animal,
Journal Year:
2024,
Volume and Issue:
19(2), P. 101413 - 101413
Published: Dec. 28, 2024
Virtual
fencing
(VF)
is
a
modern
technology
using
Global
Positioning
System-enabled
collars
which
emit
acoustic
signals
and,
if
the
animal
does
not
respond,
electric
pulses.
Studies
with
cattle
indicate
successful
learning
and
no
distinct
negative
impact
on
animals'
behaviours
stress
level.
However,
number
of
studies
testing
VF
goats
relatively
small.
In
this
study,
we
used
to
test
training
protocol
recently
applied
heifers
assess
development
goats'
avoid
pulse,
their
behaviour,
faecal
cortisol
metabolites
(FCMs)
as
an
indicator
for
physiological
in
grazing
experiment.
Twenty
adult
'Blobe'
offspring
were
divided
into
two
groups
assigned
or
physical
treatment
cross-over
design
periods
12
days
each.
The
involved
virtual
fence
at
one
side
paddock,
gradually
introduced
over
first
2
(additional
posts
visual
support).
On
day
eight,
areas
enlarged
by
shifting
treatment.
experiment
lasted
4
h
per
day.
During
time,
following
recorded
via
instantaneous
scan
sampling
all
every
min:
grazing,
lying,
standing,
standing
vigilant,
walking,
running.
Additionally,
samples
collected
once,
twice
daily
FCM
concentrations
measured.
delivered
pulses
duration
signals.
each
goat
was
calculate
'success
ratio'.
A
significant
increase
success
ratio
general
decrease
signal
association
group
Behavioural
analyses
revealed
clear
influence
except
vigilant.
Virtually
fenced
stood
significantly
more
vigilant
than
physically
ones.
free-moving
kids
could
have
had
influence.
effect
concentrations,
decreased
time.
summary,
showed
signs
when
avoiding
receiving
responding
appropriately
higher
occurrence
vigilance
behaviour
may
suggest
insecurity,
but
did
increased
stress.
Future
research
needs
confirm
these
results
under
practical
conditions.
Applied Animal Behaviour Science,
Journal Year:
2024,
Volume and Issue:
273, P. 106220 - 106220
Published: March 16, 2024
Virtual
fencing
(VF)
offers
promising
future
perspectives
for
grazing,
as
it
simplifies
through
the
use
of
GPS-coordinated
VF-lines.
Each
animal
is
equipped
with
a
VF-collar,
which
emits
an
acoustic
signal
when
approaches
The
stops
immediately
turns
around
but
if
continues
to
move
towards
VF-line,
electric
pulse
emitted.
VF
based
on
animal's
ability
learn
associate
pulse,
and
thus,
avoid
by
reacting
appropriately
signal.
intention
this
study
was
identify
heifers
are
able
VF-system
during
12-day-period
how
successful
learning
can
be
evaluated
using
three
different
approaches:
i)
reaction
score;
ii)
collar-stored
data;
iii)
integrated
mode
change
function.
16
Fleckvieh
were
enrolled
in
divided
into
two
groups
eight.
They
not
familiar
prior
study.
On
first
day
VF-collars
assigned
adjacent
pastures.
behaviour
four
per
group
continuously
observed
observers
behaviours
scored
according
ethogram
(2
h
a.m.,
2
p.m.).
We
analysed
changes
over
phases
indication
learning,
measuring
(i)
behavioural
reactions
signals
pulses,
(ii)
signals,
success
ratio
confidence
ratio.
development
calculation
our
way
weighing
against
proportion
signals.
Further,
(iii)
we
assessed
time
took
device
shift
from
teach
operating
mode,
internal
function
VF-collars.
modes
due
animals'
20th
correct
response
without
receiving
pulse.
validated
until
successive
rounds
(Collar
restart
start
round
eight)
found
significant
difference
(p<0.0001)
between
faster
occurring
two.
All
suggested
learning.
From
results,
separated
a)
b)
interact
Therefore,
combining
necessary
ensure
sustained
Biological Conservation,
Journal Year:
2024,
Volume and Issue:
297, P. 110736 - 110736
Published: Aug. 1, 2024
Virtual
fencing
(VF)
is
an
emerging
technology
that
creates
virtual
boundaries
for
livestock.
Collars
equipped
with
positioning
systems,
such
as
GPS,
emit
acoustic
warning
signals
if
animal
approaches
the
fence
and
electric
impulse
it
continues
to
move
forward,
deterring
from
crossing
fence.
Compared
physical
fences,
combined
enable
precise
tracking
of
individual
animals
out
small
areas
within
pastures
at
high
spatio-temporal
resolutions
low
cost.
VF
has
potential
enhance
agri-environment
schemes
(AES)
aimed
conserving
biodiversity
in
three
ways.
(1)
Many
existing
grassland
AES
focus
on
limiting
livestock
density
and/or
regulating
timing
grazing.
Monitoring
compliance
these
contract
conditions
costly,
which
puts
risk.
GPS
can
help
overcome
issues
by
continuously
monitoring
grazing
(2)
Grazing
even
densities
leads
levels
biodiversity.
Applying
exclude
provides
structural
associated
organismic
diversity.
could
incentivise
farmers
(3)
patches
endangered
plants
or
nests
meadow
birds
may
negatively
affect
small-scale
populations
species.
Unmanned
aerial
vehicles
automated
picture
analyses
be
used
detect
valuable
patches,
transmit
information
remunerate
them
out.
The
article
will
explore
ideas
a
conceptual
level
discuss
their
benefits
drawbacks.
Frontiers in Veterinary Science,
Journal Year:
2025,
Volume and Issue:
12
Published: March 12, 2025
Identifying
where
and
how
grazing
animals
are
active
is
crucial
for
informed
decision-making
in
livestock
conservation
management.
Virtual
fencing
systems,
which
use
animal-mounted
location
tracking
sensors
to
automatically
monitor
manage
the
movement
space-use
of
livestock,
increasingly
being
used
control
as
part
Precision
Livestock
Farming
(PLF)
approaches.
The
virtual
systems
often
able
capture
additional
information
beyond
animal
location,
including
activity
levels
environmental
such
temperature,
but
this
data
not
always
made
available
end
user
an
interpretable
form.
In
study
we
demonstrate
a
commercial
system
(Nofence®)
can
be
map
spatiotemporal
distribution
context
grazing.
We
first
Nofence®
index
measurements
correlate
strongly
with
direct
in-situ
observations
intensity
by
individual
cattle.
Using
methods
adapted
from
ecology
analysis
home
range,
subsequently
cumulative
average
cattle
spatially
mapped
analyzed
over
time
using
two
different
approaches:
simple
computationally
efficient
cell-count
method
novel
version
more
complex
Brownian
Bridge
Movement
Model.
further
highlight
same
also
variations
temperature.
This
highlights
generated
could
provide
valuable
insights
managers,
potentially
leading
improved
production
efficiencies
or
outcomes.
Agriculture,
Journal Year:
2025,
Volume and Issue:
15(9), P. 929 - 929
Published: April 24, 2025
Precision
Livestock
Farming
(PLF)
applies
a
complex
of
sensor
technology,
algorithms,
and
multiple
tools
for
individual,
real-time
livestock
monitoring.
In
intensive
systems,
PLF
is
now
quite
widespread,
allowing
the
optimisation
management,
thanks
to
early
recognition
diseases
possibility
monitoring
animals’
feeding
reproductive
behaviour,
with
an
overall
improvement
their
welfare.
Similarly,
systems
represent
opportunity
improve
profitability
sustainability
extensive
farming
including
those
small
ruminants,
rationalising
use
pastures
by
avoiding
overgrazing
controlling
animals.
Despite
distribution
in
several
parts
world,
low
profit
relatively
high
cost
devices
cause
delays
implementing
ruminants
compared
dairy
cows.
Applying
these
animals
requires
customisation
systems.
many
cases,
unit
prices
sensors
are
higher
than
developed
large
due
miniaturisation
production
costs
associated
lower
numbers.
Sheep
goat
farms
often
mountainous
remote
areas
poor
technological
infrastructure
ineffective
electricity,
telephone,
internet
services.
Moreover,
ruminant
usually
advanced
age
farmers,
contributing
local
initiatives
implementation.
A
targeted
literature
analysis
was
carried
out
identify
technologies
already
applied
or
at
stage
development
management
grazing
animals,
particularly
sheep
goats,
effects
on
nutrition,
production,
animal
The
current
developments
include
wearable,
non-wearable,
network
technologies.
review
involved
main
fields
application
can
help
most
suitable
managing
goats
contribute
selecting
more
sustainable
efficient
solutions
line
environmental
welfare
concerns.
Frontiers in Animal Science,
Journal Year:
2025,
Volume and Issue:
6
Published: May 8, 2025
In
pasture-based
dairy
farming,
animal
behavior
data
can
improve
data-driven
pasture
management.
Information
on
the
grazing
of
cows
be
retrieved
from
sensor-based
data.
However,
this
approach
generally
requires
sophisticated
sensor
equipment
and
involves
labor-intensive
observations.
As
an
alternative,
use
simple
commonly
used
collar-mounted
accelerometers
global
navigation
system
services
(GNSS)
receivers
was
investigated.
our
on-farm
study,
grazed
in
a
rotational
or
continuous
system,
with
higher
sward
lower
height,
respectively.
indicator
activity,
overall
dynamic
body
acceleration
(ODBA)
calculated
accelerometer
After
differentiating
process
(forage
uptake)
into
steps
(i.e.,
moving
to
next
feeding
station)
without
true
standing)
GNSS
data,
only
negligible
effect
ODBA
found.
The
short
swards
(3.47
m
s
−2
)
than
tall
(2.88
).
also
affected
by
time
day,
major
activity
around
dusk.
These
findings
show
potential
collars
research
patterns
cattle
monitoring
for
any
three-dimensional
existing
commercial
technology,
which
allows
wide
in-field
application.
Journal of Applied Remote Sensing,
Journal Year:
2024,
Volume and Issue:
18(01)
Published: March 14, 2024
We
present
an
approach
for
grassland
management
using
uncrewed
aerial
vehicles
(UAV)
LIDAR
data
and
statistical
modeling
techniques
integrated
within
a
software-based
multi-level
information
system
(SMI).
The
primary
objective
is
to
utilize
UAV
LiDAR
SMI
accurately
estimate
compressed
sward
height
(CSH)
above-ground
biomass
precision
farming
applications.
As
case
study,
four
flights
were
conducted
over
rotational
grazing
farmland,
the
collected
processed
point
cloud.
A
model
was
developed
CSH
values
(R2=0.59,
RMSE
=
5.9
cm)
metrics
of
cloud
data.
In
addition,
destructive
sampling
facilitated
calibration
process,
enabling
based
on
values,
specifically
expressed
as
herbage
dry
(R2=0.89,
RMSE=0.2669
Mg
ha−1).
further
enabled
approximation
across
entire
area
interest,
which
covered
∼200
ha,
utilizing
2.5×2.5
m
polygon
grid.
subsequently
transferred
SMI,
operates
same
grid
complements
information,
thus
offering
comprehensive
foundation
decision-making,
optimizing
systems,
efficient
resource
allocation.
contribute
advancing
sustainable
management.