Fish Physiology and Biochemistry,
Journal Year:
2023,
Volume and Issue:
50(2), P. 767 - 783
Published: Dec. 7, 2023
Abstract
In
the
aquaculture
industry,
silica
nanoparticles
(SiNPs)
have
great
significance,
mainly
for
confronting
diseases.
Therefore,
present
study
aims
to
assess
antibacterial
efficiency
of
SiNPs
as
a
versatile
trial
against
Aeromonas
veronii
infection
in
African
catfish
(
Clarias
gariepinus
).
Further,
we
investigated
influence
palliating
immune-antioxidant
stress
biochemical,
ethological,
and
histopathological
alterations
induced
by
A.
.
The
experiment
was
conducted
10
days,
about
120
fish
were
distributed
into
four
groups
at
random,
with
30
each.
first
group
is
control
that
neither
exposed
nor
SiNPs.
second
vulnerable
concentration
20
mg/L
water.
third
experimentally
infected
1.5
×
7
CFU/mL.
fourth
+
SiNPs)
Results
outlined
behavioral
suppression
responses
appeared
clear
decline
protein
profile
indices,
complement
3,
lysozyme
activity,
glutathione
peroxidase,
total
antioxidant
capacity.
kidney
liver
function
biomarkers
(creatinine,
urea,
alkaline
phosphatase,
alanine
aminotransferase)
lipid
peroxide
(malondialdehyde)
substantially
increased
group,
marked
changes
immunohistochemical
these
tissues.
Interestingly,
exposure
resulted
improvement
all
measured
noticeable
regeneration
changes.
Overall,
it
will
establish
are
new,
successful
tool
opposing
immunological,
antioxidant,
physiological,
infection.
Frontiers in Microbiology,
Journal Year:
2025,
Volume and Issue:
15
Published: Jan. 7, 2025
Aeromonas
sobria
is
an
opportunistic
pathogen
that
can
infect
humans,
animals
and
aquatic
species,
which
widely
distributed
in
different
environments
products.
In
recent
years,
with
the
rapid
expansion
of
intensive
aquaculture,
disease
caused
by
A.
has
occurred.
This
study
aims
to
understand
pathogenic
characteristics
provide
scientific
basis
for
prevention
control
epidemic.
The
dominant
strain
As012
was
isolated
from
diseased
rainbow
trout
during
outbreak.
Through
physiological
biochemical
experiments,
sequencing
phylogenetic
tree
analysis
16S
rRNA
gyrB
genes,
identified
as
sobria.
clinical
signs
experimental
infection
were
consistent
those
farm,
LD50
1.0
×
106.6
CFU/mL.
histopathological
lesions
gills,
heart,
liver,
spleen
intestines
mainly
extensive
hemorrhage.
addition,
eight
virulence
genes
screened
As012,
including
Act,
Aer,
AexT4,
Alt,
ahyB,
ascV,
Nuc
Hly.
grow
environment
pH
1-11,
temperature
8-43°C
NaCl
concentration
0-8%.
drug
sensitivity
results
showed
it
resistant
12
antibiotics
penicillin
G,
vancomycin,
clindamycin,
highly
sensitive
16
cefazolin,
ciprofloxacin,
furadantin.
sobria,
trout,
main
causing
epidemic
farm.
a
very
wide
range
growth
strong
pathogenicity,
widespread
hemorrhaging
various
tissues
trout.
It
multi-resistant,
but
cephalosporins,
quinolones,
nitrofurans
sulfonamides.
Among
them,
ciprofloxacin
will
be
one
effective
preventing
controlling
Chinese
aquaculture.
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(9), P. e19354 - e19354
Published: Aug. 22, 2023
Finding
eco-friendly
alternatives
for
antibiotics
in
treating
bacterial
diseases
affecting
the
aquaculture
sector
is
essential.
Herbal
plants
are
promising
alternatives,
especially
when
combined
with
nanomaterials.
Neem
(
BMC Veterinary Research,
Journal Year:
2025,
Volume and Issue:
21(1)
Published: Feb. 5, 2025
The
potential
use
of
feed
supplements
as
immune-stimulant
and
growth-promoting
agents
in
fish
diets
has
drawn
much
attention.
current
research
investigated
the
effects
feeding
Nile
tilapia
(Oreochromis
niloticus)
on
white
poplar
(Populus
alba
L.)
(WP)
leaves
powder
a
dietary
supplement
growth,
digestive
functions,
immune,
oxidant-antioxidant
parameters.
In
addition,
resistance
against
Aeromonas
sobria
(A.
sobria)
challenge
was
investigated.
For
60
days,
(n
=
160;
34.61
±
0.16
g)
were
divided
equally
into
four
groups,
each
had
replicates.
Fish
fed
isonitrogenous
isolipidic
supplemented
with
varying
levels
WP;
0
g/kg
(WP0,
crude
protein
(CP)
37.18%;
lipid
(CL)
9.98%),
2
(WP2,
CP
37.22%;
CL
9.56%),
4
(WP4,
36.95%;
9.47%),
6
(WP6,
36.88%;
9.33%),
where
WP0
control
diet.
results
revealed
that
WP
substantially
boosted
growth
(final
body
weight,
weight
gain,
specific
rate)
an
improvement
conversion
ratio
level-dependent
manner
WP6
group
attaining
best
outcomes.
improved
amylase
(4–6
level)
lipase
(2–6
activity
intestinal
morphometric
measures
level),
recorded
highest
values.
increased
hormone
reduced
leptin
glucose
level).
immune-antioxidant
indices
(total
protein,
albumin,
globulin,
complement
3,
lysozyme,
nitric
oxide,
total
antioxidant
capacity,
glutathione
peroxidase,
catalase)
attained
All
experimental
groups
exhibited
100%
survival
at
end
trial.
During
A.
challenge,
g/kg)
(80%,
85%,
95%,
respectively)
compared
to
(70%),
survival.
Noteworthy,
especially
level
can
be
used
for
improving
health,
disease
tilapia.
Fishes,
Journal Year:
2024,
Volume and Issue:
9(8), P. 322 - 322
Published: Aug. 13, 2024
Aquaculture
production
is
continuously
increasing,
consequently
increasing
the
demand
for
feed.
Unfortunately,
reliance
on
fish
meal
and
oil
also
raises
sustainability
issues
due
to
overfishing
resource
depletion.
Nanoparticle-enhanced
feed
presents
a
promising
solution
these
challenges.
Nanoparticles,
with
their
large
surface
area-to-volume
ratio
encapsulation
capabilities,
significantly
improve
nutrient
delivery,
absorption,
utilization,
enhancing
growth
health.
Their
immune-modulatory
antimicrobial
properties
reduce
antibiotic
use
support
sustainability.
This
review
explores
different
nanoparticles
in
feed,
including
metal-based,
non-metal-based,
composite
types,
each
offering
benefits
It
highlights
advantages
of
nanoparticle-enhanced
such
as
improved
immune
enhancement,
action,
stress
reduction,
environmental
Concerns
like
potential
toxicity,
safety,
bioaccumulation,
impacts
nanoparticles,
together
measures
addressing
concerns,
are
highlighted.
The
concludes
insights
into
future
research
directions.
