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.
, r& ~3 k! Y5 l5 g3 AThese are the most common laying hens in Canada. White eggs are usually less expensive than brown eggs.
Brown-feathered hens usually lay brown eggs.
8 `. [& {6 n" `+ z9 kProducing brown eggs costs more because brown hens are larger than white ones and they eat more feed.
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8 O3 d/ [$ y0 m  c+ NYoung hens lay pee wee eggs and older hens lay jumbo eggs;
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* T' ]+ W* x3 P2 C* }Free-run eggs are nutritionally the same as regular eggs.
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Organic eggs are nutritionally the same as regular eggs.

+ ~1 Q5 N3 a! T6 z+ i  Q7 vFree-range eggs are nutritionally the same as regular eggs.

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& `* {( e; t1 N5 D( kHere is articles:
http://www.getcracking.ca/EDU/a_guide_to_choosing_eggs.pdf
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