Small and Backyard Flocks July 27, 2012 Print Friendly and PDF

Chalaza (plural = chalazae) - Two white cords of tightly spun albumen (egg white) found on either side of the yolk.  They are twisted from the inner thick albumen and provide one important structure to keep the yolk properly positioned in the egg.

Figure 1. Location of the chalazae in an egg. Source: Jacquie Jacob, University of Kentucky

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This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.