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.
Biofuel Research Journal,
Год журнала:
2024,
Номер
11(02), С. 2065 - 2081
Опубликована: Июнь 1, 2024
The
escalating
global
demand
for
protein
and
the
imperative
to
meet
sustainable
development
goals
have
driven
emergence
of
biotransformation
platforms,
with
methanotrophs
showing
significant
potential
in
this
field.
In
paper,
metabolism,
nutritional
requirements,
cultivation
strategies,
bioreactors
are
reviewed.
Integrating
upstream
downstream
technologies
is
also
advocated
advance
methanotroph
platforms
toward
a
circular
economy
model.
advancements
utilizing
biogas
as
viable
carbon
source
wastewater
nitrogen
discussed,
emphasizing
need
detailed
quality
control
safety
assessments
ensure
suitability
single-cell
animal
feed.
general,
by
integrating
advanced
nutrient
recovery
define
new
process
routes,
can
bring
better
environmental
benefits
reducing
emissions
saving
resources.
Shifting
renewable
energy
crucial
achieving
sustainability.
By
using
power
microbial
fermentation,
biomass
dehydration,
waste
recycling,
platform
offset
high
consumption
attain
market
competitiveness
traditional
sources.
Animal nutrition,
Год журнала:
2024,
Номер
19, С. 166 - 179
Опубликована: Авг. 10, 2024
A
10-week
feeding
trial,
followed
by
24-h
nitrite
stress,
was
performed
to
evaluate
the
effects
of
dietary
selenium-L-methionine
(Se-Met)
on
growth,
Se
accumulation,
antioxidant
capacity,
transcripts
selenoproteins
and
histological
changes
muscle
as
well
resistance
stress
in
spotted
seabass
(
Aquaculture Reports,
Год журнала:
2023,
Номер
33, С. 101830 - 101830
Опубликована: Ноя. 8, 2023
This
study
assessed
the
potential
of
four
bacterial
(Methylococcus
capsulatus)
single
cell
protein
(SCP)
products
as
alternative
sources
for
Pacific
white
shrimp
(Penaeus
vannamei)
diets.
A
growth
trial
and
a
digestibility
were
undertaken,
during
which
SCP
compared
with
high-quality
fishmeal
soy
concentrate,
regarding
their
impact
on
ingredient
digestibility,
growth,
feed
intake
whole-body
composition
juvenile
P.
vannamei.
Seven
diets
formulated;
one
reference
diet
(REF)
six
test
The
consisted
85%
REF
15%
ingredient.
Ingredients
tested
(SCP1–4),
differed
in
processing
conditions,
(FM)
concentrate
(SoyProt).
Growth
utilization
similar
vannamei
fed
either
FM
or
diets,
whilst
lowest
observed
SoyProt
diet.
Final
content
did
not
differ
between
However,
had
significantly
higher
final
phosphorus
body
retention
than
indicates
availability
to
SoyProt.
Protein
was
FM,
amino
acid
(AA)
comparable
three
(SCP1,
SCP2
SCP4).
SCP3
product
showed
most
AA,
indicating
possible
influence
conditions
AA
SCPs.
Overall,
this
highlights
that
originating
from
M.
capsulatus
is
viable
source
but
should
be
taken
into
account.
Journal of Animal Science,
Год журнала:
2023,
Номер
101
Опубликована: Янв. 1, 2023
Abstract
Using
single-cell-based
proteins
in
pet
foods
is
of
interest,
but
little
testing
has
been
done.
Therefore,
our
objective
was
to
determine
the
amino
acid
(AA)
digestibilities,
assess
protein
quality
a
novel
microbial
(MP)
(FeedKind),
and
compare
it
with
other
protein-based
ingredients
using
precision-fed
cecectomized
rooster
assay.
Test
included:
MP,
chicken
meal
(CM),
corn
gluten
(CGM),
pea
(PP),
black
soldier
fly
larvae.
Thirty
roosters
(n
=
6/ingredient)
were
randomly
assigned
test
ingredients.
After
24
h
feed
withdrawal,
tube-fed
15
g
ingredient
corn,
then
excreta
collected
for
48
h.
Endogenous
AA
corrections
made
additional
roosters.
Digestible
indispensable
score
(DIAAS)-like
values
calculated
according
Association
American
Feed
Control
Officials
(AAFCO),
The
European
Pet
Food
Industry
Federation,
National
Research
Council
reference
growing
adult
dogs
cats.
Data
analyzed
Mixed
Models
procedure
SAS
9.4,
P
≤
0.05
being
significant.
All
reactive
lysine:total
lysine
ratios,
an
indicator
heat
damage,
higher
than
0.9,
except
CM
(0.86).
Digestibility
dispensable
>85%
>80%
respectively,
digestibilities
all
In
general,
CGM
had
highest,
while
lowest
digestibilities.
Two
exceptions
tryptophan.
Lysine
digestibility
MP
that
ingredients,
tryptophan
CM,
CGM,
PP.
Threonine
highest
MP.
Valine
PP,
DIAAS-like
calculations
identified
limiting
each
depended
on
used
life
stage
species
animal.
AAFCO
guidelines,
>100
suggesting
could
be
as
sole
source
dog
cat
diets;
only
methionine
<100
kittens.
For
dogs,
most
commonly
methionine,
threonine,
sources.
cats,
methionine.
severely
limited
across
stages
considered.
Further
research
cats
necessary,
data
suggest
tested
high
high-quality
may
useful
foods.
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.
