Research Square (Research Square),
Journal Year:
2022,
Volume and Issue:
unknown
Published: Sept. 8, 2022
Abstract
Research
has
focused
on
alternative
plant
materials
or
additives
that
can
be
used
instead
of
fish
meal
due
to
limited
stocks
and
increased
feed
prices,
although
it
is
important
for
carnivorous
species.
Taurine
a
functional
amino
acid
supplemented
low
diets
improve
the
growth
performance
fish.
In
this
study,
eight
experimental
with
0%,
0.5%,
1%
2%
ratios
taurine
(T0,
T0.5,
T1
T2)
high
(HFM)
(LFM)
were
prepared
(defined
as
HFMT0,
HFMT0.5,
HFMT1,
HFMT2,
LFMT0,
LFMT0.5,
LFMT1
LFMT2).
The
experiment
was
carried
out
in
twenty-four
400
L
rectangular
fiberglass
tanks
conducted
marine
water
system,
(initial
mean
weight
23.5
g)
stocked
each
tank.
nutrition
trial
90
days
three
replicates.
Meagre
fed
HFMT1
diet
had
higher
final
(FMW)
specific
rate
(SGR)
than
HFMT0
all
LFM
diets.
Including
also
enhanced
performance.
FMW
SGR
LFMT0.5
similar
when
compared
(P
>
0.05)
other
<
0.05).
LFM0.5
lower
conversion
(FCR)
those
provided
HFM
diets,
there
no
significant
difference
between
treatments.
Dietary
decreased
hepatosomatic
index
(HSI),
viscerosomatic
(VSI)
total
ammonia-nitrogen
excretion
(TAN),
irrespective
levels.
dietary
at
both
levels
enhance
number
red
blood
cells
(RBC)
whole-body
acids
meagre.
most
remarkable
conclusion
study
inclusion
improved
profitability
meagre,
level
0.5%
been
recommended.
Reviews in Aquaculture,
Journal Year:
2020,
Volume and Issue:
12(3), P. 1792 - 1817
Published: Jan. 2, 2020
Abstract
Bile
is
a
yellow‐green
liquid
produced
in
the
liver
from
cholesterol
and
stored
gallbladder
of
vertebrates.
improves
efficacy
lipid
digestion
by
acting
as
an
emulsifier
essential
activating
bile
salt
lipase,
enzyme
that
has
broad
substrate
specificity.
absorption
soluble
nutrients
while
also
facilitating
excretion
toxic
metabolites,
particularly
bilirubin.
Dietary
fishmeal
alternatives
often
disturb
acid
status
fish
resulting
either
increased
excretion/decreased
intestinal
reabsorption
and/or
decreased
synthesis.
Saponins
high
molecular
mass
proteins
are
believed
to
contribute
altered
status,
which
may
reduce
productivity.
This
situation
can
worsen
with
incorporations
plant‐based
aquafeeds,
but
be
mitigated
processing
well
dietary
inclusion
some
acids/salts.
area
research
will
likely
increase
due
roles
acids/salts
have
on
protecting
digestive
organs
improving
nutrient
utilization.
This,
however,
depends
type,
level
species.
review
discusses
these
aspects
regard
nutrition
help
thus
enhance
aquaculture
sustainability.
Animals,
Journal Year:
2021,
Volume and Issue:
11(5), P. 1318 - 1318
Published: May 5, 2021
Indiscriminate
use
of
insecticides
is
a
major
concern
due
to
its
ubiquitous
occurrence
and
potential
toxicity
aquatic
animals.
This
study
investigated
the
adverse
effects
lambda-cyhalothrin
(LCT;
C23H19ClF3NO3)
methomyl
(MTM;
C5H10N2O2S)
on
immune
system
modulations
growth
performance
juvenile
fishes.
The
supportive
role
taurine
(TUR;
C2H7NO3S)-supplemented
diet
was
also
evaluated.
Juvenile
O.
niloticus
fishes
were
exposed
LCT
(0.079
µg/L),
MTM
(20.39
or
both
in
water
fed
basal
only
taurine-supplemented
diet.
Exposure
retarded
increased
mortality
rate.
reduced
antioxidant
enzyme
activities
(superoxide
dismutase
glutathione
peroxidase)
innate
humoral
immunity
but
upregulated
interleukin
chemokine
expressions.
Moreover,
exposure
elevated
8-OHdG
levels
Oreochromis
after
experimental
bacterial
challenge.
TUR-enriched
enhanced
enzymes
acted
as
promoter
anti-inflammatory
agent.
TUR
can
modify
adaptive
responses.
Furthermore,
supplementation
beneficial
additive
candidate
for
mitigating
toxicities
mixed
with
aquafeed.
Frontiers in Marine Science,
Journal Year:
2021,
Volume and Issue:
8
Published: Nov. 29, 2021
Single-cell
proteins
are
attracting
growing
attention
as
viable
alternatives
for
fishmeal
(FM)
in
aquatic
feed.
Methanotroph
(
Methylococcus
capsulatus
,
Bath)
bacteria
meal
FeedKind
®
(FK)
is
a
type
of
single
cell
protein
with
high
content
(75.14%)
and
desirable
amino
acids
profile,
produced
by
(Bath)
living
on
methane
consumption.
The
present
study
evaluated
the
potential
replacing
FM
FK
diet
black
sea
bream
Acanthopagrus
schlegelii
).
Five
iso-energetic
iso-nitrogenous
diets
were
designed
0,
4.13,
8.27,
16.53,
24.80%
basal
(40%
content),
respectively.
All
fed
to
three
replicates
fish
(initial
weight
6.56
±
0.02
g)
70
days.
After
feeding
trial,
dietary
8.27%
significantly
improved
gain
specific
growth
rate
P
<
0.05),
while
other
groups
showed
no
significant
difference
performance
>
0.05).
8.27
16.53%
replacement
levels
exhibited
increased
rates.
whole-body
muscle
crude
contents,
apparent
digestibility
lipid,
foregut,
midgut
amylase
activities.
microvillus
density
increased.
serum
triglyceride
fish,
reduced
triglyceride,
total
cholesterol,
low-density
lipoprotein
cholesterol
contents
fish.
In
conclusion,
results
indicated
that
up
had
adverse
effects
bream,
whilst
enhanced
its
feed
utilization.
