Frontiers in Marine Science,
Год журнала:
2024,
Номер
11
Опубликована: Дек. 23, 2024
Blue
foods
from
aquaculture
are
essential
in
bridging
the
protein
gap
to
feed
human
population
future.
However,
for
production
be
sustainable,
must
within
planetary
boundaries,
and
sourcing
of
sustainable
raw
materials
is
a
key
driver
production.
This
article
explores
role
single-cell
proteins
(SCPs)
derived
microorganisms
aquafeeds.
Three
main
aspects
discussed:
sustainability,
scalability
fermentation
technology,
fish
performance.
In
addition,
through
comprehensive
proof-of-concept
trial
with
rainbow
trout
(
Oncorhynchus
mykiss
),
this
demonstrates
SCP’s
efficacy
replacing
traditional
ingredients
without
compromising
growth
health.
The
trial’s
findings
demonstrate
high
digestibility
balanced
amino
acid
profile,
as
well
health
benefits
measured
oxidative
burst
response.
To
date,
commercial
adoption
SCP
has
been
hindered
by
costs
need
substantial
investments
scale
technologies.
sustainability
landscape
changing
large
industry
players
openly
commit
targets
realize
that
longer-term
investment
thinking
into
future
needed.
conclusion,
emerges
promising
avenue
aquafeeds,
offering
solution
supply
challenge
boundaries.
terms
environmental
benefit,
shows
clear
advantages
regarding
land
use,
carbon
emissions,
biodiversity
impact,
water
consumption.
Ultimately,
successful
integration
aquafeeds
could
significantly
contribute
industry’s
goals
play
an
securing
material
proteins.
Reviews in Fisheries Science & Aquaculture,
Год журнала:
2024,
Номер
32(3), С. 396 - 434
Опубликована: Фев. 29, 2024
A
variety
of
new
feed
ingredients
are
emerging
in
the
aquaculture
sector.
While
technology
readiness
these
options
varies
across
and
within
ingredient
classes,
it
remains
important
to
consider
them
terms
overall
spectrum.
In
this
review,
use
marine,
grain,
terrestrial
animal
by-product
a
range
novel
(e.g.,
bacterial
yeast)
resources
being
considered
as
potential
protein
feedstuffs
for
aquafeeds
is
explored.
comparing
nutritional
attributes
each
an
assessment
framework
applied
based
on
understanding
critical
knowledge
required
be
able
accommodate
any
formulation
process.
To
further
examine
different
classes
Strength-Weakness-Opportunity-and-Threats
(SWOT)
analysis
applied,
enable
some
consideration
what
future
may
exist
spectrum
risks
opportunities
they
bring.
It
noted
that
all
have
strengths
weaknesses,
there
no
such
thing
perfect
ingredient.
By
better
appreciating
positives
negatives
ingredient,
becomes
possible
increase
adaptability
responding
various
their
feeds.
Water,
Год журнала:
2023,
Номер
15(6), С. 1211 - 1211
Опубликована: Март 20, 2023
In
order
to
explore
the
effects
of
probiotics
on
water
quality,
growth
performance,
nonspecific
immunity,
digestion,
and
intestinal
flora
Macrobrachium
rosenbergii
in
biofloc
culture
system,
three
groups
(six
replicates
each
group)
were
set
up
divided
into
no
bacteria
(control
group,
Con),
Bacillus
subtilis
(BS),
effective
microorganisms
(EM)
current
experiment.
After
dissolution
water,
carbon
source
(glucose)
was
evenly
sprayed
aquaculture
tank
construct
a
with
C/N
15.
A
total
1260
giant
freshwater
prawn
(Macrobrachium
rosenbergii)
an
initial
body
weight
(2.09
±
0.03)
g
randomly
assigned
18
tanks
(70
per
tank).
BS
group
EM
significantly
reduced
nitrogen
concentration.
Both
increased
final
mean
weight,
gain,
specific
rate,
but
decreased
feed
conversion
rate
rosenbergii.
plasma
superoxide
dismutase,
lysozyme,
acid
phosphatase
contents,
malonaldehyde
content.
serum
content
trypsin
activity
Chao
ACE
index
species
richness.
abundance
Chloroflexi
Verrucomicrobiota.
Bacillus.
Overall,
adding
affected
microbial
community.
The
results
showed
that
is
good
probiotic
additive.
Trends in Food Science & Technology,
Год журнала:
2024,
Номер
147, С. 104426 - 104426
Опубликована: Март 23, 2024
Single
Cell
Protein
(SCP)
is
a
potential
replacement
for
traditional
protein
sources
in
both
food
and
feed.
This
review
specifically
focuses
on
SCP
produced
by
bacteria,
emphasizing
its
unique
advantages
such
as
rapid
growth,
high
content,
efficient
manufacturing,
genetic
flexibility,
thorough
strain
characterization.
Notably,
among
other
microorganisms,
Methylobacterium
species
have
recently
been
found
to
be
crucial
synthesis.
The
examines
the
feasibility
of
incorporating
sustainable
substitute
diets
aquaculture
cattle
production
closely
analyzing
fishmeal
soybean
meal.
Additionally,
it
highlights
importance
ongoing
research
supportive
legislation,
while
also
considering
economic
policy
factors
assess
financial
viability
production.
concludes
outlining
future
prospects
outlook
derived
from
species,
providing
forward-looking
perspective
evolving
applications
SCP.
Aquaculture Reports,
Год журнала:
2024,
Номер
35, С. 102021 - 102021
Опубликована: Март 9, 2024
The
development
of
sustainable
aquaculture
relies
on
replacing
marine
raw
materials
like
fish
meal
(FM)
and
oil
(FO).
Emerging
alternatives,
such
as
single-cell
proteins
alternative
lipids,
offer
promise.
This
study
explored
the
effects
partially
substituting
FM
with
10%
bacterial
protein
(Methylococcus
capsulatus)
completely
FO
a
blend
poultry
(PO)
DHA-rich
microalgae
in
European
sea
bass
(Dicentrarchus
labrax)
unselected
(WT)
selected
(HG)
genotypes.
results
indicated
that
had
no
adverse
impact
growth.
HG
group
demonstrated
better
growth
feed
conversion
due
to
genetic
selection.
also
analysed
dietary
genotype
body
lipid
composition
fatty
acid
profiles.
Notably,
lower
levels
major
acids
(EPA,
DHA,
n-3
FAs,
LC-PUFAs)
their
fillets,
but
not
whole-body
composition.
These
differences
influenced
sensory
qualitative
aspects.
Electronic
analyses
(the
first
e-sensory
profiling
conducted
for
purposes
fish)
showed
more
significant
diet
WT
group,
less
variable
pattern
e-tongue
score
group.
volatile
profiles
differences.
In
summary,
combining
genotypes
innovative
feeds
is
step
forward
aquaculture.
It
maximizes
nutrient
utilization,
enhances
growth,
improves
product
quality.
approach
becomes
increasingly
important
scenarios
limited
FM/FO
availability,
promoting
sustainability
Frontiers in Physiology,
Год журнала:
2023,
Номер
14
Опубликована: Май 15, 2023
Single-cell
ingredients
(SCI)
are
considered
promising
nutrient
sources
which
produced
using
environmentally
friendly
biotechnological
processes.
The
aim
of
the
current
study
was
to
evaluate
replacement
fishmeal,
plant
protein
sources,
and
fish
oil
with
SCI
in
organic
feeds
for
European
sea
bass
(Dicentrarchus
labrax).
Bacterial
protein,
yeast
microalgae
were
used
replace
fishmeal
trimmings,
soya
bean
meal,
from
trimmings.
Triplicate
groups
(30
per
replicate)
(14.4
±
2.4
g)
fed
experimental
diets
71
days.
results
showed
that
incorporation
at
all
levels
inclusion
significantly
enhanced
digestibility.
Additionally,
growth
performance
parameters
not
affected
by
inclusion,
exhibiting
similar
or
improved
values.
Moreover,
a
tendency
anterior
posterior
gut
structure
observed
significant
increase
lysozyme
activity
two
highest
determined.
Overall,
15%
(bacterial:
yeast:
algae-9.4:
4.7:
1)
is
possible
without
compromising
any
evaluated.
According
these
findings,
higher
substitution
trimmings
(D.
labrax)
can
be
further
evaluated
future
studies.
Journal of Fish Diseases,
Год журнала:
2024,
Номер
47(9)
Опубликована: Июнь 24, 2024
Abstract
Fish
meal
(FM)
replacement
is
essential
for
the
sustainable
expansion
of
aquaculture.
This
study
focussed
on
feasibility
replacing
FM
with
a
single‐cell
protein
(SCP)
derived
from
methanotrophic
bacteria
(
Methylococcus
capsulatus
,
Bath)
in
barramundi
fry
Lates
calcarifer
).
Three
isonitrogenous
and
isoenergetic
diets
were
formulated
0%,
6.4%
12.9%
inclusion
SCP,
by
25%
50%.
Barramundi
(initial
body
weight
2.5
±
0.1
g)
fed
experimental
21
days
to
assess
growth
performance,
gut
microbiome
composition
histopathology.
Our
findings
revealed
that
both
levels
SCP
induced
detrimental
effects
fry,
including
impaired
reduced
survival
compared
control
group
(66.7%
71.7%
50%,
respectively;
p
<
.05).
Both
dietary
treatments
presented
mild
necrotizing
enteritis
subepithelial
oedema
accumulation
PAS
positive,
diastase
resistant
droplets
within
hepatocytes
(ceroid
hepatopathy)
pancreatic
atrophy.
Microbiome
analysis
marked
shift
microbial
community
potential
opportunistic
genus
Aeromonas
.
Reduced
overall
performance
highest
level
50%
)
was
primarily
associated
feed
intake,
likely
related
palatability
issues,
albeit
pathological
changes
observed
liver
may
also
play
role.
highlights
importance
meticulous
optimization
aquafeed
formulations,
need
species
life‐stage
specific
assessments
ensure
health
welfare
fish
aquaculture
practices.
