Royal Society of Chemistry eBooks,
Journal Year:
2024,
Volume and Issue:
unknown, P. 162 - 202
Published: Oct. 4, 2024
Over
the
last
decade,
a
range
of
studies
have
demonstrated
that
various
fitness-related
behaviours
are
vulnerable
to
disruption
induced
by
contaminants
emerging
concern
(CECs)
and
legacy
pollutants.
However,
behavioural
responses
animals
when
exposed
pollutants/contaminants
rarely
included
in
discussions
about
regulation
chemicals.
Thus,
improve
our
understanding
opportunities
challenges
for
ecotoxicology,
this
chapter
presents
synthesis
endpoints
experimental
procedures
used
evaluate
response
Nile
tilapia
(Oreochromis
niloticus
–
non-conventional
species
ecotoxicology)
different
CECs
By
focusing
on
methodological
possibilities
be
evaluating
behaviour
Neotropical
species,
we
shed
light
feasibility
reasonableness
using
animal
model
as
complement
or
alternative
use
traditionally
toxicology.
npj Clean Water,
Journal Year:
2025,
Volume and Issue:
8(1)
Published: Feb. 8, 2025
Thiram
is
a
widely
used
fungicide
in
agricultural
practices
as
spraying
on
crops
and
grains
storage
but
its
potential
adverse
effects
non-target
aquatic
organisms
have
raised
serious
concerns.
In
this
study,
firstly
LC50
value
of
thiram
has
been
determined
0.744
mg/L
for
the
first
time
Labeo
rohita
then,
fish
were
exposed
to
different
sub-lethal
concentrations
(40
μg/L,
80
μg/L
120
μg/L)
evaluate
tissue
growth,
oxidative
stress,
anti-oxidant
enzymes
histo-pathological
parameters
at
days-20,
40
60
experiment.
There
observed
significant
(p
<
0.05)
decrease
body
weight
while
increase
relative
absolute
weights
kidneys,
heart
brain
was
found.
Hematological
analysis
showed
leukocytes
neutrophils
lymphocytes
monocytes,
RBCs
hemoglobin
concentration
significantly
decreased.
Serum
biochemical
revealed
urea
hepatic
total
proteins,
albumin
creatinine
higher
doses
(80
thiram.
Oxidative
stress
parameters;
ROS
TBARS
increased
antioxidant
(CAT,
SOD,
POD,
GSH)
treated
groups
compared
control.
Moreover,
comet
assay
DNA
damage
isolated
cells
that
further
confirmed
by
alterations
these
tissues.
The
findings
demonstrate
severely
pollute
marine
eco-system
quite
hazardous
species
causing
severe
health
even
thus,
render
apparently
clean
water
be
unfit
animal
human
consumption.
Frontiers in Public Health,
Journal Year:
2024,
Volume and Issue:
11
Published: Jan. 8, 2024
Introduction
Occupational
exposure
to
pesticides
may
cause
acute
health
effects
for
farmers
and
agricultural
workers.
Therefore,
this
study
aims
investigate
the
prevalence
of
poisoning
symptoms
related
pesticide
among
from
all
regions
Thailand,
as
well
factors
linked
neurological
neuromuscular
systems,
respiratory
system,
eye
skin
disorders.
Methods
A
cross
sectional
was
conducted
in
4,035
who
lived
four
Thailand.
The
samples
were
chosen
using
stratified
random
sampling,
with
746
Central
region,
2,065
North-East,
586
North,
638
South.
Results
results
found
that
highest
association
systems
(75%),
followed
by
system
(60.4%),
eyes
(41.2%),
(14.8%).
most
prevalent
muscle
pain
(49%)
symptoms,
burning
nose
(37.6%)
itchy
(26.3%)
rashes
(14.4%)
symptoms.
remarkable
findings
types
use,
task
on
farm,
sprayers,
perception
are
crucial
affecting
Discussion
also
beneficial
Thai
government
other
relevant
organizations
launching
measures,
campaigns,
or
interventions
lower
modifiable
risk
factors,
resulting
reducing
risks
associated
exposure.
Aquaculture Reports,
Journal Year:
2024,
Volume and Issue:
35, P. 102029 - 102029
Published: March 13, 2024
This
study
was
designated
to
look
into
the
toxicological
effects
of
long-term
exposure
African
catfish
(Clarias
gariepinus)
a
heavy
metal
(copper)
on
growth,
hematology,
immune-antioxidant
functions
and
their
regulating
genes,
resistance
Aeromonas
sobria.
Furthermore,
efficiency
dietary
zinc
oxide
nanoparticles
(ZNPs)
ameliorate
copper
toxicity
assessed.
Fish
(n=300:
average
body
weight:
90.56±0.20
g)
were
equally
allocated
six
groups
in
five
replicates
(10
fish/replicate;
50
fish/
group)
for
60
days
at
water
temperature
25
±
1.2
◦C.
Three
diets
formulated
with
varying
ZNPs
levels:
control
(0
mg
kg−1),
ZNPs20
(20
ZNPs30
(30
actual
concentrations
45,
65,
75
kg−1,
respectively.
The
experimental
named,
control,
ZNPs20,
which
fed
diets,
respectively
without
exposure.
Additionally,
CuCL2,
CuCL2+ZNPs20,
CuCL2+ZNPs30
received
same
feeding
regime
as
groups,
exposed
chloride,
CuCL2
L−1).
At
end
trial
(60
days),
all
challenged
0.2
mL
A.
sobria
(1×108
CFU
mL−1)
mortalities
recorded
daily
additional
7
days.
results
displayed
that
resulted
lower
growth
metrics
survivability.
final
weight,
weight
gain,
feed
intake,
survivability
reduced
group
by
39.29%,
23.79%,
63.37%,
20%,
increasing
conversion
ratio
52.13%
compared
group.
In
addition,
hematological
(red
blood
cells
(58.40%),
hemoglobin
(48.11%),
packed
cell
volume
(40.59%),
white
(46.85%),
total
proteins
(43.12%),
albumin
(41.98%),
globulin
(44.23%)),
immune
(lysozymes
(59.74%),
complement
3
(41.89%),
nitric
(57.14%),
phagocytic
activity
(38.75%)),
antioxidant
parameters
(glutathione
peroxidase
(82.95%),
catalase
(74.08%),
superoxide
dismutase
(48.59%)),
well
higher
oxidative
(malondialdehyde)
(200.30%)
indicator
observed
A
down-regulation
peroxidase-1)
(lysozyme-G,
lysozyme-C,
transforming
factor-beta,
myeloperoxidase)
genes
up-regulation
inflammatory
cytokines
(interleukin-1ß,
interleukin-8,
tumor
necrosis
factor-alpha,
nuclear
factor
kappa
β,
Toll-like
receptor
5)
noticed
during
challenge
(25%)
Noticeably,
modulated
survival,
antioxidant/immune
associated
copper-exposed
fish.
increased
fish
challenge.
especially
30
kg−1
level
proposed
promising
additive
mitigating
stress
consequences
catfish.
Italian Journal of Animal Science,
Journal Year:
2024,
Volume and Issue:
23(1), P. 721 - 733
Published: May 14, 2024
Herbal
plants
have
gained
enormous
interest
due
to
their
immune,
antioxidant,
and
antibacterial
activities.
The
present
study
proposed
that
white
poplar
(Populus
alba)
leave
extract
(WPE)
might
provide
a
promising
alternative
traditional
antibiotics
treat
Aeromonas
veronii
infection
in
Nile
tilapia
(Oreochromis
niloticus).
WPE
showed
an
vitro
activity
[22
±
0.45
mm
inhibition
zone,
with
minimum
inhibitory
concentration
(MIC)
bactericidal
(MBC)
of
60
µg/mL]
against
A.
veronii.
For
the
in-vivo
study,
factorial
(2
×
2)
design
was
used
investigate
therapeutic
effects
on
antioxidant/immune
status
blood
biochemical
parameters
challenged
One-hundred
sixty
fish
(33
1.5
g)
were
assigned
into
four
experimental
groups,
each
replicates
(4
glass
tanks/group,
40
fish/group,
10
fish/tank)
for
days.
In
first
(1st)
2nd
0
mg/L
applied
tank
water,
respectively,
without
being
challenged.
3rd
4th
intraperitoneal
inoculated
0.2
mL
(0.5
107
CFU).
significantly
diminished
survivability,
hepatic
catalase,
lysozyme
activity,
nitric
oxide,
immunoglobulin
M,
phagocytic
%,
total
protein,
albumin,
globulin.
Moreover,
significant
rise
malondialdehyde,
serum
hepatorenal
function
indicators,
cortisol,
glucose
levels
consequences
challenge.
Interestingly,
interaction
between
bacterial
challenge
application
increased
antioxidant
immune
responses
reduced
ALT
treated
during
creatinine,
decreased
but
still
higher
than
non-infected
either
or
not
WPE.
conclusion,
(1.5
mg/L)
can
be
as
substance
farming
alleviate
detrimental
impacts
by
enhancing
infected
fish.
These
outcomes
could
help
reduce
antibiotic
usage
farms,
which
is
conducive
sustainable
development
aquaculture.
Deleted Journal,
Journal Year:
2025,
Volume and Issue:
2(1)
Published: March 5, 2025
Abstract
Background
Pesticide
contamination
in
aquatic
ecosystems
due
to
intensive
agriculture
poses
significant
health
risks
communities
reliant
on
fish
as
a
dietary
staple.
In
northern
Ghana,
where
drives
high
pesticide
use,
residues
from
application
persist
water
bodies.
Libga
and
Builpela
reservoirs,
important
for
local
livelihoods
sources
are
exposed
agricultural
effluents.
Despite
their
importance,
limited
data
exist
these
nor
have
the
associated
surrounding
been
quantified.
Persistent
pesticides
of
particular
concern.
This
study
assessed
human
Clarias
(C.)
anguillaris
(African
catfish)
Oreochromis
(O.)
niloticus
(Nile
tilapia)
reservoirs
which
receive
substantial
runoff.
Methods
Fish
samples
both
were
analysed
42
using
Liquid
Chromatography-Tandem
Mass
Spectrometry
(LC–MS/MS).
Lifetime
cancer
risk,
hazard
quotient,
ratio
computed
evaluate
linked
consumption.
Two
species
fish,
anguilaris
,
tested
contamination.
Results
Four
detected:
pirimiphos-methyl,
chlorpyriphos,
p,p'-DDE,
p,p'-DDD.
exhibited
higher
organophosphate
levels
with
pirimiphos-methyl:
showing
highest
concentration
at
0.05
±
0.02
mg/kg
0.04
0.00
reservoir.
showed
elevated
organochlorines
(p,p'-DDD
DDD:
0.03
0.01
mg/kg).
Organochlorines
dominated
load
(55–60%),
p,p'-DDE
contributing
27.9%
total.
The
quotient
indicated
little
adverse
impacts.
However,
cumulative
LCR
values
p,p'-DDD
potential
lifetime
chronic
exposure.
Conclusions
our
study,
though
short-term
consumption
minimal
non-carcinogenic
risks,
consuming
C.
O.
long-term
intake
may
elevate
persistent
organochlorines.
Regular
monitoring,
public
advisories,
stricter
regulations
necessary
mitigate
protect
vulnerable
Ghana.