Microplastic contamination in commercial tilapia feeds: lessons from a developing country
Aquaculture International,
Journal Year:
2025,
Volume and Issue:
33(3)
Published: Feb. 17, 2025
Language: Английский
Microplastics Pollution in Mariculture Areas with Geographic Features
Published: Jan. 1, 2025
Language: Английский
Mitigation of Dietary Microplastic Accumulation and Oxidative Stress Response in Rainbow Trout (Oncorhynchus mykiss) Fry Through Dietary Supplementation of a Natural Microencapsulated Antioxidant
Animals,
Journal Year:
2025,
Volume and Issue:
15(7), P. 1020 - 1020
Published: April 1, 2025
Microplastic
(MP)
contamination
in
aquafeed
poses
a
significant
risk
to
fish
health
and
safety.
This
study
evaluated
the
effectiveness
of
microencapsulated
natural
antioxidant,
astaxanthin
(AX),
mitigating
adverse
effects
dietary
MPs
rainbow
trout
fry.
The
microcapsules
were
composed
an
organic
wall
matrix
designed
preserve
AX
while
limiting
MP
absorption
intestine.
During
60-day
feeding
trial,
fed
diets
containing
amino
formaldehyde
polymer
fluorescent
microbeads
(1-5
µm;
50
mg/kg),
either
alone
or
combination
with
AX.
localization
tissues
was
assessed
via
confocal
microscopy,
quantification
performed
following
chemical
tissue
digestion.
Fish
welfare
using
histological
molecular
analyses.
No
on
growth
gut
morphology
observed
across
experimental
groups.
However,
mainly
translocated
liver,
where
they
induced
oxidative
stress,
as
evidenced
by
upregulation
sod1,
sod2,
cat
gene
expression.
inclusion
significantly
mitigated
stress
response,
facilitated
coagulation
gut,
reducing
intestinal
absorption.
These
findings
highlight
potential
antioxidants
counteract
MP-induced
reduce
bioavailability
aquaculture
species,
contributing
improved
product
quality.
Language: Английский
Microplastic assessment in aquaculture feeds: Analyzing polymer variability across commercial fishfeeds from three continents
Journal of Hazardous Materials,
Journal Year:
2024,
Volume and Issue:
479, P. 135621 - 135621
Published: Aug. 23, 2024
Language: Английский
Microplastic pollution in aquafeed of diverse aquaculture animals
Mohamed Mohsen,
No information about this author
Jibin Lin,
No information about this author
Kangle Lu
No information about this author
et al.
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(17), P. e37370 - e37370
Published: Sept. 1, 2024
Microplastics
have
emerged
as
pervasive
contaminants,
and
determining
their
occurrence
in
aquafeed
is
key
for
evaluating
risks
to
farmed
animals
and,
by
extension,
humans.
However,
knowledge
about
microplastic
still
limited.
Herein,
we
determined
characteristics
five
important
aquaculture
with
different
feeding
habits.
Aquafeed
samples
were
collected
spotted
sea
bass,
shrimp,
grass
carp,
Tilapia,
frogs
from
main
companies
China.
The
digested
using
chemical
digestion,
the
residuals
subjected
a
density
separation.
identified
under
microscope
characterized
shape,
color,
size,
polymer
type.
results
showed
that
microplastics
are
highly
abundant
feed
of
frogs,
followed
shrimp.
We
found
size
contributes
total
abundance
feed.
Further,
mainly
microfiber
form,
dominant
type
was
propylene,
suggesting
packaging
processing
sources
pollution.
Additionally,
most
100-1000
μm.
Calculating
ingestion
risk,
bass
had
greatest
recorded
risk
ingestion,
This
study
lays
foundational
step
toward
understanding
effects
on
calls
further
environmentally
relevant
laboratory
experiments
assess
potential
transfer
Language: Английский
A multiple biomarker approach to understand the effects of microplastics on the health status of European seabass farmed in earth ponds on the NE Atlantic coast
Environmental Research,
Journal Year:
2024,
Volume and Issue:
263, P. 120208 - 120208
Published: Oct. 21, 2024
Language: Английский