Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: June 27, 2023
Abstract
Background.
Genomewide
prediction
estimates
the
genomic
breeding
values
of
selection
candidates
which
can
be
utilized
for
population
improvement
and
cultivar
development.
Ridge
regression
deep
learning-based
models
were
implemented
yield
agronomic
traits
204
chile
pepper
genotypes
evaluated
in
multi-environment
trials
New
Mexico,
USA.
Results.
Accuracy
differed
across
different
under
five-fold
cross-validations,
where
high
accuracy
was
observed
highly
heritable
such
as
plant
height
width.
No
model
superior
using
14,922
SNP
markers
genomewide
selection.
Bayesian
ridge
had
highest
average
first
pod
date
(0.77)
total
per
(0.33).
Multilayer
perceptron
(MLP)
most
flowering
time
(0.76)
(0.73),
whereas
BLUP
width
(0.62).
Using
a
subset
7,690
loci
resulting
from
grouping
based
on
linkage
disequilibrium
coefficients
resulted
improved
date,
ten
weight,
plant,
even
relatively
small
training
size
MLP
random
forest
models.
Genomic
sufficient
optimal
accuracies
size.
Combining
phenotypic
response
yield-related
traits,
indicating
that
integrated
approaches
result
gains
achieved
through
Conclusions.
learning
demonstrate
potential
implementing
genetic
programs.
Ultimately,
large
data
is
relevant
Biology,
Journal Year:
2024,
Volume and Issue:
13(1), P. 29 - 29
Published: Jan. 4, 2024
Diseases
pose
a
significant
and
pressing
concern
for
the
sustainable
development
of
aquaculture
sector,
particularly
as
their
impact
continues
to
grow
due
climatic
shifts
such
rising
water
temperatures.
While
various
approaches,
ranging
from
biosecurity
measures
vaccines,
have
been
devised
combat
infectious
diseases,
efficacy
is
disease
species
specific
contingent
upon
multitude
factors.
The
fields
genetics
genomics
offer
effective
tools
control
prevent
outbreaks
in
aquatic
animal
species.
In
this
study,
we
present
key
findings
our
recent
research,
focusing
on
genetic
resistance
three
diseases:
White
Spot
Syndrome
Virus
(WSSV)
white
shrimp,
Bacterial
Necrotic
Pancreatitis
(BNP)
striped
catfish,
skin
fluke
(a
parasitic
ailment)
yellowtail
kingfish.
Our
investigations
reveal
that
all
possess
substantial
heritable
components
disease-resistant
traits,
indicating
potential
responsiveness
artificial
selection
improvement
programs
tailored
these
diseases.
Also,
observed
high
association
between
traits
survival
rates.
Through
selective
breeding
aimed
at
enhancing
pathogens,
achieved
gains,
averaging
10%
per
generation.
These
also
contributed
positively
overall
production
performance
productivity
Although
effects
immunological
or
immune
responses
were
not
they
yielded
favorable
results
catfish.
Furthermore,
genomic
analyses,
including
shallow
genome
sequencing
pedigreed
populations,
enriched
understanding
architecture
underlying
traits.
are
primarily
governed
by
polygenic
nature,
with
numerous
genes
variants,
each
small
effects.
Leveraging
range
advanced
statistical
methods,
mixed
models
machine
deep
learning,
developed
prediction
demonstrated
moderate-to-high
levels
accuracy
forecasting
disease-related
addition
genomics,
RNA-seq
experiments
identified
several
undergo
upregulation
response
infection
viral
loads
within
populations.
Preliminary
microbiome
data,
while
offering
limited
predictive
one
studied
species,
underscore
combining
data
sequence
information
enhance
power
Lastly,
paper
briefly
discusses
roles
precision
agriculture
systems
AI
algorithms
outlines
path
future
research
expedite
lines
target
conclusion,
study
underscores
critical
role
fortifying
sector
against
threats
posed
paving
way
more
resilient
development.
Animals,
Journal Year:
2025,
Volume and Issue:
15(8), P. 1165 - 1165
Published: April 18, 2025
The
meat
yield
(MY)
is
a
key
economic
trait
in
Pacific
whiteleg
shrimp
(Penaeus
vannamei)
breeding,
necessitating
accurate
genomic
prediction
for
efficient
genetic
improvement.
In
this
study,
we
investigated
single-trait
(STGMs)
and
multi-trait
models
(MTGMs)
predicting
MY
related
traits,
using
two
cross-validation
strategies
reflecting
different
data-availability
scenarios.
A
total
of
899
individuals
from
63
full-sibling
families
were
phenotyped
MY,
net
weight
(MW),
body
(BW),
length
(BL),
abdominal
segment
(AL).
We
estimated
the
heritability
correlations
traits
P.
vannamei,
followed
by
comparing
accuracy
STGMs
MTGMs
MW.
Two
validation
approaches
then
applied:
CV1
retained
auxiliary
sets,
CV2
excluded
both
target
traits.
Heritability
estimates
indicated
that
had
low
(STGM:
0.160;
MTGMs:
0.145–0.156),
whereas
MW,
BW,
BL,
AL
showed
low-to-moderate
(0.099–0.204).
Genetic
revealed
strong
associations
between
MW/BW/BL
(rg
=
0.605–0.783),
yet
positive
correlation
with
0.286).
Across
all
comparisons,
consistently
surpassed
STGMs.
For
improved
4.8–58.8%
relative
to
STGM
(0.187),
MY-MW
model
achieving
highest
(0.297)
under
CV1.
Similarly,
enhanced
MW
36.6–138.2%
over
(0.254),
MW-BW
reaching
(0.605)
Notably,
retaining
(CV1)
boosted
gains
substantially
(up
138.2%),
excluding
them
(CV2)
yielded
only
marginal
improvements
(≤8.6%).
Moreover,
incorporating
as
an
increased
BL
5.4–7.6%,
indicating
its
synergistic
value
MTGMs.
Overall,
these
results
demonstrate
markedly
enhance
carcass
compared
STGMs,
particularly
when
data
are
accessible
(CV1).
findings
underscore
importance
maintaining
records
breeding
populations,
offering
robust
framework
improving
vannamei
through
models.
Plants,
Journal Year:
2022,
Volume and Issue:
11(16), P. 2139 - 2139
Published: Aug. 17, 2022
Marker-assisted
selection
(MAS)
has
been
widely
used
in
the
last
few
decades
plant
breeding
programs
for
mapping
and
introgression
of
genes
economically
important
traits,
which
enabled
development
a
number
superior
cultivars
different
crops.
In
sugarcane,
is
most
source
sugar
bioethanol,
marker
work
was
initiated
long
ago;
however,
marker-assisted
sugarcane
lagging,
mainly
due
to
its
large
complex
genome,
high
levels
polyploidy
heterozygosity,
varied
chromosomes,
use
low/medium-density
markers.
Genomic
(GS)
proven
technology
animal
recently
incorporated
programs.
GS
potential
tool
rapid
genotypes
accelerating
cycle.
However,
full
could
be
realized
by
an
integrated
approach
combining
high-throughput
phenotyping,
genotyping,
machine
learning,
speed
with
genomic
selection.
For
better
understanding
integration,
we
comprehensively
discuss
concept
genetic
gain
through
breeder’s
equation,
methodology,
prediction
models,
current
status
challenges
accuracy,
GS,
phenotyping
(HTP),
genotyping
(HTG),
followed
prospective
applications
improvement.
BMC Genomic Data,
Journal Year:
2023,
Volume and Issue:
24(1)
Published: Dec. 18, 2023
Abstract
Background
Genomewide
prediction
estimates
the
genomic
breeding
values
of
selection
candidates
which
can
be
utilized
for
population
improvement
and
cultivar
development.
Ridge
regression
deep
learning-based
models
were
implemented
yield
agronomic
traits
204
chile
pepper
genotypes
evaluated
in
multi-environment
trials
New
Mexico,
USA.
Results
Accuracy
differed
across
different
under
ten-fold
cross-validations,
where
high
accuracy
was
observed
highly
heritable
such
as
plant
height
width.
No
model
superior
using
14,922
SNP
markers
genomewide
selection.
Bayesian
ridge
had
highest
average
first
pod
date
(0.77)
total
per
(0.33).
Multilayer
perceptron
(MLP)
most
flowering
time
(0.76)
(0.73),
whereas
BLUP
width
(0.62).
Using
a
subset
7,690
loci
resulting
from
grouping
based
on
linkage
disequilibrium
coefficients
resulted
improved
date,
ten
weight,
plant,
even
relatively
small
training
size
MLP
random
forest
models.
Genomic
sufficient
optimal
accuracies
size.
Combining
phenotypic
response
yield-related
traits,
indicating
that
integrated
approaches
result
gains
achieved
through
Conclusions
learning
demonstrate
potential
implementing
genetic
programs.
Ultimately,
large
data
is
relevant
Frontiers in Genetics,
Journal Year:
2023,
Volume and Issue:
13
Published: Jan. 4, 2023
Common
full-sib
families
(c2
)
make
up
a
substantial
proportion
of
total
phenotypic
variation
in
traits
commercial
importance
aquaculture
species
and
omission
or
inclusion
the
c2
resulted
possible
changes
genetic
parameter
estimates
re-ranking
estimated
breeding
values.
However,
impacts
common
on
accuracy
genomic
prediction
for
economic
are
not
well
known
many
species,
including
aquatic
animals.
This
research
explored
tagging
weight
population
striped
catfish
comprising
11,918
fish
traced
back
to
base
(four
generations),
which
560
individuals
had
genotype
records
14,154
SNPs.
Our
single
step
best
linear
unbiased
(ssGLBUP)
showed
that
was
reduced
by
96.5%-130.3%
when
were
included
statistical
models.
The
reduction
smaller
extent
multivariate
analysis
than
univariate
Imputation
missing
genotypes
somewhat
upward
biases
weight.
It
is
therefore
suggested
evaluation
models
recorded
during
early
phase
growth
development
should
account
minimise
hence,
selection
response.
Journal of Marine Science and Engineering,
Journal Year:
2023,
Volume and Issue:
11(7), P. 1281 - 1281
Published: June 24, 2023
Pedigrees
are
essential
components
in
selective
breeding
programs
to
manage
genetic
diversity
and
obtain
accurate
parameter
estimates
ensure
long-term
response
selection
captive
populations.
High
throughput
cost-effective
sequencing
technologies
has
offered
opportunities
of
using
single
nucleotide
polymorphisms
(SNPs)
resolve
penaeid
shrimp
pedigrees
from
mass
spawning
cohorts
communal
rearing.
Effects
SNPs
for
sibship
assignment
were
investigated
on
546
two
software
programs,
Colony
Sequoia.
Assignment
rates
accuracies
SNP
subsets
with
six
different
minor
allele
frequencies
(MAFs),
four
sets
SNPs,
five
genotyping
error
compared
the
microsatellite-based
pedigree
established
a
previous
study.
MAFs
numbers
contributed
significant
increases
accuracies,
whereas
showed
negligible
impacts
results.
Sibship
assignments
achieved
98%
83%,
respectively,
minimum
number
91
(average
MAF
≥
0.14),
exhibited
similar
resulting
patterns
subsets.
consistencies
between
SNP-based
that
could
be
by
thus
contribute
farmed
banana
shrimp.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 27, 2024
Abstract
Penaeid
shrimp
farming
plays
a
pivotal
role
in
ensuring
future
food
security
and
promoting
economic
sustainability.
Compared
to
the
extensive
long
history
of
domestication
observed
terrestrial
agriculture
species,
selective
breeding
penaeids
are
relatively
recent
endeavors.
Selective
aimed
at
improving
production
traits
holds
significant
promise
for
enhancing
efficiency
reducing
environmental
impact
farming,
thereby
contributing
its
long-term
Assessing
genotype-by-environment
(G-by-E)
interactions
is
essential
programs
ensure
that
improved
penaeid
strains
perform
consistently
across
different
environments,
with
genomic
selection
proving
more
effective
than
sib-testing
alone
mitigating
sensitivity.
Genome
editing
tools
like
CRISPR/Cas9
offer
potential
accelerate
genetic
gains
by
enabling
rapid
introduction
desired
changes,
advancements
showing
promising
results
achieving
high
transfection
embryos.
Additionally,
artificial
intelligence
machine
learning
being
leveraged
streamline
phenotyping
enhance
decision-making
accuracy
managing
predicting
disease
outbreaks.
Herein,
we
provide
an
overview
update
on
shrimp,
including
current
status
principal
farmed
key
milestones
history,
targeted
programs,
advantages
integrating
genomeic
traits,
directions
shrimp.
Diseases
pose
a
significant
and
pressing
concern
for
the
sustainable
development
of
aquaculture
sector,
particularly
as
their
impact
continues
to
grow
due
climatic
shifts
such
rising
water
temperatures.
While
various
approaches,
ranging
from
biosecurity
measures
vaccines,
have
been
devised
combat
infectious
diseases,
efficacy
is
disease-
species-specific
contingent
upon
multitude
factors.
The
field
genetics
genomics
offer
effective
tools
control
prevent
disease
outbreaks
in
aquatic
animal
species.
In
this
study,
we
present
key
findings
our
recent
research,
focusing
on
genetic
resistance
three
specific
diseases:
White
Spot
Syndrome
Virus
WSSV)
white
shrimp,
Bacterial
Necrotic
Pancreatitis
(BNP)
striped
catfish
skin
fluke
(a
parasitic
ailment)
yellowtail
kingfish.
Our
investigations
reveal
that
all
species
possess
substantial
heritable
components
resistant
traits,
indicating
potential
responsiveness
artificial
selection
improvement
programs
tailored
these
diseases.
Also,
observed
high
association
between
traits
survival
rates.
Through
selective
breeding
aimed
at
enhancing
pathogens,
achieved
gains,
averaging
10%
per
generation.
These
also
contributed
positively
overall
production
performance
productivity
Although
effects
immunological
or
immune
responses
were
not
they
yielded
favourable
results
catfish.
Furthermore,
genomic
analyses,
including
shallow
genome
sequencing
pedigreed
populations,
enriched
understanding
architecture
underlying
traits.
are
primarily
governed
by
polygenic
nature,
with
numerous
genes
variants,
each
small
effects.
Leveraging
range
advanced
statistical
methods,
mixed
models
machine
deep
learning,
developed
prediction
demonstrated
moderate
levels
accuracy
forecasting
disease-related
addition
genomics,
RNA-seq
experiments
identified
several
undergo
upregulation
response
infection
viral
loads
within
populations.
Preliminary
microbiome
data,
while
offering
limited
predictive
one
studied
species,
underscore
combining
data
sequence
information
enhance
power
Lastly,
paper
briefly
discusses
roles
precision
agriculture
systems,
AI
algorithms,
outlines
path
future
research
expedite
disease-resistant
lines
target
conclusion,
study
underscores
critical
role
fortifying
sector
against
threats
posed
paving
way
more
resilient
development.