Should Nest Construction Be İntervened İn Domestic Bird Breeding?
Journal of Anatolian Environmental and Animal Sciences,
Journal Year:
2025,
Volume and Issue:
10(2), P. 126 - 131
Published: March 15, 2025
The
aim
is
to
get
as
many
offspring
possible
from
domestic
songbirds
during
the
breeding
season.
However,
inadequacy
of
nest
material
used
construction
and
individual
abilities
birds
in
directly
affect
success
In
this
study,
nests
built
by
two
groups
female
Gloster
canaries
using
same
were
evaluated,
effects
on
hatching
rates
fertile
eggs
development
evaluated.
For
purpose,
8
used,
4
1st
group
(T-1)
2nd
(T-2).
Female
showing
estrus
artificially
inseminated,
Group
T-1
not
intervened
nests,
T-2
construction,
observed.
It
was
concluded
that
more
successful
than
group.
may
be
obtain
eliminating
deficiencies
observed
a
certain
extent.
study
determine
interventions
made
inseminated
under
equal
conditions
incubation
process
rate.
Language: Английский
Methodological considerations for examining the relationship between sperm morphology and motility
Molecular Reproduction and Development,
Journal Year:
2020,
Volume and Issue:
87(6), P. 633 - 649
Published: May 16, 2020
Abstract
Sperm
cells
of
all
taxa
share
a
common
goal
to
reach
and
fertilize
an
ovum,
yet
sperm
are
one
the
most
diverse
cell
types
in
nature.
While
structural
diversity
these
is
well
recognized,
functional
significance
variation
design
remains
elusive.
An
important
function
spermatozoa
need
migrate
toward
ova,
often
over
long
distances
foreign
environment,
which
may
include
complex
hostile
female
reproductive
tract.
Several
comparative
experimental
studies
have
attempted
address
link
between
morphology
motility,
conclusions
drawn
from
inconsistent,
even
within
same
taxa.
Much
what
we
know
about
internally
fertilizing
species
has
been
gleaned
vitro
studies,
for
parameters
vary
among
studies.
We
propose
that
discordant
results
part
due
lack
consistency
methods,
conditions
do
not
replicate
those
tract,
overuse
simple
linear
measures
shape.
Within
this
review,
provide
toolkit
imaging,
quantifying,
analyzing
movement
patterns
discuss
emerging
approaches.
Results
linking
motility
enhance
our
understanding
evolution
adaptive
traits
mechanisms
regulate
fertility,
thus
offering
new
insights
into
methods
used
assisted
technologies
animal
science,
conservation
public
health.
Language: Английский
Longer Sperm Swim More Slowly in the Canary Islands Chiffchaff
Cells,
Journal Year:
2021,
Volume and Issue:
10(6), P. 1358 - 1358
Published: May 31, 2021
Sperm
swimming
performance
affects
male
fertilization
success,
particularly
in
species
with
high
sperm
competition.
Understanding
how
morphology
impacts
is
therefore
important.
speed
hypothesized
to
increase
total
length,
relative
flagellum
length
(with
the
generating
forward
thrust),
and
midpiece
(as
contains
mitochondria).
We
tested
these
hypotheses
for
divergence
traits
five
island
populations
of
Canary
Islands
chiffchaff
(Phylloscopus
canariensis).
confirmed
incipient
mitochondrial
DNA
differentiation
between
Gran
Canaria
other
islands.
correlated
negatively
did
not
correlate
(for
only).
The
proportion
motile
cells
increased
on
only.
was
similar
across
thus
add
a
growing
number
studies
passerine
birds
that
do
support
morphology–swimming
hypotheses.
suggest
mechanics
are
sufficiently
different
from
mammalian
predictions
hydrodynamic
models
should
no
longer
be
applied
this
taxon.
While
both
likely
under
selection
passerines,
relationship
them
requires
further
elucidation.
Language: Английский
Longitudinal covariation of testosterone and sperm quality across reproductive stages in the zebra finch
Hormones and Behavior,
Journal Year:
2023,
Volume and Issue:
153, P. 105388 - 105388
Published: June 3, 2023
Language: Английский
Selection on Sperm Count, but Not on Sperm Morphology or Velocity, in a Wild Population of Anolis Lizards
Cells,
Journal Year:
2021,
Volume and Issue:
10(9), P. 2369 - 2369
Published: Sept. 9, 2021
Sperm
competition
is
a
widespread
phenomenon
that
shapes
male
reproductive
success.
Ejaculates
present
many
potential
targets
for
postcopulatory
selection
(e.g.,
sperm
morphology,
count,
and
velocity),
which
are
often
highly
correlated
potentially
subject
to
complex
multivariate
selection.
Although
on
ejaculate
traits
has
been
observed
in
laboratory
experiments,
it
unclear
whether
similarly
wild
populations,
where
individuals
mate
frequently
over
longer
periods
of
time.
We
measured
univariate
velocity
population
brown
anole
lizards
(Anolis
sagrei).
conducted
mark-recapture
study
with
genetic
parentage
assignment
estimate
individual
found
significant
negative
directional
quadratic
but
we
did
not
detect
or
any
other
traits,
nor
correlational
trait
combinations.
Our
results
may
reflect
pressure
males
produce
small
ejaculates
six-month
season.
This
the
first
measure
provides
an
interesting
contrast
experimental
studies
external
fertilizers,
have
phenotypes.
Language: Английский
Reproductive coordination breeds success: the importance of the partnership in avian sperm biology
Behavioral Ecology and Sociobiology,
Journal Year:
2019,
Volume and Issue:
74(1)
Published: Dec. 16, 2019
Language: Английский
The impact of diet quality on the velocity, morphology and normality of sperm in the zebra finch Taeniopygia guttata
Journal of Experimental Biology,
Journal Year:
2022,
Volume and Issue:
225(9)
Published: April 11, 2022
Sperm
traits
can
influence
fertilisation
success,
but
there
is
still
much
we
do
not
understand
about
sperm
condition
dependence,
that
is,
how
depend
on
the
male's
energy
acquisition
and
allocation.
This
especially
pronounced
in
avian
taxa,
despite
extensive
observational
studies
sampling
wild
populations.
In
this
study,
collected
samples
before
after
experimentally
reducing
diet
quality
of
wild-derived
captive
zebra
finches
small
mixed-sex
groups,
which
compared
with
individuals
a
control
diet.
We
measured
length
components
(head,
midpiece,
flagellum
total
length),
proportion
normal
morphology,
were
progressively
motile
swimming
velocity
(curvilinear
velocity;
VCL).
The
only
trait
found
to
be
impacted
by
reduced
was
significant
decrease
midpiece
length.
consistent
emerging
evidence
other
non-model
systems,
as
well
fact
alter
mitochondrial
density
structure
tissue
types.
There
also
over
course
experiment
for
both
experimental
groups
(i.e.
unrelated
diet).
largely
unchanged
morphology
emphasizes
are
important
determinants
velocity,
likely
including
seminal
fluid
composition.
Language: Английский
Effect of Different Processing Temperature on Motility and Viability in Canary Sperm
Indian Journal of Animal Research,
Journal Year:
2024,
Volume and Issue:
Of
Published: April 5, 2024
Background:
Canaries
have
attracted
people’s
attention
with
their
colors,
shapes
and
impressive
songs.
The
fact
that
canaries
are
domesticated
easy
to
obtain
has
made
these
birds
attractive
for
songbird
studies.
In
our
study,
canary
semen
was
examined
at
different
temperature
values.
This
study
aims
determine
the
most
efficient
spermatozoa
examination
in
canaries.
Methods:
this
five
values
(36,
38,
40,
42
44°C)
were
determined.
used
6
active
male
Gloster
each
group.
After
collection
application,
a
3-day
break
given
rest.
Dulbecco’s
Modified
Eagle
Medium
(DMEM)
expander,
which
is
preferred
by
songbirds,
research.
diluted
1:2
water
bath
specified
temperatures
42,
immediately
motility
viability.
Result:
When
results
evaluated,
it
seen
viability
rate
38°C
higher
than
other
groups
40°C
gave
highest
terms
of
motility.
addition
38°C,
swimming
speed
also
found
be
more
stable
over
wider
area
groups.
As
result,
based
on
data
obtained
from
can
said
appropriate
38°C.
Language: Английский
Semen collection from small breed birds and some parameters related to passerine bird semen
International Journal of Science Letters,
Journal Year:
2022,
Volume and Issue:
4(1), P. 220 - 225
Published: Feb. 1, 2022
It
is
much
more
difficult
to
collect
semen
from
small
breed
birds
than
large
birds.
The
biggest
reason
for
this
situation
that
are
very
active
and
their
cloaca
smaller.
To
receive
passerine
birds,
the
must
be
in
breeding
season.
Having
females
around
during
period
will
increase
libido
due
male
competition.
Trimming
hair
both
prevents
risk
of
contamination
provides
adequate
viewing
angles.
most
commonly
used
method
obtaining
cloacal
massage.
Massage
should
done
cranially
abdomen
towards
cloaca.
When
bird
ejaculates,
it
seen
comes
out
seminal
glomera
with
pressure
applied
laterally
on
collects
exiting
help
a
sterile
hematocrit
capillary
tube.
Sperm
contaminated
feces
not
taken
as
contaminated.
In
semen,
motility
examination
important
direction
movement,
speed
rate
movement
spermatozoa.
Due
situation,
there
relationship
between
morphological
structure
spermatozoa
This
study
aims
give
information
about
collection
by
canaries
some
methods
semen.
Language: Английский