Deming graphic. (Deming, N.M.) 1903-1948, 1914-05-22
E.AOW TO SET AND Use An INCUBATOR

tire building insulated. In sections
that have a mild climate, machines
may be operated in buildings with
single walls, but II well-insulated
room is always preferable.
Where only few small machines
are used they are generally run in a
room or cellar of the house. Good
results in Matching may be secured
in cellars as well as in roofs, and
these are more commonly used.
Many of these cellars are provided
with some system of ventilation be-
side windows. muslin screens on the
windows often providing god ven
tilation without draft, and keeping
the sun from shining on the machines.
Cement flors are easier to keep clean
than dirt floors. Where the equip
ment is extensive, II special cellar or
house should be provided.
HOW TO OPERATE A MACHINE
In setting up the machine, get it
perfectly level. DO not plane of the
door if il sticks, until the machine
has been heated up and thoroughly
dried. Run the machine ut about
lO2 degrees Fahrenheit for a day be-
fore putting in the eggs. Afterwards
do not touch the regulator for several
hours rs it takes this time for the
machine to come back to its regular
Temperature.
The temperature should remain
nearly even. When the bulb Of the
thermometer rests directly on the
eggs The temperature Is usually held
at lOli, degrees To- lO2 Fahrenheit
the first week, lO2 degrees 10 lO'' de
yrccs Fahrenheit. the second week.
and 1903 degrees Fahrenheit the last
week; while II hanging thermometer
is operated ut about lO2 degrees to
1921. degrees Fahrenheit, the first
two weeks. and 1903 degrees Fahrcn-
hcil for the last week.
The eggs tend 10 throw of more
heat rs they develop, So that occa-
>ionally the regulator needs To be
changed slightly. but il should not
be- hanged any more than is abso-
lutrly necessary. The temperature of
the egg chamber may be- lowered by
lowering The flame of the lamp in the
middle of the day. Regulate the IN
rubator before opening the door to
tend 10 the eggs. Most operators
tend 10 their machines two or three
times daily.
CAUSES OF POOR MATCHES
The cause of poor matches is n
much discussed question, which de-
ponds on great variety Of clrrum-
stances. A poor hatch is more apt
to be due to the condition of the eggs
previous to Matching than to incuba-
ton, although improper handling of
either factor will produce the same
results. When eggs fail to hatch.
see whether the breeding stock Is
kept under conditions which tend to
produce strong, fertile germs IN the
eggs. if the eggs have been handled
properly before incubation, and
whether the conditions we're right
during incubation, ms judged by the
time of the hatch.
A daily temperature record should
be- kept of each machine. The opera
tor can thus compare the tcmpern-
ture at which the machines have been
kept, which may prove valuable in
the future work, especially II th"
brooder records can be checked back
against those of the incubator.
Every poultry raiser who contem-
plates setting up an incubator is ad-
vised to write for the new bulletin.
to the United States department of
agriculture, Washington, d. {.
Among other details it has para
graphs on moisture and ventilation.
testing eggs, and disinfecting and
D - ;n.uhatnrs