Heat Stress in Dairy Cows: Impacts, Identification, and Mitigation Strategies—A Review
Animals,
Год журнала:
2025,
Номер
15(2), С. 249 - 249
Опубликована: Янв. 17, 2025
Heat
stress
in
animals
affects
productivity,
health,
and
reproduction,
with
particularly
pronounced
effects
dairy
cows.
Identifying
heat
requires
understanding
both
physiological
environmental
indicators,
such
as
increased
heart
rate,
respiratory
rectal
temperature,
which
reflect
the
animal’s
thermal
condition
within
its
environment.
Thermoregulation
cows
involves
behavioral
adjustments
to
maintain
homeothermy,
aiming
stabilize
their
internal
state.
To
assess
of
animals,
machine
learning
models
have
been
developed,
leveraging
indicators
for
more
accurate
detection.
Among
various
indices
environment,
Temperature
Humidity
Index
(THI)
is
most
widely
used.
Cooling
strategies
environments
are
essential
mitigate
stress.
One
effective
approach
use
evaporative
adiabatic
cooling
combined
forced
ventilation
systems
feeding
alleys
pre-milking
holding
areas.
This
method
enhances
exchanges
facilitates
dissipation
between
animal
surroundings,
thereby
alleviating
improving
welfare
productivity
Язык: Английский
Non-invasive monitoring for precision sheep farming: Development, challenges, and future perspectives
Computers and Electronics in Agriculture,
Год журнала:
2025,
Номер
231, С. 110050 - 110050
Опубликована: Фев. 1, 2025
Язык: Английский
Cooling Effectiveness of the Sustainable Cooling Solution for Cattle: Case Study in Poland
Applied Sciences,
Год журнала:
2024,
Номер
14(21), С. 9678 - 9678
Опубликована: Окт. 23, 2024
Recently,
the
dairy
sector
has
been
ever
more
affected
by
global
warming.
This
study
aimed
to
test
a
novel
conductive
cooling
system
for
cattle
that
was
successfully
implemented
and
evaluated
under
summer
thermally
challenging
weather
conditions
in
Poland.
The
consists
mainly
of
chiller,
tank,
chilled
water-driven
mattress,
designed
prioritize
animal
well-being.
experimental
evaluation
carried
out
on
three
Friesian
dry
cows,
housed
different
types
bedding—commercial
water
straw,
mattress—and
supplied
with
at
10
°C
(day)
16
(night).
mattress’
surface
temperature
twice
as
low
commercial
mattress.
animal’s
thermal
comfort
assessed
physiological
behavioral
reactions.
effect
animals’
bodies
demonstrated
lower
reticulorumen
cooled
cow
(p
<
0.05)
than
reference
ones.
local
proved
an
8
°C-lower
skin
after
cow’s
resting
period.
presented
opens
new
research
direction
toward
cattle’s
welfare,
sustainability,
food–energy–water
nexus,
based
potential
energy
savings.
Язык: Английский