HOW TO CANDLE EGGS. 

 EGG WITH LARGE EMBRYO. 



(Plate IX.) 



17 



BEFORE 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. 



BEFORE 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. 



