Microbial Biotechnology,
Journal Year:
2025,
Volume and Issue:
18(2)
Published: Feb. 1, 2025
This
study
investigated
whether
two
exopolysaccharides
could
serve
as
exogenous
carbon
sources
to
enhance
fermentation
quality
in
oat
silage,
providing
a
theoretical
foundation
for
their
future
application
silage.
The
oats
were
harvested
at
the
heading
stage
and,
following
period
of
wilting,
chopped
into
2-3
cm
lengths
ensiling
experiment.
treatments
applied
follows:
(1)
control
group
(CK),
which
received
only
sterile
water;
(2)
with
added
dextran
(D);
and
(3)
levan
(L).
process
was
monitored
various
intervals:
3,
7,
14,
30
60
days
(d),
respectively.
Following
ensiling,
silage
subjected
5-day
aerobic
exposure
(AE).
EPS
changed
altered
composition
bacterial
community,
had
an
impact
on
feature
dissimilarity
between
sample
groups.
Meanwhile,
showed
different
regulatory
effects
carbohydrate
metabolism
times.
treatment
increased
lactic
acid
content
decreased
pH
After
fermentation,
also
relative
abundance
Lactobacillus.
Dextran
Hafnia-Obesumbacterium
Sediminibacterium,
Under
dextran,
retained
more
WSC
achieved
higher
stability.
Upon
comparing
correlation
networks,
it
became
evident
that
time
inter-bacterial
correlations.
In
conclusion,
can
effectively
yielding
most
pronounced
positive
effects.
Journal of Applied Aquaculture,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 19
Published: April 13, 2024
The
aquaculture
sector
faces
sustainability
challenges
due
to
unsustainable
feedstuffs.
To
address
this,
there's
a
continuous
search
for
alternatives
traditional
aquafeed
protein
sources
such
as
fishmeal.
Clostridium
autoethanogenum
is
novel
source
with
long-standing
application
in
the
bio-energy
industry.
With
80–89%
crude
content
on
dry
matter
basis,
(CAP)
has
gained
attention
nutrition
research
species.
This
study
aimed
review
CAP
utilization
aquafeed,
examining
its
nutritional
value
and
impacts
aquatic
animals'
growth,
feed
efficiency,
digestion,
absorption,
immune
response.
Research
suggests
promising
potential
showing
achieving
complete
fishmeal
replacement
without
compromising
growth
performance
response
select
Nonetheless,
higher
inclusion
levels
show
adverse
effects
health
status
of
certain
fish
species,
indicating
variability
among
species
utilize
CAP-based
diets.
Further
investigations
are
required
understand
this
outcomes
reported
Reviews in Fisheries Science & Aquaculture,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 17
Published: June 14, 2024
A
range
of
sustainability
metrics
have
been
proposed
over
the
years
that
calculate
various
efficiencies
(and
inefficiencies)
use
feed
in
animal
production
(terrestrial
livestock
and
aquaculture)
more
specifically
utilization
marine
ingredient
content
feed.
Like
all
though,
they
come
with
some
assumptions
are
only
as
good
reliability
data
feeding
into
them.
The
ones
commonly
used
ingredients
sector
include
eFIFO,
FFDR,
FIFO
FCR.
In
this
review
basis
each
these
metrics,
aspects
their
origins
short
comings
is
discussed.
It
noted
many
fail
to
recognize
foundational
role
play
supporting
global
"blue-food"
when
misapplied.
Subsequently
an
alternative
strategy
assess
based
on
a
life
cycle
assessment
(LCA)
approach.
With
shift
we
provide
reasoning
behind
move
toward
transparent
process
how
will
better
support
aquaculture
forward
by
being
able
resources
equivalent
basis.
Insects,
Journal Year:
2025,
Volume and Issue:
16(2), P. 113 - 113
Published: Jan. 23, 2025
Aquafeed
production
is
a
fast-growing
industry,
seeking
novel,
cost-efficient
raw
materials
to
diversify
traditional
ingredients
like
fish
meal
and
oil.
Insects,
particularly
BSF
larvae,
convert
by-products
waste
into
value-added
biomass.
In
this
study,
co-products
from
two
major
fish-transforming
industries
in
the
Iberian
Peninsula,
i.e.,
tuna
heads
(THs)
codfish
frames
(CFs),
hydrolysates
of
THs
CFs,
TH
oils,
were
supplied
larvae
improve
their
profile
n-3
fatty
acids
(FAs),
namely
EPA
DHA,
protein/amino
acid
content.
By
testing
replacement
levels
control
diet
with
co-products,
we
evaluated
amount
FA
that
could
be
added
larval
tissues.
The
results
showed
high
hydrolysed
negatively
impacted
survival.
addition,
parameters
such
as
moisture,
protein
content,
viscosity
substrate
affected
bioconversion
rates.
Nevertheless,
fed
these
diets
contained
lysine
(5.8–8.4%,
dry
weight
(DW)),
methionine
(1.5–2.4%,
DW),
(14.4%
DW:
6.7%
DHA
7.1%).
These
findings
suggest
can
effectively
nutrient-rich
biomass
for
aquafeeds,
supporting
diversification
material
sources
promoting
circular
bioeconomy.
Aquaculture Nutrition,
Journal Year:
2025,
Volume and Issue:
2025(1)
Published: Jan. 1, 2025
The
aquaculture
industry
must
continue
to
reduce
its
reliance
on
finite
marine
ingredients
and
promote
biocircularity
enhance
sustainability.
This
study
evaluated
the
effects
of
no-fishmeal
(FM)
diets
fish
protein
hydrolysates
(FPHs)
growth
performance,
antioxidant
status,
immune
responses
gilthead
seabream
(Sparus
aurata).
Following
established
conditions,
two
FPHs
were
prepared
from
enzymatic
hydrolysis
discards
whole-body
blue
whiting
(Micromesistius
poutassou)
gurnard
heads
(Trigla
spp.);
former
contained
a
higher
proportion
large
peptides
(LPs),
while
latter
had
more
small
(SPs).
Four
isoproteic
(48%)
isolipic
(16%)
tested:
commercial
(COM)-like
diet
with
35%
FM,
10%
poultry
meal,
5%
soy
concentrate;
FUTURE
(FUT)
diet,
without
FM
or
concentrate,
containing
25%
meal;
FUT
supplemented
FPH
(FUTLP
FUTSP).
Gilthead
(initial
weight
±
8.0
g)
was
distributed
into
500
L
tanks
at
an
initial
density
1.4
kg
m-3
fed
experimental
apparent
satiety
for
8
weeks.
Sampling
performed
end
trial,
followed
by
digestibility
trial.
Nutrient
energy
digestibilities
significantly
lower
in
than
COM
being
7%
16%
lower,
respectively,
treatment,
leading
nitrogen
losses.
Growth
performance
feed
utilization
negatively
impacted
gain
only
310
33%
compared
482
22%
treatment.
Additionally,
plasma
status
liver
slightly
impaired
Supplementation
mitigated
even
reversed
these
negative
effects.
results
confirmed
that
including
small-
medium-sized
no-FM
is
beneficial
using
larger
ones.
Journal of the World Aquaculture Society,
Journal Year:
2025,
Volume and Issue:
56(2)
Published: April 1, 2025
Abstract
This
study
investigates
the
efficacy
of
acid‐insoluble
ash
(AIA)
as
an
endogenous
digestibility
marker
in
commercial
aquaculture
ingredients
and
feeds.
AIA
is
a
naturally
occurring,
low‐cost
alternative
to
external
markers
such
chromic
oxide
yttrium
oxide.
External
are
often
impractical
production
small
batches
feed
manufactured
under
settings
due
cost
logistical
constraints.
manuscript
first
its
kind
quantify
content
18
feeds
27
from
diverse
origins,
well
recuperation
rate
pure
AIA.
Samples
were
acquired
various
national
international
sources
based
on
currently
available
stock;
all
samples
analyzed
quadruplets
for
statistical
analysis.
Results
indicated
significant
variation
levels
across
different
ingredient
categories
(
p
<
0.05),
with
marine‐based
meals
rendered
animal
exhibiting
highest
concentrations
(up
25.8%
5.0%,
respectively),
while
vegetable
displayed
lowest
0.2%).
Shrimp
crab
had
particularly
high
their
mineral‐rich
exoskeletons
(4.7%
25.8%,
that
undergone
certain
processing
increase
meal
quality
lower
than
regular
counterparts
(avian:
2.9%
4.4%
quality;
meat:
0.13%
0.8%
quality).
Additionally,
limit
quantification
(LOQ)
was
determined
define
confidence
range
utilized
protocol.
highlights
importance
considering
diet
composition
origin
formulation
ensure
consistent
nutritional
outcomes.
Furthermore,
we
demonstrate
wide
diets
contain
quantifiable
amount
The
findings
suggest
can
serve
reliable
cost‐effective
in‐vivo
studies,
aiding
manufacturers
farm
managers
optimizing
performance
by
rapidly
assessing
quality.
