Cellular and Molecular Biology,
Journal Year:
2023,
Volume and Issue:
69(1), P. 114 - 118
Published: Jan. 31, 2023
In
this
study,
the
physical
structure
of
fillets
rainbow
trout
(Oncorhynchus
mykiss)
grown
under
different
aquaculture
conditions
was
compared.
For
purpose,
scanning
electron
microscopy
(SEM)
analysis,
texture
profile
(hardness,
springiness,
cohesiveness,
gumminess,
chewiness),
and
color
measurements
(L,
a,
b,
chroma,
hue
whiteness)
taken
from
two
environments
were
examined.
When
both
compared,
it
determined
that
hardness
(40.30-69.80
N),
gumminess
(26.85-41.89
N)
chewiness
(25.37-36.82
values
fish
samples
extensive
culture
higher
than
recirculated
system.
The
difference
between
other
not
found
to
be
significant.
parallel
with
results,
when
SEM
images
examined,
system
had
a
thicker
fibril
ultrastructure
those
RAS.
variable
environmental
parameters
duration
observed
have
an
effect
on
muscle
development,
especially
long
breeding
period
in
has
positive
meat
fish.
Cultivation
significant
either
skin
or
fillet
samples.
As
is
leading
freshwater
production,
very
important
for
determine
changes
flesh
according
growing
conditions.
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(12), P. e22682 - e22682
Published: Nov. 22, 2023
For
a
long
time,
co-products
of
food
processing
have
been
used
in
animal
feed,
but
far
less
fish
because
their
assumed
inability
to
cope
with
high-fiber
diets.
Research
on
feeding
species
that
naturally
consume
fibrous
diets
are
yet
lacking.
We
here
evaluated
the
impact
sugar
beet
pulp
diet
tambaquí
nutrient
metabolism,
oxidative
stress,
inflammation,
and
intestinal
histomorphometry.
A
total
18
(1616
±
107
g;
2
years
old)
were
randomly
divided
over
6
similar
tanks
3
per
tank
attributed
one
six
dietary
treatments
0,
5,
10,
15,
20
25
%
addition
reared
for
8
weeks.
Water
quality
parameters
(pH,
NH3–N,
EC,
TDS,
DO,
temperature)
assessed
recorded
twice
week
each
tank.
quadratic
increase
villus
length,
paravilli
absorptive
surface
observed
addition.
Ammonia
pH
as
indicators
significantly
changing
higher
supply
glucogenic
substrate
citric
acid
cycle
was
noticed
due
positive
correlation
blood
propionylcarnitine:
acetylcarnitine
ratio
while
there
no
effect
ketone
body
synthesis
measured
through
3-hydroxybutyrylcarnitine:
ratio.
No
pronounced
change
serum
whole
histamine
lowered
concentrations
malondialdehyde
In
conclusion,
induced
marked
architecture
without
signs
inflammation
or
stress.
Large-scale
studies
need
clarify
if
these
features
lead
improved
growth
performance
this
work
opens
options
further
study.
The
non-linear
pattern
some
components
increasing
may
call
future
optimal
dosing
feed
form
together.
International Journal of Fisheries and Aquaculture,
Journal Year:
2022,
Volume and Issue:
14(2), P. 15 - 21
Published: Sept. 30, 2022
This
preliminary
study
was
carried
out
to
formulate
high
quality
least-cost
feed
for
the
farming
of
African
catfish
(Clarias
gariepinus
Burchell
1822)
in
Sierra
Leone.
Locally
sourced
ingredients
with
vitamin
premixes,
lysine
and
methionine
were
used
a
45%
crude
protein
feeds
catfish.
Proximate
contents
determined
practical
compared
two
imported
commercially
produced
(Ranaan
Aller
Aqua).
Mean
proximate
values
protein,
moisture,
fat,
fibre,
ash
dry
matter
40.59
±
2.22
42.16
2.31%,
21.39
0.23
22.77
0.16,
0.30
0.07
1.07
0.04,
2.81
0.14
3.28
0.15%,
16.62
0.06
17.60
0.13%),
77.22
0.16
78.61
0.23%,
respectively.
P
µg/g,
Na
µg/g
percentage
Ca
minerals
determined.
Some
obtained,
favourably
Ranaan
Aqua
at
cheaper
cost.
has
shown
that
it
is
possible
develop
nutrient
rich
commercialization
Key
words:
Amino
acids,
formulated
diet,
analysis,
nutrient-rich,
least-cost,
Frontiers in Marine Science,
Journal Year:
2022,
Volume and Issue:
9
Published: Nov. 14, 2022
One
part
of
aquaculture
sustainability
is
reducing
the
environmental
footprint
feeds.
For
European
aquaculture,
this
means
finding
feed
ingredients
that
are
produced
within
economic
community,
and
not
in
conflict
with
human
consumption.
This
especially
challenging
when
formulating
diets
for
carnivorous
fish
such
as
turbot
low
tolerance
to
fishmeal
replacement
both
nutritious
economically
environmentally
sustainable.
Therefore,
we
investigated
effects
two
novel
innovative
formulation
concepts
on
growth
performance
nutritional
status
market-sized
a
recirculating
system.
In
16-week
feeding
trial,
440
(300
±
9
g)
were
fed
twice
day
control
diet
(CTRL),
based
commercial
formulation,
four
experimental
diets.
The
designed
investigate
formulations
sustainable
terrestrial
plant
proteins
(NoPAP)
or
processed
animal
(PAP)
30%
60%
emerging
(fisheries
by-products,
insect
meal
fermentation
biomass).
Turbot
from
CTRL
group
had
similar
than
NoPAP30
significant
decline
PAP
NoPAP60.
Comparing
each
other
voluntary
intake
protein
efficiency
ratio
tank
basis
well
individual
weight
gain
relative
rate
was
significantly
higher
NoPAP
groups
groups.
Furthermore,
apparent
digestibility
nutrients
minerals
reduced
level
compared
group.
conclusion,
concept
highlights
potential
used
combination
ingredients,
fisheries
meal,
microbial
biomass
turbot.
study
shows
has
incorporation
protein.
Metabolites,
Journal Year:
2023,
Volume and Issue:
13(5), P. 612 - 612
Published: April 28, 2023
Circular
economy
driven
feed
ingredients
and
emerging
protein
sources,
such
as
insects
microbial
meals,
has
the
potential
to
partially
replace
fishmeal
in
diets
of
high-trophic
fish.
Even
though
growth
performance
are
often
unaffected
at
low
inclusion
levels,
metabolic
effects
unknown.
This
study
examined
response
juvenile
turbot
(Scophthalmus
maximus)
with
graded
replacement
plant,
animal,
sources
(PLANT,
PAP,
MIX)
comparison
a
commercial-like
diet
(CTRL).
A
1H-nuclear
magnetic
resonance
(NMR)
spectroscopy
was
used
assess
profiles
muscle
liver
tissue
after
feeding
fish
experimental
for
16
weeks.
The
comparative
approach
revealed
decrease
metabolites
that
associated
energy
deficiency
both
tissues
fed
fishmeal-reduced
compared
Since
were
unaffected,
observed
suggests
balanced
formulations,
especially
lower
have
industry
application.
Journal of Marine Science and Engineering,
Journal Year:
2023,
Volume and Issue:
11(6), P. 1135 - 1135
Published: May 28, 2023
This
trial
aimed
to
assess
the
growth
performance
of
trout
(Oncorhynchus
mykiss)
fed
novel
formulations,
evaluate
fish
welfare
status,
and
determine
flesh
quality
as
part
evaluation
sustainable
feeds.
A
control
diet
containing
meal
soy
products
(CTRL)
was
compared
to:
a
with
processed
animal
proteins
(PAP);
without
PAP
(NoPAP);
lower
in
protein
(PAP−);
NoPAP
higher
(NoPAP+).
Groups
50
fish,
weighing
58.84
±
1.39
g
(IBW),
were
allocated
20
tanks
formulated
diets
ad
libitum
over
91
days.
Better
observed
after
experiment
NoPAP+
when
other
diets.
Protein
retention
CTRL
than
PAP−
phosphorous
digestibility
diet.
Diets
did
not
influence
texture
analysis.
However,
sensory
analysis
revealed
acceptance
for
Lysozyme
treatments.
In
addition,
long-term
predictions
using
FEEDNETICSTM
software
suggest
some
these
alternative
formulations
may
be
economically
sustainable.
Overall,
results
support
hypothesis
that
new
are
viable
options
farming.
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 16, 2024
Abstract
High
cost
and
scarcity
of
feed
ingredients
have
continued
to
challenge
the
aquaculture.
This
present
study
assessed
potential
black
soldier
fly
(BSF,
Hermetia
illucens
L.)
larvae
meal
(BSFLM)
as
a
sustainable
alternative
source
animal
protein
in
diet
African
catfish
(Clarias
gariepinus),
species
widely
farmed
Cameroon
for
its
breeding
economic.
Five
formulations:
control
with
100%
fishmeal
(FM,
BSFLM0),
diets
where
FM
was
substituted
at
50%
(BSFLM50),
75%
(BSFLM75),
(BSFLM100)
levels,
were
compared.
Larvae
BSF
processed
using
three
different
methods:
toasting,
sand
boiling.
Parameters
included
chemical
microbial
properties
larvae,
growth
performance,
health,
consumer
acceptance
economic
viability
substituting
BSFLM.
Our
results
demonstrate
that
boiling
significantly
increased
dry
organic
matter
contents
but
reduced
crude
(CP)
fat
whereas
toasting
CP.
Mineral
content
varied
across
processing
had
highest
calcium,
iron,
potassium,
sodium,
phosphorus
levels.
Sand-toasted
Escherichia
coliLactobacillus
only
boiled
there
no
Enterobacteria
or
Salmonellain
toasted
sand-toasted
samples.
At
higher
levels
(75-100%),
BSFLM
improved
rates,
conversion
ratio,
survival
compared
control.
Replacing
also
production
costs,
profitability,
enhanced
sustainability,
indicated
by
lower
fish-in-fish-out
ratio.
Inclusion
enhances
sustainability
aquaculture
practices
reducing
reliance
on
wild-caught
fish
feed.
Overall,
is
suitable
can
support
environmental
aquaculture,
promoting
resilient
farming
practices.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Dec. 30, 2024
Butyrate
is
one
of
the
most
abundant
short-chain
fatty
acids
(SCFAs),
which
are
important
metabolites
dietary
fiber
by
fermentation
gut
commensals,
and
has
been
shown
to
be
vital
in
maintaining
host
health.
The
present
study
mainly
investigated
how
sodium
butyrate
(NaB)
supplementation
diet
with
high
proportion
soybean
meal
(SBM)
affected
turbot.
Four
experimental
diets
were
formulated:
(1)
fish
(FM)
based
(control
group),
(2)
SBM
protein
replacing
45%
FM
(high
(3)
0.2%
NaB
+
(4)
0.5%
group).
fed
four
different
for
8
weeks.
results
showed
that
significantly
suppressed
growth
performance,
induced
typical
enteritis
symptoms
decreased
resistance
bacterial
infection.
However,
inclusion
both
effectively
increased
performance
Meanwhile,
protected
intestinal
morphology,
regulated
gene
expression
inflammatory
cytokines
relieve
inflammation
turbot,
such
as
TNFα,
IL-1β,
NFκB
IL-10.
Moreover,
activated
HIF-1α/IL-22/Lysozyme
signaling
pathway
against
Edwardsiella
tarda
(E.
tarda)
infection,
especially
exerted
more
defence
infection
under
state.
In
conclusion,
promoted
health
Besides,
it
enhanced
supplementation.
Cellular and Molecular Biology,
Journal Year:
2023,
Volume and Issue:
69(1), P. 114 - 118
Published: Jan. 31, 2023
In
this
study,
the
physical
structure
of
fillets
rainbow
trout
(Oncorhynchus
mykiss)
grown
under
different
aquaculture
conditions
was
compared.
For
purpose,
scanning
electron
microscopy
(SEM)
analysis,
texture
profile
(hardness,
springiness,
cohesiveness,
gumminess,
chewiness),
and
color
measurements
(L,
a,
b,
chroma,
hue
whiteness)
taken
from
two
environments
were
examined.
When
both
compared,
it
determined
that
hardness
(40.30-69.80
N),
gumminess
(26.85-41.89
N)
chewiness
(25.37-36.82
values
fish
samples
extensive
culture
higher
than
recirculated
system.
The
difference
between
other
not
found
to
be
significant.
parallel
with
results,
when
SEM
images
examined,
system
had
a
thicker
fibril
ultrastructure
those
RAS.
variable
environmental
parameters
duration
observed
have
an
effect
on
muscle
development,
especially
long
breeding
period
in
has
positive
meat
fish.
Cultivation
significant
either
skin
or
fillet
samples.
As
is
leading
freshwater
production,
very
important
for
determine
changes
flesh
according
growing
conditions.
