The impact of environmental and boar breed factors on the quality of semen used for artificial insemination in Tanzania
Violet Cherotich Kemoi,
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Isaac P. Kashoma,
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M. K. Matiko
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et al.
Applied Veterinary Research,
Journal Year:
2025,
Volume and Issue:
3(3), P. 2024012 - 2024012
Published: Feb. 16, 2025
Semen
production
among
commercial
boar
centers
is
influenced
by
various
factors,
including
environmental
temperature,
humidity,
breed,
age,
nutrition,
and
frequency
of
collection.
This
study
aimed
to
investigate
the
effects
humidity
on
quality
semen
used
for
artificial
insemination
(AI)
in
Tanzania.
Ninety
ejaculates
were
collected
from
six
boars,
with
two
boars
representing
each
Duroc,
Large
White,
Dupi
breeds.
samples
via
gloved
hand
technique,
individual
temperatures
measured
a
digital
infrared
thermometer.
The
temperature
recorded
meteorological
devices.
assessed
volume,
sperm
concentration,
progressive
motility,
viability,
morphology,
acrosomal
integrity.
data
was
stored
Microsoft
Excel
analyzed
SPSS
software.
mean
standard
deviation
pH,
integrity
per
ejaculate
167.78
±
67.31
ml,
7.27
0.48,
2.54x10⁸
9.05×10⁶
sperm/mL,
91.58
5.60%,
86.91
5.85%,
93.84±
2.34%,
90.04
4.76%,
respectively.
Temperature
negatively
impacted
acrosome
White
no
Duroc
positive
relationship
boars.
associated
viability
concluded
that
are
more
tolerant
suggesting
need
breed-specific
management
strategies
increase
tropical
swine
industry.
Language: Английский
Alteration in sperm mitochondrial membrane potential and antioxidant biomarkers in summer adversely affects Hampshire-Ghungroo crossbred boar semen fertility in sub-tropical climate
Mahak Singh,
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Apanai Celina,
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Rahul Katiyar
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et al.
Frontiers in Veterinary Science,
Journal Year:
2025,
Volume and Issue:
12
Published: April 17, 2025
In
temperate
regions,
boars
experience
environmental
heat
stress
due
to
the
subtropical
climate,
leading
their
semen
quality
and
fertility
being
severely
compromised
compared
indigenous
breeds.
Considering
above
effect,
present
study
aimed
evaluate
effect
of
season
on
quality,
seminal
plasma
antioxidant
status,
in
vivo
crossbred
exotic
(50%)
inheritance
a
climate.
A
total
14
Hampshire-Ghungroo
were
used
for
this
investigation,
which
took
place
both
summer
winter.
Sperm
characteristics,
namely
motility,
viability,
abnormality,
acrosomal
integrity,
hypo-osmotic
swelling
test
(HOST)
results,
mitochondrial
membrane
potential
(MMP)
evaluated.
kinematics
parameters
assessed
using
computer-assisted
analysis
(CASA).
Antioxidant
biomarkers
(glutathione
peroxidase,
GPx;
catalase,
CAT;
capacity,
TAC)
lipid
peroxidation
(malondialdehyde,
MDA)
analyzed
boars'
plasma.
The
had
significant
(p
<
0.01)
negative
impact
reaction
time
false
mounts,
whereas
volume
sperm
concentration
significantly
higher
winter
season.
Similarly,
abnormalities
lower
winter,
parameters,
progressive
HOST
reactivity,
improved.
However,
during
summer,
MMP
was
fresh
samples
after
72
h
storage.
Season
0.05)
following
parameters:
average
path
velocity,
straight-line
curve
linear
amplitude
lateral
head
displacement,
beat
cross
frequency.
Semen
characteristics
improved
cold
storage
with
those
summer.
(TAC,
MDA,
CAT,
GPx).
Furthermore,
farrowing
rate
conclusion,
our
results
showed
that
low
boar
downregulation
lead
poor
To
alleviate
heat-stress-induced
optimize
subtropics,
there
is
need
scientific
interventions
terms
genetics
[less
(below
50%)],
nutrition,
management.
Language: Английский
Predicting Boar Sperm Survival during Liquid Storage Using Vibrational Spectroscopic Techniques
Biology,
Journal Year:
2024,
Volume and Issue:
13(10), P. 763 - 763
Published: Sept. 26, 2024
Artificial
insemination
(AI)
plays
a
critical
role
in
livestock
reproduction,
with
semen
quality
being
essential.
In
swine,
AI
primarily
uses
cool-stored
adhering
to
industry
standards
assessed
through
routine
analysis,
yet
fertility
inconsistencies
highlight
the
need
for
enhanced
evaluation.
Over
10-day
storage
at
17
°C,
boar
samples
were
analyzed
motility,
morphology,
sperm
membrane
integrity,
apoptosis,
and
oxidative
stress
indicators.
Additionally,
machine
learning
tools
employed
explore
potential
of
Raman
near-infrared
(NIR)
spectroscopy
enhancing
sample
Sperm
motility
morphology
gradually
decreased
during
storage,
distinct
groups
categorized
as
“Good”
or
“Poor”
survival
according
on
Day
7
storage.
Initially
similar
0
collection,
revealed
significantly
lower
total
(21.69
±
4.64%
vs.
80.19
1.42%),
progressive
(4.74
1.71%
39.73
2.57%),
normal
(66.43
2.60%
87.91
1.92%)
than
their
counterparts
by
7,
using
computer-assisted
analyzer.
Furthermore,
had
higher
levels
apoptotic
cells,
damage,
intracellular
reactive
oxygen
species
0.
Conversely,
maintained
antioxidant
capacity.
outperformed
NIR,
providing
distinctive
spectral
profiles
aligned
biochemical
changes
enabling
prediction
Overall,
coupled
might
assist
evaluation
prognosis.
Language: Английский
Changes in the Morphology and Antioxidant Status of European Red Deer Sperm Stored in the Epididymides and in a Liquid State
Animals,
Journal Year:
2024,
Volume and Issue:
14(11), P. 1653 - 1653
Published: May 31, 2024
The
aim
of
this
study
was
to
evaluate
the
motility,
morphology,
and
antioxidant
status
European
red
deer
sperm
stored
in
a
liquid
state
(variant
I)
epididymides
II).
Spermatozoa
were
harvested
post-mortem
from
cauda
epididymis.
Sperm
samples
both
variants
for
up
six
days
(D6)
at
5
°C.
assessed
viability,
activity
enzymes
(superoxide
dismutase,
SOD;
glutathione
peroxidase,
GPx;
catalase,
CAT),
lipid
peroxidation
(malondialdehyde,
MDA,
content).
analyzed
on
storage
0,
2,
4,
6
(D0-D6).
Storage
time
method
significantly
(
Language: Английский