HOW TO CANDLE EGGS. 
17 
EGG WITH LARGE EMBRYO. 
(Plate IX.) 
BEFOKE THE CANDLE. 
Air space: Enlarged. 
White: Thin and clear. 
Yolk: Covered with a network of 
blood vessels, in the center of which 
the embryo is beginning to take, or 
has taken, form. The embryo is seen 
as a dark body on the yolk, its size 
depending upon the period of incu- 
bation. With age, the blood vessels 
may become faded. The yolk may or 
may not be broken. 
Distinguishing characteristics : 
The network of blood vessels and 
the dark body on the yolk, which 
usually is broken. 
Inedible. 
Occurrence: During the hatching season and during warm weather. 
EGG WITH BLOODY WHITE. 
( Plate X.) 
OUT OF THE SHELL. 
White: Thin and clear unless the yolk 
is broken. 
Yolk: Covered with a network of 
blood vessels, in the center of which 
is the body of the embryo. The yolk 
may or may not be broken. 
Distinguishing characteristic: Size 
of embryo. 
BEFORE THE CANDLE. 
OUT OF THE SHELL. 
White: Mixed with blood ; sometimes 
clots are present. 
Yolk: Normal for giade of egg, but 
may bear blood clots. 
Distinguishing characteristic : 
Blood in white. 
Air space: Small or enlarged. 
White: Red in color, very often con- 
taining clots of blood which occur 
as irregular-shaped bodies moving 
through the white. 
Yolk: Usually intact. 
Distinguishing characteristic; A 
general reddened appearance, par- 
ticularly in the white. 
Inedible. 
Occurrence: Infrequent at all seasons of the year ; most common in early 
spring and late autumn when pullets begin to lay. 
EGG CONTAINING BLOOD CLOTS OR OTHER FOREIGN BODIES. 
BEFOEE THE CANDLE. 
Air space: Small or enlarged. 
White: Blood clots and foreign bodies 
appear as irregular-shaped dark-col- 
ored bodies floating in the white. 
Yolk: Usually intact. 
Distinguishing characteristic: 
Dark bodies floating in the white. 
OUT OF THE SHELL. 
White: Pieces of flesh, grain, gravel, 
or even feces or worms may be at- 
tached to the yolk or floating in the 
white. 
Distinguishing characteristic : 
Blood clots or foreign bodies in the 
white. 
Inedible, except in the case of eggs containing small clots of blood or small 
pieces of meat, which are easily removed when the egg is opened. 
Occurrence: Infrequent. 
