Eggs from free range chickens may have higher levels of dioxins and PCBs.
The image below was provided by Roodbont Publishers and is part of the Look, Think, Act series that will be published weekly on World Poultry. Hover over the icons within the image for more information or read more in the book Egg Signals, by Piet Simons.
Also interesting: Small hole in the egg shell
These issues have to do with the birds’ health. Visit World Poultry’s health tool to learn everything you need to know about poultry health.