juveniles
(average
weight
3.15
±
0.12
g)
were
fed
with
six
experimental
diets
supplemented
0
(Control),
20.5,
41,
61.5,
82,
102.5
mg/kg
Ast
(defined
as
diet
A–D)
triplicate
for
56
days.
results
indicated
that
shrimp
supplementation
significantly
(
p
<
0.05)
improved
performance
compared
control.
Furthermore,
increased
survival
decreased
feed
conversion
ratio
(FCR)
demonstrated
beneficial
effects
enhancing
nutrient
utilization
ultimately
improving
shrimp.
including
developed
a
deeper
red
color
than
control,
consistent
deposition
shell.
Hemolymph-immunological
parameters
[aspartate
aminotransferase
(AST),
alanine
(ALT),
alkaline
phosphatase
(AKP)]
hepatopancreatic
status
[total
capacity
(T-AOC),
malondialdehyde
(MDA),
catalase
(CAT),
superoxide
dismutase
(SOD)]
affected
by
supplementation.
Dietary
increasing
levels
V.
according
LT
50
current
study,
which
may
be
caused
total
contents
tissues
all
Ast-supplemented
treatments.
Conversely,
biodiversity
richness
not
Ast.
best
performances
growth,
status,
immunological
response,
observed
E
F
among
Overall,
data
suggested
P.
played
critical
role
achieving
desired
coloration,
keeping
better
health
Based
these
positive
performances,
could
gain
trust
consumers
natural
source
provide
potential
alternative
synthetic
using
culture
industry.
Antioxidants,
Год журнала:
2022,
Номер
11(7), С. 1220 - 1220
Опубликована: Июнь 22, 2022
Barranca
yajiagengensis,
a
novel
filamentous
microalga,
can
accumulate
lutein
under
high-light
and
low-nitrogen
conditions.
It
is
well
known
that
has
antioxidant,
anti-inflammatory
immune-modulating
properties.
The
purpose
of
this
study
to
evaluate
the
effects
including
lutein-rich
B.
yajiagengensis
powder
in
diet
Trachinotus
ovatus
on
growth
performance,
antioxidant
capacity,
immunity,
liver,
intestinal
morphology.
For
aim,
three
experimental
diets
containing
0%
(BY0),
1%
(BY1),
5%
(BY5)
were
formulated
for
six-week
feeding
trials.
results
indicated
feed
utilization,
morphology
not
affected
by
different
treatments.
Fish
fed
with
BY5
promoted
ability
activating
Nrf2-ARE
signal
pathway
enhancing
enzymes
activities.
Furthermore,
improved
non-specific
immunity
antibacterial
lysozymes
complement
system
increasing
nitric
oxide
(NO)
content
total
synthase
activity.
Dietary
supplementation
liver
exerted
hepatoprotective
effects.
Therefore,
as
natural
source
lutein,
potential
safe
non-toxic
immunostimulant
T.
ovatus.
A
supplemented
recommended
improve
growth,
immune
response,
health
Aquaculture and Fisheries,
Год журнала:
2024,
Номер
unknown
Опубликована: Фев. 1, 2024
Chinese
mitten
crab,
Eriocheir
sinensis,
is
a
commercially
ecological
crab
species
in
China.
Ovaries
are
one
of
the
major
edible
parts
for
female
E.
and
their
color
flavor
primarily
affect
consumer
acceptance.
This
study
investigated
effects
different
dietary
carotenoids
on
odor
quality
adult
sinensis
ovaries.
The
was
fed
experiment
diets
with
supplementation
100
×10−6
β-carotene,
astaxanthin,
lutein,
canthaxanthin
zeaxanthin,
respectively,
70
days,
while
control
diet
without
carotenoids.
results
showed
that
generated
an
orange-red
coloration
ovaries,
astaxanthin
significantly
increased
redness
(P
<
0.05).
All
carotenoid
groups
had
higher
total
fatty
acid
contents
than
group.
Moreover,
β-carotene
promoted
ovarian
deposition,
lutein
predominantly
affected
accumulation
accumulated
more
aroma
components
(alcohols,
ketones,
aldehydes)
by
regulating
metabolism
acids
These
show
potential
substitute
promoting
coloration,
can
improve
ovaries
sinensis.
