News and analysis for the global poultry industry.

Vincent Guyonnet

Vincent Guyonnet, DVM, Ph.D., is a consultant to the poultry sector with a focus on international development.



Does eggshell color really matter?

An egg’s shell color has no bearing on its nutritional value, but there are examples of where eggshell color is valuable for differentiation.

Eggshell color has no impact on an egg’s nutritional value, but some consumers still prefer one color over another. Why is this? 

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The COVID-19 pandemic or a tale of two egg sectors

Latest figures show that the COVID-19 pandemic affected egg consumption in different ways with differences evident between developed and less-developed countries and shell and egg ingredients.
Egg consumption usually goes up in times of economic difficulty, but is this true across all markets and product types?
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