Fish & Shellfish Immunology,
Год журнала:
2023,
Номер
137, С. 108773 - 108773
Опубликована: Апрель 25, 2023
Misuse
and
overuse
of
antibiotics
in
aquaculture
has
proven
to
be
an
unsustainable
practice
leading
increased
bacterial
resistance.
An
alternative
strategy
involves
the
inclusion
immunostimulants
fish
diets,
especially
fungal
herbal
compounds
already
authorized
for
human
consumption,
hence
without
environmental
or
public
health
concerns.
In
this
study,
we
used
a
holistic
cross-disciplinary
pipeline
assess
immunostimulatory
properties
two
fungi:
Trametes
versicolor
Ganoderma
lucidum;
one
supplement,
capsaicin
form
Espelette
pepper
(Capsicum
annuum),
combination
these
additives
on
rainbow
trout
(Oncorhynchus
mykiss).
We
investigated
impact
diet
supplementation
7
weeks
survival,
growth
performance,
cellular,
humoral,
molecular
immune
parameters,
as
well
intestinal
microbial
composition
fish.
Uptake
influenced
expression
related
genes,
generating
inflammatory
response.
Significant
differences
were
detected
spleen-tlr2
gene
expression.
Supplementation
with
correlated
structural
changes
microbiota
enhanced
overall
diversity.
Results
demonstrated
that
different
treatments
had
no
adverse
effect
performance
suggesting
safety
feed
at
tested
concentrations.
While
mechanisms
multifactorial
interactions
remain
unclear,
study
provides
insights
not
only
regard
nutrition
compounds,
but
also
how
combined
gut
approach
can
shed
light
efficacy
immunostimulant
potential
commercial
supplements.
Journal of the World Aquaculture Society,
Год журнала:
2023,
Номер
54(2), С. 397 - 426
Опубликована: Апрель 1, 2023
Abstract
The
challenges
and
problems
of
managing
good
biosecurity
are
wide‐ranging
multifactorial
with
many
compounding
factors
to
pre‐dispose
farmed
stocks
an
increased
risk
infection
consequential
stock
losses.
Many
anthropogenic
in
origin
may
be
the
result
physical
location
(site)
and/or
poor
design
production
facility
(i.e.,
water
re‐use;
lack
zoning
based
on
risk,
etc.)
as
well
from
inappropriate
decisions
practices
made
once
site
is
pushing
system
for
biomass
production).
There
a
need
better
regulation
health
legislation
across
aquaculture—an
industry
that
embraces
culture
>500
species.
In
absence
regulatory
frameworks
guidelines,
it
difficult
farmers
apply
certain
measures
such
maximum
stocking
densities
allowed
biomass,
conduct
disease
surveillance
regular
checks,
report
diseases
relevant
authorities
advice.
this
review,
we
have
identified
several
issues
which
continuing
challenge
implementation
efficient
effective
strategies
protocols
at
all
levels,
requiring
attention
over
coming
decade.
They
are,
not
any
order
priority:
(a)
healthy
seed,
(b)
emergency
preparedness
response,
(c)
diagnostics,
(d)
microbial
management
level,
(e)
pathogen
surveillance,
(f)
trade
aquatic
species,
(g)
policies
framework,
(h)
welfare,
(i)
research
technology
development,
(j)
antimicrobial
resistance,
(k)
non‐conventional
ways
transfer,
(l)
Progressive
Management
Pathway.
Reviews in Aquaculture,
Год журнала:
2023,
Номер
16(2), С. 706 - 731
Опубликована: Окт. 26, 2023
Abstract
Fish
microbiome
plays
an
important
role
in
maintaining
host
homeostasis,
with
many
bacterial
functions
directly
linked
to
fitness.
research
is
advancing
fast,
especially
the
context
of
aquaculture
where
several
stressors
are
known
disrupt
stability
host‐associated
bacteria,
prompting
dysbiosis.
Therefore,
understanding
signatures
dysbiosis
different
fish
mucosae
and
their
association
such
fundamental
set
up
efficient
health‐monitoring
strategies,
as
well
sound
objective
working
hypothesis
for
future
research.
Herein,
we
reviewed
studies
that
employed
culture‐independent
approaches
assess
effects
disease,
chemotherapeutics
water
quality
changes
on
diversity
metrics
gut,
skin
gill
microbiomes.
We
conclude
increases
abundance
potential
pathogens
community
structure
reliable
indicators
fish.
The
gut
emerged
being
highly
susceptible
salinity
chemotherapeutics,
whereas
external
microbiota
seems
be
more
caused
by
disease
temperature
changes.
Our
analysis
showed
treatments
tetracyclines
florfenicol
likely
elicit
severe
compared
quinolones
disinfectants
cause
lesser
disturbance
microbiome.
Bacterial
diseases
also
frequently
(enteritis
particular),
parasitic
far
less
deleterious.
Regarding
impacts
quality,
only
reasonably
studied.
Recent
developments
metagenomics,
include
a
fast
turn‐around
time
results,
can
used
detect
homeostasis
during
critical
periods
production,
assisting
management.
Probiotics
as
green
inputs
have
been
reported
to
regulate
metabolism
and
immunity
of
fish.
However,
the
mechanisms
by
which
probiotics
improve
growth
health
fish
are
unclear.
Therefore,
aim
this
study
was
investigate
effect
Bacillus
subtilis
HGCC-1,
an
indigenous
probiotic
isolated
from
fish,
on
performance,
host
lipid
metabolism,
liver
inflammation
gut
microbiota
golden
pompano.
160,000
pompanos
with
initial
body
weight
93.6
±
5.0
g
randomly
assigned
two
dietary
groups:
Control
HGCC-1
(control
diet
supplemented
0.3
g/kg
fermentation
product),
after
three
weeks
feeding,
26
were
collected
each
group
for
microbiome
phenotype
analysis.
Dietary
supplementation
significantly
promoted
performance
(P
<
0.05)
enhanced
feed
utilization.
Besides,
improved
alleviated
hepatic
steatosis
inflammation.
Furthermore,
intestinal
absorption,
utilization
fat
improving
uptake/transport
fatty
acid
β-oxidation
provide
energy,
reduced
TG
level
0.05),
may
be
potential
mechanism
HGCC-1-mediated
promotion.
Finally,
altered
structure
function
leading
enrichment
beneficial
taxa
such
0.0001)
increased
ratio
"Functional
Group
2/Functional
1"
=
0.00092).
Interestingly,
linked
traits
(Spearman,
P
while
abundance
correlated
serum
in
R
0.47,
0.00091),
suggesting
a
role
mediated
metabolism.
In
summary,
promotes
alleviate
enhances
via
regulating
pompano,
ultimately
showed
health.
Comprehensive Reviews in Food Science and Food Safety,
Год журнала:
2023,
Номер
23(1)
Опубликована: Дек. 19, 2023
Abstract
Vibrio
spp.,
known
human
foodborne
pathogens,
thrive
in
freshwater,
estuaries,
and
marine
settings,
causing
vibriosis
upon
ingestion.
The
rising
global
cases
due
to
climate
change
necessitate
a
deeper
understanding
of
epidemiology
transmission.
This
review
delves
into
contamination
seafood,
scrutinizing
its
sources
pathways.
We
comprehensively
assess
the
human‐pathogenic
seafood
chain,
covering
raw
materials
processed
products.
A
“
Farm‐to‐Fork”
approach,
aligned
with
One
Health
concept,
is
essential
for
grasping
complex
nature
contamination.
’s
widespread
presence
natural
farmed
aquatic
environments
establishes
them
as
potential
entry
points
chain.
Environmental
factors,
including
climate,
activities,
wildlife,
influence
routes,
underscoring
need
understand
origin
transmission
pathogens
seafood.
Once
within
formation
protective
biofilms
on
various
surfaces
production
processing
poses
significant
food
safety
risks,
necessitating
proper
cleaning
disinfection
prevent
microbial
residue.
In
addition,
inadequate
handling,
from
inappropriate
procedures
cross‐contamination
via
pests
or
handlers,
significantly
contributes
contamination,
thus
warranting
attention
reduce
risks.
Information
presented
here
support
imperative
proactive
measures,
robust
research,
interdisciplinary
collaboration
order
effectively
mitigate
risks
posed
by
pathogenic
safeguarding
public
health
security.
serves
crucial
resource
researchers,
industrials,
policymakers,
equipping
knowledge
develop
biosecurity
measures
associated
‐contaminated
ISME Communications,
Год журнала:
2023,
Номер
3(1)
Опубликована: Апрель 24, 2023
Climate
change
is
dramatically
increasing
the
frequency
and
severity
of
marine
heatwaves
(MHWs)
in
Mediterranean
basin,
strongly
affecting
food
production
systems.
However,
how
it
will
shape
ecology
aquaculture
systems,
cascading
effects
on
productivity,
still
a
major
knowledge
gap.
The
present
work
aims
to
increase
our
understanding
future
impacts,
caused
by
raising
water
temperatures,
interaction
between
fish
microbiotas,
consequential
upon
growth.
Thus,
bacterial
communities
tanks,
mucosal
tissues
(skin,
gills
gut),
greater
amberjack
farmed
recirculatory
systems
(RAS),
at
three
different
temperatures
(24,
29
33
°C),
were
characterized
longitudinal
study.
(Seriola
dumerili)
teleost
species
with
high
potential
for
EU
diversification
due
its
fast
growth,
excellent
flesh
quality
global
market.
We
show
that
higher
disrupt
amberjack's
microbiota.
Our
results
demonstrate
causal
mediation
exerted
this
community
shifts
reduction
abundance
members
Pseudoalteromonas
positively
correlated
performance,
whereas
Psychrobacter,
Chryseomicrobium,
Paracoccus
Enterovibrio
are
suggested
as
biomarkers
dysbiosis,
temperatures.
Hence,
opening
new
evidence-based
avenues
development
targeted
microbiota-based
biotechnological
tools,
designed
resilience
adaptation
climate
industry.
