Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Dec. 30, 2024
The
inclusion
of
microalgae
in
functional
fish
diets
has
a
notable
impact
on
the
welfare,
metabolism
and
physiology
organism.
microbial
communities
associated
with
are
directly
influenced
by
host's
diet,
further
understanding
mucosal
microbiota
is
needed.
This
study
aimed
to
analyze
skin
gills
Sparus
aurata
fed
diet
containing
10%
microalgae.
Sequencing
V3-V4
variable
region
16S
rDNA
molecules
was
employed
determine
composition
communities.
bioinformatics
tools
explore
taxonomic
interactions
microbiota,
emphasizing
integration
analysis
abundance
correlation
networks
as
crucial
for
community
dynamics
diets.
results
indicated
that
there
were
not
changes
gill
microbiota.
However,
differences
observed
bacterial
interaction
networks.
exhibited
distinct
overall
patterns
their
respective
environments
functions.
network
showed
highly
connected
redundant
structure,
increasing
its
resilience,
while
more
fragmented
suggesting
potentially
greater
vulnerability
perturbations.
Key
taxa,
such
Acinetobacter
Polaribacter,
identified
critical
maintaining
stability
functionality
these
ecosystems.
Polaribacter
could
demonstrate
potential
protection
against
pathogens
through
negative
interactions.
These
tentative
studies
open
up
an
additional
avenue
consider,
among
communities,
well
new
proposals
corroborate
findings.
observations
underline
importance
within
groups
fully
grasp
Fishes,
Journal Year:
2025,
Volume and Issue:
10(2), P. 47 - 47
Published: Jan. 27, 2025
The
aquafeed
industry
evolved
alongside
fish
farming,
utilizing
scientific
and
technological
advancements
to
incorporate
a
variety
of
feed
additives,
supplements,
alternative
ingredients
in
the
nutrition
feeding
aquaculture.
These
advances
played
significant
role
improving
production,
health,
welfare
farmed
fish.
Recent
research
Brazil
highlighted
importance
using
such
as
vitamins,
minerals,
amino
acids,
ensure
that
receive
all
necessary
nutrients
for
growth
health.
Functional
additives
can
enhance
immune
system,
boosting
disease
resistance
promoting
overall
health
Antimicrobial
antiparasitic
help
prevent
treat
infections
infestations,
reducing
occurrence
outbreaks.
Additionally,
some
improve
digestibility,
leading
better
nutrient
absorption
reduced
requirements.
Overall,
nutritional
strategies
are
essential
optimizing
farming
practices
globally,
sustainability
industry.
This
review
emphasizes
significance
certain
strategically
incorporated
into
experimental
feeds
Brazilian
farming.
It
also
underscores
necessity
ongoing
research.
There
is
noticeable
trend
towards
developing
more
sustainable
efficient
feeds,
which
future
goal
minimize
environmental
impacts
while
maintaining
economic
viability
aquaculture
operations.
Aquaculture,
Journal Year:
2024,
Volume and Issue:
592, P. 741208 - 741208
Published: June 11, 2024
The
objectives
of
this
study
were
to
evaluate
the
in
vitro
protein
hydrolysis
five
algae
(Arthrospira
sp.,
Chlorella
Tisochrysis
Microchloropsis
sp.
and
Ulva
rigida)
by
digestive
proteases
Scophthalmus
maximus,
assess
effect
feeding
turbot
juveniles
on
diets
supplemented
with
these
a
60-day
trial.
results
revealed
that
algal
was
hydrolysed
proteases.
Besides,
quantification
total
amino
acids
released
during
evidenced
noticeable
acid
bioavailability,
mainly
case
Arthrospira
up
42.7%
after
120
min
hydrolysis.
However,
structural
characteristics
cell
wall
each
species
influenced
accessibility
as
lower
values
obtained
For
vivo
trial,
255
specimens
turbot,
an
average
initial
weight
26.4
±
7.6
g,
used,
fed
including
5%
10%
blend
same
microalgae
tested
(M5
M10)
or
U.
rigida
(U5
U10),
compared
control
feed
without
biomass
(CT).
At
end
growth
performance
nutrient
utilization
did
not
show
differences
among
experimental
groups.
In
addition,
fish
showed
lipid
oxidation
muscle,
improvement
functionality,
activity
pancreatic
intestinal
enzymes
increased.
ultrastructural
mucosa
increase
length
microvilli
absorptive
surface
algae-supplemented
diets,
well
decreased
thickness
lamina
propria
number
goblet
cells.
These
confirmed
supplementation
juvenile
low
percentage
is
appropriate
for
improving
reducing
lipids
muscle.
Animals,
Journal Year:
2021,
Volume and Issue:
11(7), P. 1919 - 1919
Published: June 28, 2021
By
answering
the
need
for
increasing
sustainability
in
aquaculture,
present
study
aimed
to
compare
growth,
gene
expression
involved
appetite
regulation,
physical
characteristics,
and
chemical
composition
of
Sparus
aurata
fed
alternative
protein
sources.
Fish
were
ten
iso-proteic,
iso-lipidic,
isoenergetic
diets:
a
vegetable-based
(CV)
marine
ingredient-rich
(CF)
diet
set
as
control
diets.
The
others
prepared
by
replacing
graded
levels
(10,
20
or
40%)
vegetable
proteins
CV
with
from
commercial
defatted
Hermetia
illucens
pupae
meal
(H),
poultry
by-product
(PBM)
singly
(H10,
H20,
H40,
P20,
P40)
combination
(H10P30),
red
swamp
crayfish
(RC10)
blend
(2:1,
w:w)
Tisochrysis
lutea
Tetraselmis
suecica
(MA10)
dried
biomasses.
increase
ghre
observed
MA10
fish
matched
increased
feed
intake
conversion
ratio.
Besides,
conferred
lighter
aspect
skin
(p
<
0.05)
than
others.
Overall,
no
detrimental
effects
H,
PBM,
RC
included
diets
observed,
fatty
acid
profile
resulted
comparable
among
these
groups
CV,
thus
demonstrating
possibility
introduce
partial
replacement
aurata.
Foods,
Journal Year:
2021,
Volume and Issue:
10(5), P. 910 - 910
Published: April 21, 2021
This
study
evaluates
the
potential
of
different
algae
extracts
(Crassiphycus
corneus,
Cc;
Ulva
ohnoi,
Uo;
Arthrospira
platensis,
Ap;
Haematococcus
pluvialis,
Hp)
as
additives
for
preservation
rainbow
trout
fillets.
The
were
prepared
with
water
to
ethanol
ratios
from
four
species.
highest
ferric
reducing
antioxidant
power
(FRAP)
was
observed
in
Uo
extracted
80%
ethanol.
Ap
aqueous
extract
also
had
considerable
FRAP
activity,
agreement
a
high
total
phenolic
content.
Radical
scavenging
activity
(DPPH)
higher
Cc
extract,
carotenoid
In
fact,
when
assayed
on
fish
fillets,
their
exceeded
that
ascorbic
acid
(ASC).
All
delayed
microbial
growth
and
lipid
oxidation
processes
fillets
throughout
cold
storage
period
compared
controls,
improved
textural
parameters,
these
effects
being
more
evident
Hp.
With
respect
color
Hp
prevented
a*
values
(redness)
decreasing
storage,
key
point
it
comes
colored
species,
not
least
salmonids.
On
other
hand,
effective
rest
treatments
avoiding
b*
decrease
period,
thereby
parameters
impaired.
results
obtained,
together
natural
origin
viability
large-scale
cultivation,
make
interesting
preservative
agents
food
industry.
Aquaculture Nutrition,
Journal Year:
2022,
Volume and Issue:
2022, P. 1 - 15
Published: Nov. 3, 2022
The
application
potential
of
spirulina
meal
in
aquaculture
feeds
has
been
well
summarized
several
descriptive
reviews.
Nevertheless,
they
converged
on
compiling
results
from
all
possible
relevant
studies.
Little
available
quantitative
analysis
regarding
the
pertinent
topics
reported.
This
meta-analysis
was
performed
to
investigate
influences
dietary
(SPM)
addition
responsive
variables
animals,
including
final
body
weight
(FBW),
specific
growth
rate
(SGR),
feed
conversion
ratio
(FCR),
protein
efficiency
(PER),
condition
factor
(CF),
and
hepatosomatic
index
(HSI).
pooled
standardized
mean
difference
(Hedges’
)
95%
confidence
limit
were
computed
quantify
primary
outcomes
based
random-effects
model.
sensitivity
subgroup
analyses
carried
out
evaluate
validity
effect
size.
meta-regression
conducted
optimal
inclusion
SPM
as
a
supplement
upper
threshold
usage
for
substituting
fishmeal
animals.
indicated
that
whole,
significantly
improved
FBW,
SGR,
PER;
statistically
decreased
FCR
animals;
had
no
significant
influence
CF
HSI.
growth-enhancing
form
additive
significant;
however,
indistinctive
feedstuff.
Furthermore,
displayed
levels
fish
shrimp
diets
1.46%-2.26%
1.67%,
respectively.
Additionally,
up
22.03%-24.53%
14.95%-24.85%
substitute
did
not
have
negative
utilization
shrimp,
Therefore,
is
promising
growth-promoting
sustainable
shrimp.
Algal Research,
Journal Year:
2024,
Volume and Issue:
82, P. 103669 - 103669
Published: Aug. 1, 2024
Microalgal
diversity
enables
the
possibility
to
employ
them
in
technological
applications,
as
widely
shown
by
modern
literature.
While
there
exists
an
extensive
body
of
literature
concerning
applications
microalgae,
scientific
knowledge
microalgal
species
remains
relatively
limited.
Therefore,
is
still
potential
for
unlocking
new
opportunities
through
study
biodiversity,
particularly
Mediterranean
region,
which
unique
because
its
sub
regional
diversity.
some
studies
have
assessed
microalgae
distribution
area,
and
others
focused
on
specific
aspects
their
technical
exploitation,
this
review
seeks
offer
a
comprehensive
overview
isolated
applications.
Microalgae
from
area
share
common
characteristics,
such
low
half-saturation
constants
acclimation
high
light
intensity,
making
ideal
search
purposes
can
help
biodiversity
conservation,
numerous
remain
underexplored,
offering
innovative
However,
key
finding
critical
analysis
that
region
true
richness,
allowing
versatile
across
various
processes.
The
work
focuses
i.e.,
having
coastlines
along
Sea
aquatic
coming
water
with
different
salinity
levels.
This
offers
intrinsic
ecological
perspective
provides
fresh
outlook
sector,
promoting
expansion
development
sustainable
bio-industries.
•
A
large
spread
guaranteed
habitat
differences.
Technology
exploitsthe
peculiarity
several
fields.
characteristics
exploit.
trend
outputs
over
past
years
examined.
Aquaculture Reports,
Journal Year:
2022,
Volume and Issue:
25, P. 101248 - 101248
Published: July 7, 2022
The
aim
of
this
work
was
to
evaluate
the
effects
on
growth
performance,
intermediary
metabolism
and
welfare
inclusion
two
commercial
microalgae-based
ingredients
called
LB-ChromaBream
(LB-CB)
LB-ChromaBream-plus
(LB-CBplus)
in
diet
gilthead
seabream
(Sparus
aurata)
close
size.
For
purpose,
fish
~182
g
initial
body
mass
were
fed
satiety
(ad
libitum)
for
41
days
with
three
different
diets:
(i)
CONTROL
(CTRL),
a
commercial-like
formulation;
(ii)
LB-CB
diet,
10
%
microalgal
product;
(iii)
LB-CBplus
same
product
but
enzymatically
hydrolysed
increase
bioavailability
nutrients.
results
obtained
show
that
use
these
products
leads
an
overall
improvement
productive
parameters
terms
(15
SGR)
feed
efficiency
(11
%),
as
well
significant
reduction
circulating
cortisol
diet.
Observations
plasma
liver
metabolites,
particularly
hepatic
metabolic
enzymes,
collectively
indicate
microalgae
supplementation
lead
better
carbohydrates
source
energy
other
tissues,
potentially
sparing
triglycerides
within
tissue,
channelling
fuels
growth.
Finally,
specimens
supplemented
diets
experienced
substantial
intestinal
health,
achieved
by
longer
intestines,
higher
transepithelial
resistance
apparent
permeability
measured
electrophysiological
methods,
especially
those
LB-CBplus,
which
could
explain
performance
improving
nutrient
assimilation.
In
conclusion,
study
shows
experimental
feeds,
one
containing
biotechnologically
treated
microalgae,
are
suitable
some
important
indicators
physiological
condition
seabream,
thus
revealing
potential
their
new
functional
feeds
species
at
advanced
stage
production
cycle.
