Frontiers in Veterinary Science,
Journal Year:
2024,
Volume and Issue:
11
Published: Nov. 8, 2024
Rumen-protected
methionine
(RPM)
such
as
coated
(CM)
and
2-hydroxy-4-(methylthio)-butanoic
acid
isopropyl
ester
(HMBi)
was
usually
used
in
dairy
cows,
but
how
RPM
affects
meat
goats
remains
unclear.
In
this
study,
thirty
weaned
male
Jianzhou
Da'er
were
randomly
assigned
to
one
of
three
treatments:
fed
basal
diet
or
supplemented
with
0.12%
CM
0.22%
HMBi,
the
aim
examining
their
impact
on
growth
performance,
serum
biochemistry,
rumen
fermentation,
microbiota,
intestinal
development
goats.
The
findings
indicate
that
HMBi
supplementation
led
an
increase
body
weight,
feed
intake,
feed-to-gain
ratio,
whereas
only
resulted
intake
(all
Fermentation,
Journal Year:
2025,
Volume and Issue:
11(4), P. 173 - 173
Published: March 26, 2025
Rumen
bacteria
have
the
ability
to
efficiently
degrade
and
acidify
lignocellulosic
biomass,
among
which
rumen
solid-phase
are
more
dominant.
However,
effectiveness
of
in
vitro
cultured
ruminal
producing
volatile
fatty
acids
(VFA)
during
biomass
degradation
remains
unclear.
This
study
presents
a
feasibility
analysis
long-term
subculture
for
VFA
production.
The
results
indicated
that
production
could
reach
0.20–0.30
g/g
dry
matter.
After
40
generations
(200
days)
subculturing,
bacterial
community
underwent
alterations.
relative
abundance
certain
fiber-degrading,
acid-producing
bacteria,
were
less
abundant
solids,
such
as
Oribacterium
Victivallis,
was
significantly
upregulated
following
subculturing
vitro.
success
this
over
an
extended
period
achieving
efficient
is
considerable
importance
practical
application
microorganisms
settings.
Journal of Environmental Management,
Journal Year:
2025,
Volume and Issue:
384, P. 125516 - 125516
Published: April 27, 2025
A
cascade
biorefinery
concept
was
proposed
for
the
first
time
to
produce
furfural
and
subsequent
volatile
fatty
acids
production
using
corn
stover
as
biomass.
In
step,
Subcritical
water
pre-treatment
used
extract
from
hemicellulose
into
liquid
phase,
while
solid
rich
in
cellulose
lignin,
fermented
anaerobically
second
step
(VFA).
subcritical
treatment
combined
with
CO2
pressurizing
agent
both
a
of
biomass,
fraction
lignocellulosic
After
1h
at
180
°C
50
bar,
yield
29
%
obtained
phase.
Acetic
formic
acid
were
generated
side
products
treatment.
Following
this
treatment,
49.4
initial
solids
recovered,
marked
reduction
content
(from
33
5
%)
an
increase
39
62
lignin
21
%).
This
then
subjected
anaerobic
fermentation.
Inoculum
type
key
parameter,
12
higher
when
cow
rumen
compared
digestion
(AD)
sludge
wastewater
plant.
Pre-treatment
did
not
improve
organic
matter
biodegradation,
probably
due
its
high
content.
However,
showed
be
successful
consecutive
two
value-added
low
value
raw
material.