Frontiers in Microbiology,
Journal Year:
2022,
Volume and Issue:
13
Published: April 28, 2022
The
production
efficiency
of
dairy
cows
is
affected
by
altitude,
with
lower
reported
at
higher
altitudes.
However,
only
a
few
studies
have
investigated
the
digestion
performance,
serum
antioxidative
characteristics,
rumen
fermentation
and
bacteria
Sanhe
heifers
different
Therefore,
in
this
study,
we
explored
effects
altitude
on
these
aspects
heifers.
We
evaluated
apparent
digestibility
nutrients,
parameters,
Twenty
from
same
herd
managed
practice
were
used.
two
regions
China:
10
fed
Hulunbuir
City,
Inner
Mongolia
Autonomous
Region
(119°57′E,
47°17′N;
approximately
700
m
named
LA)
Lhasa
Tibet
(91°06′E,
29°36′N;
3,750
HA).
dry
matter
intake
(DMI),
average
daily
gain
(ADG),
DMI/ADG
ratio
(
p
<
0.05)
LA
than
HA
heifers,
whereas
total
tract
matter,
ether
extract,
crude
proteins
group.
Compared
showed
decreased
concentrations
superoxide
dismutase
glutathione
peroxidase
increased
concentration
hydrogen
peroxide
0.05).
Altitude
did
not
significantly
affect
volatile
fatty
acid
rumen,
but
presented
acetate-to-propionate
LA.
16S
rRNA
gene
sequencing
data
that
microbial
composition.
At
phylum
level,
relative
abundance
Actinobacteria
Spirochaetae
correlation
analysis
revealed
operational
taxonomic
units
belonging
to
genus
Prevotella_1
correlated
DMI.
results
indicate
can
influence
antioxidant
capacity,
fermentation,
composition
study
provides
insights
into
adaptation
mechanism
high-altitude
areas.
Veterinary Sciences,
Journal Year:
2025,
Volume and Issue:
12(3), P. 208 - 208
Published: March 1, 2025
This
study
investigated
the
impact
of
varying
dietary
protein–energy
ratios
on
intestinal
microbiota
composition
in
postpartum
weaned
female
yak.
For
this
study,
forty
yaks
were
divided
into
four
groups
and
provided
with
different
treatments
(group
FA:
high-energy
high-protein,
FB:
low-protein,
FC:
low-energy
FD:
control
group,
48%
alfalfa
hay,
oat
grass,
4%
premix)
to
investigate
variations
microflora
profiles
metabolic
responses.
Rectal
fecal
samples
(n
=
24
×
2)
collected
at
day
15
30,
from
all
groups,
total
DNA
was
extracted
estimate
microbial
heterogeneity
community
structures
by
16S
rRNA
sequencing
focusing
V3–V4
regions,
using
Illumina
Nova
Seq
6000
platform.
The
results
revealed
a
5,669,645
raw
data
sequences
(3,189,115
2,480,530
respectively).
Results
showed
that
FA
FB
had
enhanced
protein
metabolism
diversity,
which
marked
significant
increase
(p
<
0.05)
abundance
Ruminococcus.
Conversely,
FD
group
low
level
diversity
predominance
Clostridium
Proteobacteria,
indicating
dysbiosis
stress.
It
concluded
imbalanced
diets
(groups
FC
FD)
upregulated
stress-related
pathways
no
favorable
shifts,
whereas,
significantly
supported
involved
amino
acids
carbohydrate
beneficially
shifted
gut
microbiota.
These
findings
emphasize
importance
supplementation
appropriate
proportions
energy
feed
promote
optimal
health
functioning,
particularly
for
inhabiting
high-altitude
is
challenging
environment.
International Journal of Food Sciences and Nutrition,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 27
Published: Dec. 19, 2024
This
comprehensive
review
examines
the
impact
of
dietary
patterns
on
gut
microbiome
composition
and
diversity
from
infancy
to
old
age,
linking
these
changes
age-related
health
outcomes.
It
investigates
how
develops
across
life
stages,
focusing
influence
factors.
The
explores
early-life
feeding
practices,
including
breastfeeding
formula
feeding,
shape
infant
microbiota
have
lasting
effects.
In
elderly
individuals,
alterations
in
are
associated
with
increased
susceptibility
infections,
chronic
inflammation,
metabolic
disorders
cognitive
decline.
critical
role
diet
modulating
throughout
is
emphasised,
particularly
potential
benefits
probiotics
fortified
foods
promoting
healthy
ageing.
By
elucidating
mechanisms
connecting
food
systems
health,
this
provides
insights
into
interventions
that
could
enhance
resilience
improve
outcomes
lifespan.
BMC Genomics,
Journal Year:
2024,
Volume and Issue:
25(1)
Published: Jan. 17, 2024
Abstract
Background
Dorper
and
Tan
sheep
are
renowned
for
their
rapid
growth
exceptional
meat
quality,
respectively.
Previous
research
has
provided
evidence
of
the
impact
gut
microbiota
on
breed
characteristics.
The
precise
correlation
between
gastrointestinal
tract
peripheral
organs
in
each
is
still
unclear.
Investigating
metabolic
network
intestinal
organ
potential
to
improve
animal
performance
enhance
economic
benefits
through
regulation
metabolites.
Results
In
this
study,
we
identified
advantage
high
fat
content
sheep.
A
transcriptome
study
brain,
liver,
skeletal
muscle,
tissues
both
breeds
revealed
3,750
differentially
expressed
genes
(DEGs).
PPARGC1A
,
LPL
PHGDH
were
found
be
highly
Doper,
resulting
up-regulation
pathways
related
lipid
oxidation,
glycerophospholipid
metabolism,
amino
acid
anabolism.
express
BSEP
LDLR
ACHE
genes,
which
up-regulate
involved
bile
transport
cholesterol
homeostasis.
Hindgut
analysis
200
accumulated
metabolites
(DAMs).
Purines,
pyrimidines,
acids,
fatty
substances
more
abundant
Based
combined
gene
metabolite
analyses,
have
glycine,
serine,
threonine
tryptophan
secretion,
neuroactive
ligand-receptor
interaction
as
key
factors
contributing
differences
among
breeds.
Conclusions
This
indicates
that
different
exhibit
unique
characteristics
various
physiological
regulatory
methods.
upregulate
signals
threonine,
an
increase
purine
pyrimidine
substances.
This,
turn,
promotes
synthesis
acids
facilitates
body
development,
a
faster
rate
weight
gain.
accelerate
transport,
reduce
accumulation
intestine,
homeostasis
muscles.
intramuscular
fat,
improved
quality.
work
adopts
joint
method
multi-tissue
metabolome,
providing
successful
case
analyzing
mechanisms
underlying
formation
traits.
Frontiers in Microbiology,
Journal Year:
2023,
Volume and Issue:
14
Published: Feb. 24, 2023
Extreme
environments
at
high
altitudes
pose
a
significant
physiological
challenge
to
animals.
We
evaluated
the
gut
microbiome
and
fecal
metabolism
in
Sanhe
heifers
from
different
altitudes.Twenty
(body
weight:
334.82
±
13.22
kg,
15-month-old)
selected
two
regions
of
China:
Xiertala
Cattle
Breeding
Farm
Hulunbeier,
Inner
Mongolia
[119°57'
E,
47°17'
N;
approximately
700
m
altitude,
low
altitude
(LA)]
Zhizhao
Dairy
Cow
Lhasa,
Tibet
[91°06'
29°36'
3,650
(HA)],
were
used
this
study.
Fecal
samples
collected
differences
microbiota
metabolomics
determined
using
16S
rRNA
gene
sequencing
metabolome
analysis.The
results
showed
that
did
not
significantly
affect
concentrations
volatile
fatty
acids,
including
acetate,
propionate,
butyrate,
total
acids
(p
>
0.05).
However,
affected
microbial
composition.
Principal
coordinate
analysis
based
on
Bray-Curtis
dissimilarity
revealed
difference
between
groups
=
0.001).
At
family
level,
relative
abundances
Peptostreptococcaceae,
Christensenellaceae,
Erysipelotrichaceae,
Family_XIII
lower
<
0.05)
LA
than
HA
heifers.
In
addition,
Lachnospiraceae,
Domibacillus,
Bacteroidales_S24-7_group,
Bacteroidales_RF16_group,
Porphyromonadaceae,
Spirochaetaceae
higher
Metabolomic
enrichment
10
metabolic
pathways,
organismal
systems,
metabolism,
environmental
information
processing,
genetic
disease
induction.
The
genera
Romboutsia,
Paeniclostridium,
g_unclassified_f_Lachnospiraceae
strongly
associated
with
28
differential
metabolites.
This
study
is
first
analyze
reared
provides
insights
into
adaptation
mechanism
high-altitude
areas.
Frontiers in Veterinary Science,
Journal Year:
2023,
Volume and Issue:
10
Published: June 15, 2023
The
yaks
that
inhabit
the
Tibetan
plateau
are
a
rare
breed
is
closely
related
to
local
economic
development
and
human
civilization.
This
ancient
may
have
evolved
unique
gut
microbiota
due
hypoxic
high-altitude
environment.
susceptible
external
factors,
but
research
regarding
effects
of
different
feeding
models
on
fungal
community
in
remains
scarce.
In
this
study,
we
compared
analyzed
composition
variability
among
wild
(WYG),
house-feeding
domestic
(HFG),
grazing
(GYG).
results
revealed
Basidiomycota
Ascomycota
were
most
preponderant
phyla
community,
regardless
models.
Although
types
dominant
did
not
change,
their
abundances
did.
Intergroup
analysis
diversity
showed
Shannon
Simpson
indices
WYG
GYG
significantly
higher
than
those
HFG.
Fungal
taxonomic
there
20
genera
(Sclerostagonospora
Didymella)
between
GYG,
16
(Thelebolus
Cystobasidium)
Furthermore,
proportions
14
(Claussenomyces
Papiliotrema)
decreased,
whereas
eight
(Stropharia
Lichtheimia)
increased
HFG
as
GYG.
Taken
together,
study
indicated
structure
differ
raised
breeding
groups.
Frontiers in Microbiology,
Journal Year:
2023,
Volume and Issue:
14
Published: Feb. 16, 2023
Weining
cattle
is
a
precious
species
with
high
tolerance
to
cold,
disease,
and
stress,
accounts
for
large
proportion
of
agricultural
economic
output
in
Guizhou,
China.
However,
there
are
gaps
information
about
the
intestinal
flora
cattle.
In
this
study,
high-throughput
sequencing
were
employed
analyze
(WN),
Angus
(An),
diarrheal
(DA),
explore
potential
bacteria
associated
diarrhea.
We
collected
18
fecal
samples
from
Weining,
including
cattle,
Healthy
Angus,
Diarrheal
Angus.
The
results
microbiota
analysis
showed
no
significant
differences
diversity
richness
among
groups
(p
>
0.05).
abundance
beneficial
(Lachnospiraceae,
Rikenellaceae,
Coprostanoligenes,
Cyanobacteria)
significantly
higher
than
<
pathogens
Anaerosporobacter
Campylobacteria
enriched
DA
group.
Furthermore,
Lachnospiraceae
was
very
WN
group
0.05),
which
might
explain
why
less
prone
This
first
report
on
furthering
understanding
relationship
between
health.
Life,
Journal Year:
2024,
Volume and Issue:
14(11), P. 1458 - 1458
Published: Nov. 10, 2024
The
Jiani
yak
is
a
nationally
renowned
species
that
known
for
its
meat
which
rich
in
various
minerals,
amino
acids,
and
proteins.
rumen
microbiota
plays
critical
role
gastrointestinal
health
feed
degradation,
contributing
proteins,
lipids,
volatile
fatty
acids
(VFAs)
essential
milk
production.
However,
there
limited
knowledge
about
the
of
free-ranging
yaks,
especially
those
with
15
ribs.
Rumen
fluid
samples
were
collected
from
yaks
14
(PL)
ribs
(DL)
slaughterhouse
County,
China.
total
DNA
microorganisms
was
extracted
sequencing.
Our
results
revealed
643,713
656,346
raw
sequences
DL
PL
animals,
respectively,
611,934
622,814
filtered
these
two
groups.
We
identified
13,498
Amplicon
Sequence
Variants
(ASVs),
2623
shared
between
animals.
ratio
Bacteroidota
to
Firmicutes
differed
(3.04)
(2.35)
Additionally,
6
phyla
21
genera
showed
significant
differences
ribs,
leading
altered
functions,
51
35
notably
different
MetaCyc
KEGG
pathways,
respectively.
Hence,
differs
Therefore,
microbiota-related
comparative
investigations
will
provide
insights
into
husbandry
practices
genetic
selection
strategies
their
improved
productivity
harsh
environments.
Frontiers in Microbiology,
Journal Year:
2022,
Volume and Issue:
12
Published: Feb. 10, 2022
Rumen
microbiota
are
closely
linked
to
feed
utilization
and
environmental
adaptability
of
ruminants.
At
present,
little
is
known
about
the
influence
different
extreme
environments
on
rumen
yaks.
In
this
study,
30
ruminal
fluid
samples
from
healthy
female
yaks
(average
280
kg
BW)
in
5-8
years
life
were
collected
three
regions
Tibet,
China,
compared
by
gas
chromatography
high-throughput
sequencing.
Results
showed
that
propionic
acid,
butyric
total
volatile
fatty
acids
significantly
(
Frontiers in Microbiology,
Journal Year:
2022,
Volume and Issue:
13
Published: July 18, 2022
It
was
acknowledged
long
ago
that
microorganisms
have
played
critical
roles
in
animal
evolution.
Tibetan
wild
asses
(TWA,
Equus
kiang)
are
the
only
perissodactyls
on
Qinghai-Tibet
Plateau
(QTP)
and
first
national
protected
animals;
however,
knowledge
about
relationships
between
their
gut
microbiota
host's
adaptability
remains
poorly
understood.
Herein,
16S
rRNA
meta-genomic
sequencing
approaches
were
employed
to
investigate
microbiota-host
associations
TWA
compared
against
those
of
co-resident
livestock
yak
(Bos
grunnies)
sheep
(Ovis
aries).
Results
revealed
underwent
convergent
By
contrast,
intestinal
microflora
diverged
a
direction
enabling
host
subsist
sparse
low-quality
forage.
Meanwhile,
high
microbial
diversity
(Shannon
Chao1
indices),
cellulolytic
activity,
abundant
indicator
species
such
as
Spirochaetes,
Bacteroidetes,
Prevotella_1,
Treponema_2
supported
forage
digestion
short-chain
fatty
acid
production
TWA.
enterotype
identification
analysis
showed
shifted
response
for
better
utilization
nitrogen
production.
Metagenomic
plant
biomass
degrading
consortia,
genes,
enzymes
like
strains
(Prevotella
ruminicola,
Ruminococcus
flavefaciens,
albus,
Butyrivibrio
fibrisolvens,
Ruminobacter
amylophilus),
well
carbohydrate
metabolism
genes
(GH43,
GH3,
GH31,
GH5,
GH10)
(β-glucosidase,
xylanase,
β-xylosidase,
etc.)
had
significantly
higher
enrichment
Our
results
indicate
can
improve
through
degradation
energy
maintenance
by
functions
face
nutritional
deficiencies
also
provide
strong
rationale
understanding
adaptation
QTP
wildlife
when
facing
harsh
feeding
environments.