White or Brown eggs---There is no nutritional difference.

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White or Brown: Eggshell colour is determined by the type of hen that lays it. There is no nutritional difference.
White eggs are laid by white-feathered hens.
These are the most common laying hens in Canada. White eggs are usually less expensive than brown eggs.
Brown-feathered hens usually lay brown eggs.
' Q1 U( K3 N: x  q, _& {$ J4 LProducing brown eggs costs more because brown hens are larger than white ones and they eat more feed.

# y/ _  H) k& X" lYoung hens lay pee wee eggs and older hens lay jumbo eggs;

Free-run eggs are nutritionally the same as regular eggs.
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Organic eggs are nutritionally the same as regular eggs.
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% H# R2 p' J% J+ N7 ?$ [- pFree-range eggs are nutritionally the same as regular eggs.


$ z/ M1 f8 h+ p* x" H+ \Here is articles:
http://www.getcracking.ca/EDU/a_guide_to_choosing_eggs.pdf
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