Ducks and Geese: Standard Breeds and ManagementHoward, George E. (George Ellsworth)
Science
Ducks and Geese: Standard Breeds and Management
Howard, George E. (George Ellsworth)
Ducks; Geese
For artificial incubation, have a room with a temperature as nearly
uniform as possible. Balance the beat in the machines, or in other
words, see that the heat is uniform at both ends, and, in fact, all
over them. See that each is running steadily before placing the eggs in
it, as there is a great deal in starting right. The machines should be
run at a temperature of 102° for the first three weeks, and 103° the
last week. The eggs should be turned twice each day at regular periods.
Introduce a pan of water from the fifteenth to the twenty-second day,
no matter what the location of the machine, whether in a damp cellar
or in a dry room overhead, in a moist atmosphere near the seashore or
in a dry one at an altitude in the country. The temperature may go as
high as 101° just previous to and while hatching without injury. Place
the glass on a live egg after the animal heat rises, which will be
when the circulation begins. This will be perceptible in good eggs the
fourteenth and fifteenth days.
Considerable weight has been put upon the ventilation question in
incubators by manufacturers and operators, but it has been found that
when the egg chamber is roomy, and the eggs are taken out and cooled
twice each day, it is not of so much consequence. There is no doubt
but that there must be some ventilation in the egg chamber, but from
the experience and observation of the writer the value of the subject
has been overestimated by many. Some machines have top ventilation,
some bottom, and others both top and bottom, and there is seemingly no
marked difference in the hatching.
When the ducklings are hatching, the broken egg shells should be
removed once in every six or eight hours, so that they will not slip
over the pipped eggs, as it would be sure death to the imprisoned ones.
Occasionally a little bird is unable to free itself from the shell
and needs help; the expert can readily detect when this is necessary.
The one point to note in this connection is this: The egg just before
hatching radiates a great deal of heat, while the duckling, when first
out, being not unlike a little sponge, absorbs it, or in other words,
the rapid evaporation which takes place generates cold; so that when
the ducklings are out the machine should be gauged one degree higher.
When the ducklings are all out and dried off, the machine will run
at least two degrees lower than when they were in the egg. Plenty
of ventilation is needed in the machines while hatching. Keep the
ducklings in the machine at least twenty-four hours after hatching,
when they will be strong enough to be removed to the brooder. The heat
in the brooder should be started twenty-four hours previous to use, so
that it will be perfectly heated and ready for the ducklings when they
are taken from the machine.
GEESE.
STANDARD BREEDS OF GEESE.
Public-domain text, read in full here on John Shaqi.
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