Genetics Selection Evolution,
Journal Year:
2023,
Volume and Issue:
55(1)
Published: June 2, 2023
An
essential
component
in
the
development
of
sustainable
pig
production
is
reduction
nitrogen
excretion
fattening
pigs.
Pig
feeds
typically
contain
high
levels
dietary
crude
protein,
and
due
to
incomplete
conversion
muscle
tissue,
excess
excreted,
resulting
environmental
problems
such
as
nitrate
pollution
greenhouse
gas
emissions.
Therefore,
improving
protein
efficiency
(PE),
i.e.,
proportion
that
remains
carcass,
desirable.
The
aim
this
study
was
estimate
heritability
(h2)
PE
its
genetic
correlations
with
phosphorus
efficiency,
three
performance,
seven
meat
quality
two
carcass
traits
when
pigs
were
fed
a
20%
protein-restricted
diet,
using
1071
Swiss
Large
White
To
determine
PE,
intake
feed
known
nutrient
content
accurately
recorded
for
each
determined
dual-energy
X-ray
absorptiometry.We
found
an
average
0.39
±
0.04
0.54
0.10.
showed
correlation
(0.61
0.16),
moderate
ratio
(-
0.55
0.14)
daily
0.53
0.14),
low
gain
0.19
0.19).
While
has
favourable
performance
some
traits,
there
potentially
unfavourable
colour
(redness
[rg
=
-
0.27
0.17];
yellowness
0.31
0.18])
intra-muscular
fat
(IMF;
rg
0.15).
Feed
(FCR)
also
lightness,
redness
yellowness,
IMF
cooking
loss.PE
heritable
trait
can
be
considered
breeding
programs
reduce
impact
production.
We
no
strong
negative
potential
indirectly
select
improved
efficiency.
Selecting
efficiencies
might
more
suitable
strategy
from
manure
than
focusing
on
FCR
because
latter
shows
antagonism
our
population.
Scientific Reports,
Journal Year:
2019,
Volume and Issue:
9(1)
Published: Dec. 6, 2019
Dose-response
studies
of
dietary
leucine
(Leu)
in
weaners
are
needed
for
a
proper
diet
formulation.
Dietary
Leu
effect
was
assessed
3-weeks
dose-response
trial
with
2
(genotype)
x
5
(diets)
factorial
arrangement
on
one-hundred
weaned
pigs
(9
to
20
kg
body
weight
(BW)).
Pigs
differed
polymorphism
at
the
aminoadipate-semialdehyde
synthase
(AASS)
gene,
involved
lysine
(Lys)
metabolism.
received
experimental
diets
(d7
d28)
differing
standardized
ileal
digestible
(SID)
Leu:Lys:
70%,
85%,
100%,
115%,
130%.
Daily
feed
intake
(ADFI),
daily
gain
(ADG)
and
feed:gain
(F:G)
all
ADG
F:G
two
classes
BW
were
analyzed
using
regression
analysis
curvilinear-plateau
(CLP)
linear
quadratic
function
(LQ)
models.
Amino
acid
(AA)
concentrations
plasma,
liver,
muscle
urine
determined.
AASS
genotype
did
not
affect
parameters.
affected
performance
parameters,
maximum
response
between
100.5%
110.7%
SID
Leu:Lys,
higher
than
usually
recommended
one,
110.5%
115.4%
94.9%
110.2%
Leu:Lys
light
heavy
respectively.
AA
variations
tissues
highlighted
role
protein
synthesis
its
influence
other
branched
chain
AAs.
Animals,
Journal Year:
2022,
Volume and Issue:
12(2), P. 150 - 150
Published: Jan. 8, 2022
Fat
metabolism
and
intramuscular
fat
(IMF)
are
qualitative
traits
in
pigs
whose
development
influenced
by
several
genes
metabolic
pathways.
Nutrigenetics
nutrigenomics
offer
prospects
estimating
nutrients
required
a
pig.
Application
of
these
emerging
fields
nutritional
science
provides
an
opportunity
for
matching
based
on
the
genetic
make-up
pig
trait
improvements.
Today,
integration
high
throughput
“omics”
technologies
into
genomic
research
has
revealed
many
quantitative
loci
(QTLs)
single
nucleotide
polymorphisms
(SNPs)
mutation(s)
key
directly
or
indirectly
involved
IMF
deposition
pigs.
Nutrient–gene
interaction
underlying
molecular
mechanisms
fatty
acid
synthesis
marbling
is
difficult
to
unravel.
While
existing
knowledge
QTLs
SNPs
related
yet
be
harmonized,
scientific
explanations
behind
nature
correlation
between
nutrients,
environment
remain
unclear,
being
inconclusive
lacking
precision.
This
paper
aimed
to:
(1)
discuss
nutrigenetics,
epigenetic
controlling
accretion
pigs;
(2)
highlight
potentials
concepts
programming
research.
Animal Bioscience,
Journal Year:
2024,
Volume and Issue:
37(4), P. 742 - 754
Published: Feb. 22, 2024
Asia
is
not
only
the
primary
region
for
global
pig
production
but
also
largest
consumer
of
pork
worldwide.
Although
in
has
made
great
progress
past,
it
still
confronted
with
numerous
challenges.
These
challenges
include:
inadequate
land
and
feed
resources,
a
substantial
number
small-scale
farms,
escalating
pressure
to
ensure
environmental
conservation,
control
devastating
infectious
diseases,
as
well
coping
high
temperatures
humidity.
To
solve
these
problems,
important
investments
human
financial
capital
are
required
promote
large-scale
systems,
exploit
alternative
implement
precision
feeding,
focus
on
preventive
medicine
vaccines
alternatives
antibiotics,
improve
breeding,
increase
manure
recycling.
Implementation
techniques
management
practices
will
facilitate
development
more
environmentally-friendly
economically
sustainable
systems
Asia,
ultimately
providing
consumers
healthy
products
around
world.
Animal nutrition,
Journal Year:
2024,
Volume and Issue:
17, P. 297 - 311
Published: March 26, 2024
Post-weaning
diarrhea
(PWD)
is
a
globally
significant
threat
to
the
swine
industry.
Historically,
antibiotics
as
well
high
doses
of
zinc
oxide
and
copper
sulfate
have
been
commonly
used
control
PWD.
However,
development
bacterial
resistance
environmental
pollution
created
an
interest
in
alternative
strategies.
In
recent
years,
research
surrounding
these
strategies
mechanisms
piglet
has
continually
updated.
Mechanically,
piglets
result
imbalance
intestinal
fluid
electrolyte
absorption
secretion.
general,
enterotoxigenic
Archives animal breeding/Archiv für Tierzucht,
Journal Year:
2025,
Volume and Issue:
68(1), P. 57 - 66
Published: Jan. 30, 2025
Abstract.
Special
attention
is
increasingly
given
to
food
characteristics,
particularly
fatty
acid
(FA)
profile.
The
quality
of
meat,
as
animal
origin,
depends
on
genotype
and
feeding.
This
study
evaluated
the
meat
FA
profile
three
Tunisian
sheep
breeds,
i.e.
Barbarine
(BB),
Queue
Fine
de
l'Ouest
(QFO)
Noire
Thibar
(NT),
under
diets
with
low
(11
%)
or
high
(16
crude
protein
(CP)
levels,
aiming
optimize
feeding
strategies
for
production.
Lambs
were
slaughtered
at
51
kg
body
weight.
longissimus-thoracis
et
lumborum
muscle
was
extracted
analysis.
intramuscular
fat
higher
QFO
than
other
breeds.
not
affected
by
CP
level
but
breed.
C16:0
two
which
had
C18:0
(17.7
vs.
14.6
%).
n−3
n−6
polyunsaturated
(PUFA)
contents
(P<0.001)
fat-tailed
BB
resulting
in
a
total
PUFA
/
SFA
ratio
(0.135
0.09,
where
represents
saturated
acid).
atherogenic
index
(AI)
cholesterolemic
(h/H)
recommended
ranges,
being
favour
NT
breeds
with,
respectively,
lower
values
QFO.
However,
thrombogenic
(TI)
similar
among
In
conclusion,
lipid
indices
primarily
influenced
breed,
no
significant
effect
from
level,
suggesting
that
low-protein
diet
can
yield
comparable
high-protein
diet.
Frontiers in Veterinary Science,
Journal Year:
2021,
Volume and Issue:
8
Published: July 26, 2021
Poultry
and
swine
farming
are
large
contributors
to
environmental
impacts,
such
as
climate
change,
eutrophication,
acidification,
air
water
pollution.
Feed
production
manure
management
identified
the
main
sources
of
these
impacts.
Reducing
dietary
crude
protein
levels
is
a
nutritional
strategy
recognized
both
decrease
use
high-impact
feed
ingredients
alter
composition,
reducing
emissions
harmful
components.
For
successful
implementation
this
technique,
feed-grade
amino
acid
supplementation
crucial
maintaining
animal
performance.
lowers
nitrogen
excretion,
especially
excess
excreted
in
urea
or
uric
form,
improving
efficiency.
At
feed-gate,
low–crude
diets
can
reduce
carbon
footprint
through
changes
raw
material
inclusion.
The
magnitude
reduction
mainly
depends
on
change
impact
soybean
meal
its
land-use
acids
used.
also
housing,
storage,
at
spreading:
from
(ammonia,
nitrates,
nitrous
oxide)
reduced
excretion.
Moreover,
synergetic
effects
exist
with
pH,
further
emissions.
Volatilization
more
poultry
than
pigs,
but
studied
better
understood
for
pig
slurry
litter.
Ammonia
documented
other
N-compounds.
Low–crude
supplemented
different
stages
production,
making
life
cycle
assessment
best-suited
tool
quantify
Recent
studies
report
an
efficient
impacts
diets.
However,
standardization
limits
methods
used
necessary
compare
results.
This
review
summarizes
current
knowledge
mitigation
swine,
quantification,
biological
mechanisms
involved.
A
comparison
between
pigs
included.
It
provides
concrete
information
based
quantified
research
decision
livestock
industry
policy
makers.
Cells,
Journal Year:
2021,
Volume and Issue:
10(3), P. 527 - 527
Published: March 2, 2021
This
study
investigated
the
effects
of
dietary
C.
butyricum
ZJU-F1
on
apparent
digestibility
nutrients,
intestinal
barrier
function,
immune
response,
and
microflora
weaned
piglets,
with
aim
providing
a
theoretical
basis
for
application
Clostridium
as
an
alternative
to
antibiotics
in
piglets.
A
total
120
weanling
piglets
were
randomly
divided
into
four
treatment
groups,
which
fed
basal
diet
supplemented
(CON),
Bacillus
licheniformis
(BL),
(CB),
or
(CB-BL),
respectively.
The
results
showed
that
CB
CB-BL
increased
decreased
permeability,
tight
junction
protein
mucin
expression,
thus
maintaining
integrity
epithelial
barrier.
CB-BL,
exogenous
probiotics,
also
found
stimulate
response
improve
expression
antimicrobial
peptides
ileum.
In
addition,
proportion
Lactobacillus.
levels
butyric
acid,
propionic
acetic
acid
significantly
ceca
CB-BL.
Furthermore,
we
validated
function
vitro
improved
enhanced
TLR-2-MyD88-NF-κB
signaling.
Journal of Insects as Food and Feed,
Journal Year:
2021,
Volume and Issue:
7(4), P. 433 - 447
Published: March 11, 2021
Using
black
soldier
fly
(BSF,
Hermetia
illucens
)
larvae
as
a
novel
protein
source
substituting
fishmeal
(FM)
in
animal
feeds
is
globally
gaining
momentum.
BSF
can
be
reared
on
agro-industrial
residues.
However,
incorporating
larval
meal
(BSFLM)
into
finisher
pig
diets
has
received
inadequate
attention.
This
study
evaluated
the
effects
of
replacing
dietary
FM
with
BSFLM
growth,
carcass
traits
and
meat
quality
pigs.
A
control
diet
(including
FM:
0%
BSFLM)
was
compared
four
levels
replacement
at
25,
50,
75
or
100%.
Forty
hybrid
pigs
(crossbreeds
purebred
Large
White
Landrace)
were
randomly
allocated
to
five
different
treatments.
Feed
intake,
body
weight
gain
feed
conversion
ratio
measured.
After
98
days
feeding,
all
slaughtered
for
evaluation
nutritional
content
organ
muscle
tissues.
Diet
significantly
affected
growth
performance.
Carcass
fed
by
100%
(w/w)
higher
than
source.
Crude
pork
tissues
high
(65-93%
dry-matter
basis)
across
groups.
Therefore,
replace
feed.
relevant
commercial
production
provides
first
time
analysis
derived
from
raised
BSFLM.
Experimental Biology and Medicine,
Journal Year:
2022,
Volume and Issue:
247(13), P. 1191 - 1201
Published: April 11, 2022
Amino
acids
(AAs)
are
required
for
syntheses
of
proteins
and
low-molecular-weight
substances
with
enormous
physiological
importance.
Since
1912,
AAs
have
been
classified
as
nutritionally
essential
amino
(EAAs)
or
nonessential
(NEAAs)
animals.
EAAs
those
that
either
not
synthesized
insufficiently
de
novo
in
the
organisms.
It
was
assumed
all
NEAAs
(now
known
synthesizable
animal
cells
[AASAs])
were
formed
sufficiently
animals
needed
diets.
However,
studies
over
past
three
decades
shown
sufficient
dietary
AASAs
(e.g.
glutamine,
glutamate,
glycine,
proline)
necessary
maximum
growth
optimum
health
pigs,
chickens,
fish.
Thus,
concept
“ideal
protein”
(protein
an
optimal
EAA
pattern
precisely
meets
needs
animals),
which
originally
proposed
1950s
but
ignored
AASAs,
is
ideal
nutrition.
Ideal
diets
must
provide
physiologically
AAs.
Improved
patterns
swine
chickens
well
zoo
companion
recent
years.
Animal-sourced
feedstuffs
supply
abundant
(including
proline,
4-hydroxyproline,
taurine)
swine,
poultry,
fish,
crustaceans
to
improve
their
growth,
development,
reproduction,
health,
while
sustaining
global
production.
Nutritionists
should
move
beyond
consider
ratios
amounts
proteinogenic
mammals,
birds,
aquatic
animals,
and,
case
carnivores,
also
taurine.