Selecting suitable sites for livestock manure composting via the integration of machine learning, median center and geographic information system
Agricultural Systems,
Год журнала:
2025,
Номер
226, С. 104300 - 104300
Опубликована: Март 14, 2025
Язык: Английский
The Mechanisms of Tetracycline in Shaping Antibiotic Resistance Gene Dynamics in Earthworm Casts During Vermicomposting
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
Язык: Английский
From waste to feed: In vitro assessment of spent silkworm by-products and manure-raised housefly as soybean meal substitutes in ruminant feed
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Июнь 3, 2025
The
study
aimed
to
evaluate
the
efficiency
of
utilizing
insects-spent
silkworm
pupae,
either
fed
naturally
on
mulberry
leaves
(SW-N)
or
an
artificial
diet
(SW-A),
as
well
housefly
larvae
(HF-L)
and
pupae
(HF-P)
reared
swine
manure-as
alternative
feeds
replace
soybean
meal
in
ruminant
(60%
grass:
40%
meal)
at
inclusion
levels
5%,
10%,
20%,
40%.
This
assessed
their
nutritional
value
investigated
effects
nutrient
digestibility,
rumen
fermentation
profile,
methane
(CH4)
production
using
vitro
batch
culture
technique.
results
showed
that
tested
insects
had
higher
protein
fat
contents
than
meal.
Fatty
acid
analysis
revealed
SW-N
SW-A
were
rich
unsaturated
fatty
acids
(70.9%
60.6%,
respectively),
whereas
HF-L
HF-P
contained
52.4%
51.4%,
respectively.
up
no
negative
volatile
(VFA)
production,
increased
ammonia-nitrogen
concentration
decreased
CH4
by
20%.
Although
supplementation
reduced
25%,
exceeding
10%
inhibited
fermentation.
In
conclusion,
can
effectively
diets;
while
is
not
recommended.
These
represent
a
promising
strategy
for
sustainable
feed
development
with
CH4-reduction
potential.
Язык: Английский