Journal of Nutrition,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 1, 2024
We
have
exceeded
the
earth's
carrying
capacity
to
manage
amount
of
nitrogen
(N)
waste
being
generated
globally,
which
can
devastating
environmental
consequences
if
immediate
action
is
not
taken.
Our
global
food
system
a
major
N
user
and
contributor
waste.
Pork
most
consumed
animal-derived
protein
source
in
world,
but
like
other
producing
animals,
use
efficiency
converting
dietary
edible
lean
meat
less
than
50%.
However,
undigested
excreted
manure
be
recycled
by
using
appropriate
storage
application
methods
crop
land
prevent
further
losses
emissions
environment.
Therefore,
feed
manure,
along
with
animal
health
mortality
are
main
contributors
pig
production
systems.
Practical
approaches
reduce
environment
from
must
focused
on
fine-tuning
amino
acid
concentrations
match
individual
requirements,
optimizing
ingredient
resource
use,
upcycling
agri-industrial
by-products
sources
loss
waste,
improving
management,
maintaining
health.
Biomass Conversion and Biorefinery,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 14, 2025
Abstract
Livestock
farming
and
manure
management
contribute
substantially
to
greenhouse
gas
(GHG)
emissions
in
agriculture.
Anaerobic
digestion
(AD)
of
is
a
promising
strategy
for
mitigating
these
emissions.
This
study
aimed
assess
the
biomethane
potential
(BMP)
various
types
pig
slurry,
investigate
factors
that
influence
production,
analyze
degradation
kinetics,
propose
AD
process
optimization
approaches.
Thus,
substrate
analysis,
BMP
tests
batch
assays,
kinetic
modeling,
principal
component
analysis
(PCA)
were
conducted.
In
order
further
quantify
effects
different
qualities
full-scale
operation,
production
was
simulated
under
steady-state
conditions.
Results
indicated
piglet
slurry
had
highest
volatile
solids
(VS)–specific
(203
±
72
L
kg
−1
VS),
followed
by
mixed
(202
132
fattening
(117
56
sow
(86
17
VS).
The
PCA
revealed
significant
roles
VS,
crude
fat,
fatty
acids
concentration,
carbon/nitrogen
ratio
achieving
high
BMPs.
First-order
two-step
modeling
identified
hydrolysis
as
rate-limiting
step,
showing
determinant
step
<
0
each
sample.
simulation
continuous
operation
notable
differences
daily
(36.7–42.7
day
)
between
slurries
at
same
hydraulic
retention
time
BMP.
research
underscores
variability
characteristics,
exemplified
total
range
1.4–12.1%,
provides
crucial
insights
optimizing
processes
livestock
waste
management.
Agriculture,
Год журнала:
2025,
Номер
15(2), С. 153 - 153
Опубликована: Янв. 12, 2025
With
the
continuous
development
of
animal
husbandry,
harmless
handling
and
resource
utilization
livestock
manure
has
gradually
become
a
bottleneck
problem
in
sustainable
agriculture
production
China.
This
study
evaluates
policies
related
to
different
economic
periods
The
decreased
pollutant
discharge
from
indicates
effectiveness
strategy
aiming
encourage
construction
treatment
facilities
cropland
establish
sound
legal
system
for
discharge.
New
measures
should
be
introduced
promote
coupling
intensive
breeding
crop
planting,
with
direction
nutrient
management
planning
incorporation
service
platform
manure.
Technological
innovation
green
supported
by
achieve
source
reduction
pollutants
waste.
Sustainability,
Год журнала:
2025,
Номер
17(6), С. 2612 - 2612
Опубликована: Март 16, 2025
The
efficient
resource
utilization
of
livestock
manure
has
received
extensive
attention
worldwide
at
present,
and
the
related
technology
been
continuously
improved,
while
potential
for
in
terms
fertilizer
energy
is
not
yet
clear.
In
order
to
more
accurately
assess
fertilizing
energizing
manure,
this
study
took
Liaoning
Province,
a
large
poultry
farming
province
China,
as
an
example.
Based
on
statistical
data
field
research,
assessed
based
calculating
amount
resources
Province
2023
by
applying
method
excretion
coefficients
other
methods.
results
show
that
(1)
total
was
104.41
×
106
t;
(2)
amounts
organic
matter
(OM),
nitrogen
(N),
phosphorus
(P),
potassium
(K)
could
be
converted
into
were
18.86
10⁶
t,
2.03
3.05
2.26
respectively,
which
sufficient
replace
chemical
application
Province;
(3)
energization
3826.73
104
t
standard
coal
or
1950.61
107
m3
biogas,
respectively.
can
provide
reference
basis
preliminary
estimation
China
even
world,
great
significance
global
reduction
dependence
fertilizers,
optimization
structure,
maintenance
ecological
balance.
This
also
help
promote
improvement
policies
achieve
high
efficiency
manure.
Toxics,
Год журнала:
2025,
Номер
13(4), С. 273 - 273
Опубликована: Апрель 3, 2025
Earthworm
gut
digestion
plays
a
crucial
role
in
reducing
antibiotic
resistance
genes
(ARGs)
during
vermicomposting,
offering
significant
potential
for
controlling
ARG
dissemination
livestock
manure.
However,
the
impact
of
residual
tetracycline
antibiotics
on
this
process
remains
poorly
understood.
Herein,
study
systematically
evaluated
three
concentrations
(0,
10,
and
100
mg/kg)
dynamics
microbial
community
evolution
35-day
vermicomposting
cattle
The
results
demonstrated
that
earthworm
intestinal
effectively
eliminated
over
96%
initial
load
raw
Noticeably,
stress
significantly
enhanced
total
abundance
casts
(p
<
0.05),
with
distinct
response
patterns
observed
among
different
types.
Mechanistic
analysis
revealed
potentially
persistence
through
two
pathways:
(1)
promoting
horizontal
transfer
via
mobile
genetic
elements,
(2)
altering
succession
influence
host–microbe
relationships.
These
discoveries
contribute
to
our
comprehension
interference
vermi-remediation
processes
provide
insights
optimizing
mitigation
strategies
contaminated
Journal of Environmental Management,
Год журнала:
2024,
Номер
371, С. 123184 - 123184
Опубликована: Ноя. 11, 2024
Chicken
manure
is
a
raw
material
with
potential
value
as
fertilizer.
The
present
work
documented
an
8-month
continuous
spontaneous
fermentation
process,
referred
to
AFRODITE®
(Aerobic
Fermentation
and
Revaluation
of
Organic
matrix
Develop
Improve
Essence
soil),
where
the
main
physical,
chemical
microbiological
parameters
have
been
investigated
for
two
years
within
company
FOMET
S.p.A.
pelletized
final
product
reached
in
both
stable
pH
(6.5-7.5),
moisture
(17.0-13.8%),
total
nitrogen
(3.0-3.8%)
C/N
ratio
(10.46-10.66);
eubacteria
population
decreased
(from
10
11
about
7
Log
CFU/g),
selection
thermophilic/hyperthermophilic
microbiota
due
high
temperatures
during
process.
commercial
microbiologically
safe
rich
bacteria
that
were
isolated
identified.
dominant
species
belong
Bacillus
genus,
which
includes
several
Plant
Growth
Promoting
Rhizobacteria
whose
beneficial
activities
towards
soil
plant
are
widely
known.
A
greenhouse
experiment
lettuce
eggplants
showed
positive
effect
concentrations
(2.5
5%
w/w)
combination
mixture
topsoil/river
sand.
In
particular,
27%
fresh
weight
increase
was
observed
amounts
whereas
average
production
three
times
higher
using
compared
untreated
control.
This
has
highlighted
chicken
followed
by
pelletization
allows
obtainment
product,
nutritional
elements,
possessing
growth-promoting
effects
on
horticultural
plants.
process
represents
virtuous
example
circular
economy.
