Ciência Animal Brasileira,
Год журнала:
2025,
Номер
26
Опубликована: Янв. 1, 2025
Abstract
The
aim
of
this
study
was
to
evaluate
the
phytobiotic
potential
oils
from
Copaifera
langsdorffii
(copaiba),
Carapa
guianensis
(andiroba),
Attalea
speciosa
(babassu),
Mauritia
flexuosa
(buriti),
and
Caryocar
brasiliense
(pequi),
as
well
two
types
aqueous
extracts
Terminalia
catappa
(tropical
almond),
alternatives
antibiotics
containing
enrofloxacin
or
oxytetracycline
active
ingredients
in
continental
aquaculture.
Five
species-specific
pathogens
with
high
prevalence
dissemination
fish
farming
systems
were
selected
for
study.
virulence
strains
assessed
using
Gram
staining,
catalase,
hemolytic
activity
tests,
followed
by
inhibition
halo
assays
potential.
All
exhibited
vitro
subjected
evaluations,
where
inhibitory
zones
tested
products
measured,
along
their
bactericidal
bacteriostatic
effects.
Among
evaluated
products,
only
A.
did
not
exhibit
an
against
analyzed
pathogens.
Conversely,
C.
brasiliense,
M.
flexuosa,
guianensis,
langsdorffii,
hot
extract
T.
demonstrated
effects,
yielding
superior
results
(P
>
0.05)
compared
positive
control
oxytetracycline.
proved
be
competitive
ingredients,
showing
antibacterial
action
Aeromonas
hydrophila,
caviae,
jandaei,
Streptococcus
agalactiae.
Journal of Proteome Research,
Год журнала:
2023,
Номер
22(4), С. 1193 - 1200
Опубликована: Март 1, 2023
Recently,
the
prevalence
of
Aeromonas
hydrophila
antibiotic-resistant
strains
has
been
reported
in
aquaculture,
but
its
intrinsic
antibiotic
resistance
mechanisms
are
largely
unknown.
In
present
study,
a
label-free
proteomics
technology
was
used
to
compare
differential
protein
abundances
response
norfloxacin
(NOR)
stress
A.
hydrophila.
The
results
showed
that
there
were
186
proteins
decreasing
and
220
increasing
NOR
stress.
Bioinformatics
analysis
differentially
expressed
enriched
several
biological
processes,
such
as
sulfur
metabolism
homologous
recombination.
Furthermore,
sensitivity
assays
deletion
AHA_0904,
cirA,
cysI
significantly
decreased
against
NOR,
whereas
ΔAHA_1239,
ΔcysA,
ΔcysD,
ΔcysN
increased
NOR.
Our
provide
insights
into
indicate
AHA_1239,
may
play
important
roles
Frontiers in Microbiology,
Год журнала:
2023,
Номер
14
Опубликована: Июнь 2, 2023
Herbal
extracts
have
been
considered
as
ideal
alternative
to
antibiotics
in
aquaculture
and
application
of
combinatory
effective
always
can
exhibit
the
enhanced
bioactivity
with
high
efficiency.
In
our
study,
a
novel
herbal
extract
combination
GF-7,
which
is
composed
Galla
Chinensis,
Mangosteen
Shell
well
parts
Pomegranate
peel
Scutellaria
baicalensis
Georgi
extracts,
was
prepared
applied
for
therapy
bacterial
infection
aquaculture.
The
HPLC
analysis
GF-7
also
investigated
quality
control
chemical
identification.
bioassay,
had
excellent
antibacterial
activity
against
various
aquatic
pathogenic
bacteria
vitro,
related
MIC
values
were
between
0.045
0.36
mg/mL.
After
feeding
Micropterus
salmoide
(0.1,
0.3,
0.6%,
respectively)
28
days,
activities
ACP,
AKP,
LZM,
SOD,
CAT
liver
each
treatment
group
significantly
increased
content
MDA
decreased.
Meanwhile,
hepatic
expression
immune
regulators
including
IL-1β,
TNF-α,
Myd88
at
different
times
up-regulated
varying
degrees.
challenge
results
exhibited
good
dose-dependent
protective
effect
on
M.
salmoides
infected
A.
hydrophila,
further
confirmed
by
histopathology.
Our
imply
that
potential
natural
medicine
prevention
numerous
infectious
diseases
Annals of Animal Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 7, 2024
Abstract
Yersiniosis
or
enteric
redmouth
(ERM)
is
responsible
for
significant
mortalities
among
rainbow
trout
and
other
salmonids.
Hence,
its
prevention
and/or
control
has
become
a
research
hotspot.
Antibiotics
are
effective
control;
however,
accumulating
evidence
indicates
that
unrestricted
use
of
antibiotics
harms
fish,
human
beings,
the
environment.
Thus,
finding
safe,
efficacious,
cost-effective,
environmentally
friendly
substitutes
great
interest.
Reports
showed
dietary
supplementation
with
functional
additives
health-promoting
immunostimulatory
functions
could
be
promising
strategy.
Herein,
we
provide
an
overview
non-antibiotic
feed-based
strategies
combating
EMR
in
without
resorting
to
antibiotic
usage.
For
this
issue,
uses
application
some
vitamins,
probiotics,
prebiotics,
synbiotics,
quorum
quenching
probiotic
strains,
algae,
organic
acids,
included
article.
The
roles
phytobiotics
(herbal
supplements),
their
phytochemicals,
essential
oils
extracted
from
them
will
also
elucidated.
Some
emerging
nano-based
feed
supplements
discussed.
Considering
advantages,
literature
declared
these
enhance
overall
health
condition,
haemato-immunity,
disease
resistance
conferred
high
protection
experimentally
infected
yersiniosis.
Given
perspective,
article
presents
current
situation
latest
knowledge
on
supplements,
emphasizing
not
only
support
immunity
decrease
effects
but
minimize
usage
aquaculture.
Limitations
future
perspectives
effectiveness
efficacy
This
review
help
aquaculture
sustainability
improve
welfare
trout.
