Environmental Science and Pollution Research,
Journal Year:
2024,
Volume and Issue:
31(21), P. 30819 - 30835
Published: April 15, 2024
Manure
from
food-producing
animals,
rich
in
antibiotic-resistant
bacteria
and
antibiotic
resistance
genes
(ARGs),
poses
significant
environmental
healthcare
risks.
Despite
global
efforts,
most
manure
is
not
adequately
processed
before
use
on
fields,
escalating
the
spread
of
antimicrobial
resistance.
This
study
examined
how
different
cattle
treatments,
including
composting
storage,
affect
its
microbiome
resistome.
The
changes
occurring
resistome
treated
samples
were
compared
with
those
raw
by
high-throughput
qPCR
for
ARGs
tracking
sequencing
V3-V4
variable
region
16S
rRNA
gene
to
indicate
bacterial
community
composition.
We
identified
203
mobile
genetic
elements
(MGEs)
manure.
Post-treatment
reduced
these
76
composted
51
stored
samples.
Notably,
beta-lactam,
cross-resistance
macrolides,
lincosamides
streptogramin
B
(MLSB),
vancomycin
decreased,
while
linked
MGEs,
integrons,
sulfonamide
increased
after
composting.
Overall,
total
abundance
significantly
dropped
both
treatments.
During
composting,
relative
was
lower
midway
than
at
end.
Moreover,
higher
biodiversity
observed
storage.
Our
current
research
shows
that
storage
effectively
reduce
However,
it
challenging
determine
which
method
superior,
as
groups
react
differently
each
treatment,
even
though
a
notable
overall
reduction
observed.
Microbiome,
Journal Year:
2021,
Volume and Issue:
9(1)
Published: March 20, 2021
Abstract
Background
Viruses
are
the
most
abundant
biological
entities
on
Earth,
known
to
be
crucial
components
of
microbial
ecosystems.
However,
there
is
little
information
viral
community
within
agricultural
waste.
There
currently
~
2.7
million
dairy
cattle
in
UK
producing
7–8%
their
own
bodyweight
manure
daily,
and
28
tonnes
annually.
To
avoid
pollution
freshwaters,
must
stored
spread
accordance
with
guidelines
set
by
DEFRA.
Manures
used
as
fertiliser,
widely
over
crop
fields,
yet
about
composition.
We
analysed
virome
slurry
a
5-month
period
using
short
long-read
sequencing.
Results
Hybrid
sequencing
uncovered
more
high-quality
genomes
than
long
or
short-reads
alone;
yielding
7682
vOTUs,
174
which
were
complete
genomes.
The
was
highly
diverse
dominated
lytic
bacteriophage,
majority
represent
novel
genera
(~
98%).
Despite
constant
influx
efflux
slurry,
composition
diversity
extremely
stable
time,
55%
vOTUs
detected
all
samples
period.
Functional
annotation
revealed
range
auxiliary
metabolic
genes
features
present
community,
including
agriculturally
relevant
virulence
factor
VapE,
distributed
across
different
phage
that
predicted
infect
several
hosts.
Furthermore,
we
identified
an
abundance
phage-encoded
diversity-generating
retroelements,
previously
thought
rare
Additionally,
group
crAssphages,
lineages
only
found
human
gut.
Conclusions
complex,
genera,
many
not
recovered
alone.
Phages
encode
wide
AMGs
constrained
particular
groups
hosts,
determinants
putative
ARGs.
application
land
may
therefore
driver
bacterial
antimicrobial
resistance
environment.
C – Journal of Carbon Research,
Journal Year:
2021,
Volume and Issue:
7(3), P. 58 - 58
Published: July 29, 2021
Our
ever-increasing
interest
in
economic
growth
is
leading
the
way
to
decline
of
natural
resources,
detriment
air
quality,
and
fostering
climate
change.
One
potential
solution
reduce
carbon
dioxide
emissions
from
industrial
emitters
exploitation
capture
storage
(CCS).
Among
various
CO2
separation
technologies,
cryogenic
(CCC)
could
emerge
by
offering
high
recovery
rates
purity
levels.
This
review
covers
different
CCC
methods
that
are
being
developed,
their
benefits,
current
challenges
deterring
commercialisation.
It
also
offers
an
appraisal
for
selected
feasible
small-
large-scale
applications,
including
blue
hydrogen
production
direct
capture.
work
considers
technological
readiness
deployment
acknowledges
competing
technologies
ends
providing
some
insights
into
future
directions
related
R&D
systems.
The Science of The Total Environment,
Journal Year:
2020,
Volume and Issue:
755, P. 142940 - 142940
Published: Oct. 14, 2020
Cow
manure
represents
a
surplus
waste
in
agricultural
food
sectors,
which
requires
proper
disposal.
Anaerobic
digestion,
this
regard,
has
raised
global
interest
owing
to
its
apparent
environmental
benefits,
including
simultaneous
diminishment
and
renewable
energy
generation.
However,
dedicated
intensifications
are
necessary
promote
the
degradation
of
recalcitrant
lignocellulosic
components
cow
manure.
Hence,
manuscript
presents
review
how
exploit
anaerobic
digestion
through
different
incentives
extensively
at
lab-scale
full-scale.
These
strategies
comprise
1)
co-digestion;
2)
pretreatment;
3)
introduction
additives
(trace
metals,
carbon-based
materials,
low-cost
composites,
nanomaterials,
microbial
cultures);
4)
innovative
systems
(bio-electrochemical
fields
laser
irradiation).
Results
imply
that
co-digestion
pretreatment
approaches
gain
predominance
on
promoting
performance
Particularly,
for
scenario,
selection
lignin-poor
co-substrate
is
highlighted
produce
maximum
synergy
pronounced
removal
compounds
Mechanical,
thermal,
biological
(composting)
pretreatments
generate
mild
improvement
laboratory-scale
proved
applicable
full-scale
facilities.
It
noteworthy
(Fe-based
composites)
acquiring
more
attention
shows
promising
application
potential.
Finally,
bio-electrochemical
stand
out
laboratory
trials
may
serve
as
future
reactor
modules
installations
treating
Agronomy,
Journal Year:
2021,
Volume and Issue:
11(11), P. 2221 - 2221
Published: Nov. 2, 2021
Pineapple
waste
accounts
for
a
significant
part
of
accumulated
in
landfill
which
will
further
contribute
to
the
release
greenhouse
gases.
With
rising
pineapple
demands
worldwide,
abundance
and
its
disposal
techniques
are
major
concern.
Exploiting
into
valuable
products
could
be
most
sustainable
way
managing
these
residues
due
their
useful
properties
compositions.
In
this
review,
we
concentrated
on
producing
from
on-farm
processing
waste.
Bioenergy
is
suitable
option
green
energy
encounter
increasing
demand
renewable
promotes
development
agricultural
The
presence
protease
enzyme
makes
it
raw
material
bromelain
production.
high
cellulose
content
present
has
potential
production
nanocrystals,
biodegradable
packaging
bio-adsorbent,
can
potentially
applied
polymer,
food
textile
industries.
Other
than
that,
also
substrate
wine,
vinegar
organic
acid
sugar
content,
especially
peel
wastes.
potentials
bioenergy
through
biofuels
(bioethanol,
biobutanol
biodiesel)
biogas
(biomethane
biohydrogen)
were
assessed.
commercial
use
pineapples
highlighted.
Despite
opportunities,
future
perspectives
challenges
concerning
utilisation
value-added
goods
addressed.
conversions
have
shown
reduce
generation,
derived
conversion
would
support
waste-to-wealth
concept.
Journal of Cleaner Production,
Journal Year:
2021,
Volume and Issue:
315, P. 128106 - 128106
Published: June 24, 2021
Current
trends
of
livestock
expansion
and
associated
mass
production
manure
bring
a
net
import
nutrients
that
have
led
to
significant
excess
in
many
areas.
The
implementation
an
efficient
more
economical
technology
solution
recover
re-use
from
raw
or
digested
wastes
is
essential
will
reduce
the
need
for
fossil-fuel
based
fertilizers.
From
waste
management
standpoint,
identification
nutrient
recovery
technologies
considered
one
main
challenges
within
circular
economy
context.
Several
traditional
techniques
exist
treatment
such
as,
gasification,
thermochemical
conversion,
composting,
hydrothermal
carbonization,
liquefaction.
However,
these
face
related
energy
consumption
recovered
quality.
In
this
context,
freeze
concentration
(FC)
emerging
technique
can
be
applied
water
concentrate
liquid
effluents.
This
brings
advantages
as
high
factor
low
usage.
only
semi-industrialised
most
applications
remains
at
development
stage.
Many
studies
been
conducted
design
develop
processes
target
improvement
both
productivity
efficiency,
which
makes
attractive
research
subject
scientific
community.
Combination
with
another
technology,
membranes,
generate
hybrid
process
must
also
considered.
approach
resource
animal
would
ultimately
create
sustainable
economy.
paper
evaluates
current
state-of-the-art
processing
strategies
materials
contains
up-to-date
critical
review
on
nutrient-rich
effluent
valorization
technologies;
focusing
latest
technological
progress
introduces
potential
offers,
has
marginally
explored
date.
work
comparative
analysis
different
terms
their
cost,
consumption,
operational
management,
results
obtained
bench
large-scale
experiments;
making
it
possible
determine
best
practice
procedures
manure.
