Managerial factors affecting milking-abilities of Holstein cattle under intensive production system in Egypt
Tropical Animal Health and Production,
Journal Year:
2025,
Volume and Issue:
57(1)
Published: Jan. 1, 2025
Abstract
This
article
aims
to
explore
milking-ability
criteria
of
Holstein
dairy
cattle
under
intensive
production
system
in
Egypt
and
investigate
some
managerial
factors
that
influence
them
farms.
The
data
obtained
from
five
herds
belong
a
commercial
farm,
Egypt.
Data
included
3509
records.
values
mean
±
SD
(CV%)
the
for
as
follow:
daily
milk
yield,
kg
(dmy),
milking
duration,
min
(MD),
peak
flow
rate,
−1
(PFR),
average
(AFR),
AFR
0:15
s
milking,
15:30
30:60
60:120
were
30.34
6.76
kg,
(22.27%);
4.16
0.79
(19.06%);
3.62
(21.77%);
0.28
0.11
(39.48%);
1.40
0.49
(36.37%);
1.26
0.50
(39.95%);
1.96
0.71
(36.05%),
,
respectively.
milking-time
(a.m./p.m.)
herds’
men
influenced
significantly
(
P
≤
0.01)
on
dMY,
criteria.
In
addition,
there
was
significant
effect
˃0.05)
cows’
dry-period
MD,
PFR
AFR.
Also,
it
clearly
appearing
dramatic
decrease
yield
by
increase
mastitis
infection
times.
Milking-ability
Holstien
may
be
go
better
via
good
management,
hygiene,
well-trained
men.
cubic
models
are
higher
determination
coefficient
p
0.05)
than
linear
curve
estimates
through
time
lactation
period
studied
traits.
milking-abilities
inconstant
all
over
period.
Language: Английский
Improving Lactation Curve Estimation in Sheep: A Comparative Analysis of Machine Learning Algorithms Across Milk Recording Schemes
Lecture notes in computer science,
Journal Year:
2025,
Volume and Issue:
unknown, P. 190 - 199
Published: Jan. 1, 2025
Language: Английский
The economic optimization of lactation and fertility in dairy cows
CABI Reviews,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 9, 2024
Abstract
Lactation
and
fertility
are
recognized
as
fundamental
factors
that
directly
influence
the
sustainability
of
dairy
farming.
For
farms
working
with
high-yielding
cows
in
particular,
maintaining
parameters
at
economically
optimal
levels
is
crucial
to
ensuring
continued
viability
such
operations.
This
review
underscores
necessity
implementing
multifaceted
strategies
attain
lactation
outcomes,
elucidating
requisite
steps
involved
execution
these
strategies.
These
include
careful
estrus
monitoring
plans,
comprehensive
staff
training,
systematic
record-keeping,
parameters,
judicious
interpretation
herd
management
mathematics.
Accurate
forecasting
investment
necessitate
consideration
current
market
dynamics.
Understanding
complex
interplay
between
a
critical
prerequisite
for
improving
overall
economic
productivity
through
management.
To
this
end,
presented
simulates
how
optimization
two
can
be
achieved
their
target
values,
based
on
100-head
herd.
While
exemplary
model
costs
Türkiye,
readers
adapt
simulation
calculate
according
own
country’s
standards.
Furthermore,
evinced
relying
solely
milk
production
incur
losses,
highlighting
need
diversification
ensure
sustainability.
In
conclusion,
symbiotic
relationship
demands
mathematical
approach,
adoption
integrated
essential
farms.
context,
profitability
attained
by
heeding
all
cautions
regarding
lactation,
while
closely
costs.
Language: Английский