26 POULTRY 
and this will give them sufficient cooling. 
During the time when the eggs are being 
turned the door of the incubator may be 
left open and this will aid in airing out the 
machine. It will, of course, lower the tem- 
perature, but only for a short time, and 
should have no ill effect upon the hatch. If 
anything, it will be beneficial. 
Care at Hatching. When the first chick 
pips the shell the thermometer, if of the 
standing type, should be tied down adjacent 
to the second row of eggs from the door, so 
that the chicks in scrambling around will not 
tip it over and so that the operator can 
watch the temperature. The moisture pans 
should be filled, the machine closed up, and if 
there is not an outside wooden door, a bag or 
something similar should be hung over the 
front of the machine to exclude any light; 
otherwise the chicks that have hatched will 
come forward to the light and crowd. The 
machine should not be opened again until the 
hatch is entirely over, at the end of twenty 
or twenty-one days. 
Removing to Nursery. At that time the 
door should be opened, the moisture pans re- 
