Animal Genetics,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 26, 2024
Abstract
The
reproductive
characteristics
of
Hanwoo
play
a
significant
role
in
farm
profitability
by
decreasing
the
generation
interval.
This
study
analyzed
1015
primiparous
and
916
multiparous
cows
using
genome‐wide
association
with
both
single‐locus
(GEMMA,
GCTA)
multi‐locus
models
(FarmCPU,
BLINK).
A
marker
for
age
at
first
service
was
identified
across
all
methods.
For
conception,
GEMMA
two
markers,
while
FarmCPU
BLINK
14
respectively.
Regarding
calving,
found
15
In
cows,
except
days
open,
one
gestation
length
markers
calving
interval
were
(FarmCPU
Additionally,
number
services
per
conception
GEMMA.
Key
candidate
genes
included
PLCB1
(maintaining
pregnancy),
MUC1
(fetal
development),
ADCY5
(associated
fetal
birth),
TXNL1
regulates
embryo
implantation
timing.
Gene
ontology
functions
associated
placental
regulation
also
confirmed
(GO:0046875).
Although
greater
genes,
there
no
overlap
results
from
models.
showed
enhanced
detection
power,
but
slight
inflation
test
statistics
(
λ
values)
necessitates
cautious
interpretation
to
avoid
false
positives.
Thus,
combination
is
recommended
improve
efficiency
providing
valuable
insights
into
genetic
aspects
traits.
Veterinary and Animal Science,
Journal Year:
2024,
Volume and Issue:
25, P. 100382 - 100382
Published: July 23, 2024
Cattle
are
regarded
as
highly
valuable
animals
because
of
their
milk,
beef,
dung,
fur,
and
ability
to
draft.
The
scientific
community
has
tried
a
number
strategies
improve
the
genetic
makeup
bovine
germplasm.
To
ensure
higher
returns
for
dairy
beef
industries,
researchers
face
greatest
challenge
in
improving
commercially
important
traits.
One
biggest
developments
last
few
decades
creation
instruments
cattle
improvement
is
discovery
genome.
Breeding
livestock
being
revolutionized
by
genomic
selection
made
possible
availability
medium-
high-density
single
nucleotide
polymorphism
(SNP)
arrays
coupled
with
sophisticated
statistical
techniques.
It
becoming
easier
access
high-dimensional
data
cattle.
Continuously
declining
genotyping
costs
an
increase
services
that
use
return
on
investment
have
both
significant
contribution
this.
field
genomics
come
long
way
thanks
groundbreaking
discoveries
such
radiation-hybrid
mapping,
situ
hybridization,
synteny
analysis,
somatic
cell
genetics,
cytogenetic
maps,
molecular
markers,
association
studies
quantitative
trait
loci,
high-throughput
SNP
genotyping,
whole-genome
shotgun
sequencing
genome
editing.
These
advancements
had
positive
impact
genomics.
This
manuscript
aimed
review
recent
advances
technologies
breeding
future
prospects
this
field.
Animals,
Journal Year:
2024,
Volume and Issue:
14(16), P. 2382 - 2382
Published: Aug. 16, 2024
In
recent
years,
genome-wide
association
studies
(GWAS)
and
metabolome
(mGWAS)
have
emerged
as
crucial
methods
for
investigating
complex
traits
in
animals
plants.
These
played
pivotal
roles
research
on
livestock
poultry
breeding,
facilitating
a
deeper
understanding
of
genetic
diversity,
the
relationship
between
genes,
bases
poultry.
This
article
provides
review
applications
GWAS
mGWAS
animal
aiming
to
offer
reference
inspiration
relevant
researchers,
promote
innovation
improvement
breeding
methods,
contribute
sustainable
development
husbandry.
Frontiers in Genetics,
Journal Year:
2025,
Volume and Issue:
16
Published: Jan. 31, 2025
Simmental
cattle
are
renowned
for
their
dual
purpose
as
meat
and
dairy
breeds.
The
study
recorded
phenotype
data
from
183
performed
a
Genome-Wide
Association
Study
(GWAS)
analysis
to
elucidate
the
genetic
mechanisms
underlying
milk
production,
body
size
traits,
tail
characteristics.
Statistical
of
showed
that
season,
parity,
age
at
first
calving
(AFC)
factors
had
significant
effect
on
production
(P
<
0.05).
results
GWAS
linear
traits
revealed
candidate
genes
SH3RF2,
DCHS2,
ADAMTS1,
CAMK4,
PPARGC1A,
PRL,
PRP6,
CORIN
have
been
found
affect
circumference
(BC)
cannon
(CC).
Through
including
Circumference
over
root
(COTR)
Tail
Length
(TL)
in
cattle,
associated
with
length,
such
KIF26B,
ITPR2,
SLC8A1,
SLIT3
were
identified.
Interestingly,
IL1RAP,
AQP9,
PKD2
also
metabolic
inflammation
tails.
These
markers
offer
valuable
insights
into
facilitating
development
molecular
breeding
strategies
enhance
value
provide
references
programs.
Veterinary Sciences,
Journal Year:
2025,
Volume and Issue:
12(2), P. 109 - 109
Published: Feb. 2, 2025
Growth
traits
are
among
the
most
important
economic
phenotypes
targeted
in
genetic
improvement
of
beef
cattle.
To
understand
basis
growth
Huaxi
cattle,
we
performed
a
genome-wide
association
study
(GWAS)
on
body
weight,
eye
muscle
area,
and
back
fat
thickness
across
five
developmental
stages
population
202
Additionally,
publicly
available
RNA-seq
data
from
longissimus
dorsi
both
young
adult
cattle
were
analyzed
to
identify
key
genes
markers
associated
with
In
total,
7.19
million
high-quality
variant
loci
(SNPs
INDELs)
identified
all
samples.
GWAS,
three
multilocus
models
(FarmCPU,
MLMM,
BLINK)
outperformed
conventional
single-locus
(CMLM,
GLM,
MLM).
Consequently,
GWAS
analysis
was
conducted
using
models,
which
99
significantly
annotated
total
83
candidate
(CDGs).
23
CDGs
overlapped
differentially
expressed
public
datasets
between
Furthermore,
gene
functional
enrichment
(KEGG
GO)
analyses
revealed
that
over
30%
pathways
GO
terms
development
deposition,
crucial
factors
for
production.
Specifically,
included
MGLL,
SGMS1,
SNX29
AKAP6,
implicated
lipid
metabolism,
adipogenesis,
growth.
summary,
this
provides
new
insights
into
mechanisms
underlying
presents
promising
future
breeding
improvements.
Frontiers in Veterinary Science,
Journal Year:
2024,
Volume and Issue:
11
Published: Oct. 24, 2024
The
study
presents
a
comprehensive
investigation
into
the
genetic
determinants
of
100-day
milk
yield
(100DMY),
305-day
(305DMY),
total
(TMY),
and
persistency
using
first
lactation
records
374
Holstein
heifers
reared
in
private
farm
at
Çanakkale
province
Türkiye,
employing
genome-wide
association
(GWAS)
approach.
research
underscores
substantial
component
underlying
these
economically
important
traits
through
detailed
descriptive
statistics
heritability
estimations.
estimated
moderate
to
high
heritabilities
(0.32-0.54)
for
production
suggest
feasibility
targeted
improvement
strategies.
By
leveraging
GWAS,
identifies
many
significant
suggestively
single
nucleotide
polymorphisms
(SNP)
associated
with
studied
traits.
Noteworthy
genes
have
identified
this
analysis
include
BCAS3,
MALRD1,
CTNND2,
DOCK1,
TMEM132C,
NRP1,
CNTNAP2,
GPRIN2,
PLEKHA5,
GLRA1,
SCN7A,
HHEX,
KTM2C,
RAB40C,
RAB11FIP3,
FXYD6.
These
findings
provide
valuable
understandings
background
cattle,
shedding
light
on
specific
genomic
regions
candidate
playing
pivotal
roles
This
contributes
knowledge
field
dairy
cattle
genetics
informs
future
breeding
efforts
improve
sustainability
efficiency
populations.
Animal Biotechnology,
Journal Year:
2024,
Volume and Issue:
35(1)
Published: Aug. 12, 2024
The
flavour,
tenderness
and
juiciness
of
the
beef
are
all
impacted
by
composition
intramuscular
fat
(IMF),
which
is
a
key
determinant
quality.
Thus,
enhancing
IMF
cattle
has
become
major
area
research.
Consequently,
aim
this
paper
was
to
provide
insight
synthesis
into
emerging
technologies,
nutritional
practices
management
strategies
improve
in
cattle.
This
review
examined
current
knowledge
techniques
approaches
relevant
farming
industry.
It
includes
thorough
investigation
animal
handling,
weaning
age,
castration,
breed
selection,
sex
determination,
environmental
factors,
grazing
methods,
slaughter
weight
age.
Additionally,
it
rigorously
explored
dietary
energy
levels
optimization
fatty
acid
profiles,
as
well
use
feed
additives
hormone
implant
with
their
associated
regulations.
also
delved
technologies
that
shaping
future
production,
such
genomic
selection
genome
editing
techniques,
epigenomic
analyses,
microbiome
manipulation
strategies,
transcriptomic
profiling
metabolomics
analyses.
In
conclusion,
holistic
approach
combining
genomic,
imperative
for
achieving
targeted
content
ensuring
high-quality
production.
Abstract
Bananas
(Musa
spp.)
are
an
essential
fruit
worldwide
and
rank
as
the
fourth
most
significant
food
crop
for
addressing
malnutrition
due
to
their
rich
nutrients
starch
content.
The
potential
of
genetic
diversity
remains
untapped
limited
molecular
breeding
tools.
Our
study
examined
a
phenotypically
diverse
group
124
accessions
from
Colombian
Musaceae
Collection
conserved
in
AGROSAVIA.
We
assessed
12
traits
categorized
into
morphology,
quality,
yield,
alongside
sequence
data.
sequencing
efforts
provided
valuable
insights,
with
average
depth
about
7×
per
accession,
resulting
187,133
single-nucleotide
polymorphisms
(SNPs)
against
Musa
acuminata
(A
genome)
220,451
balbisiana
(B
genome).
Population
structure
analysis
grouped
samples
four
five
clusters
based
on
reference
genome.
By
using
different
association
models,
we
identified
marker–trait
associations
(MTAs).
mixed
linear
model
revealed
MTAs,
while
Bayesian-information
linkage-disequilibrium
iteratively
nested
keyway
fixed
random
circulating
probability
unification
models
82
70
respectively.
38
40
candidate
genes
linkage
proximity
MTAs
A
genome
B
genome,
findings
provide
insights
underpinnings
yield.
Once
validated,
SNP
markers
can
potentially
drive
advancements
genomic-guided
strategies
enhance
banana
improvement.