Wednesday, September 21, 2016

How a Chicken Lays an Egg Inside of An Egg + VIDEO


How a Chicken Lays an Egg Inside of An Egg + VIDEO

Egg Inside Egg? The Science Behind a Counter-Peristalis Contraction. When raising chickens for eggs, expect the unexpected. Though quite rare, it is well-known that occasionally a hen will lay an egg inside of an egg. The cause of this phenomenon is called a counter-peristalsis contraction and occurs while the hen is in the process of forming an egg in her oviduct.