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.
, L3 Y- G) v" B' bWhite 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.
  Y# B5 t8 x; aBrown-feathered hens usually lay brown eggs.
; S" b. m' [% r' CProducing brown eggs costs more because brown hens are larger than white ones and they eat more feed.

" g# p1 E/ o' D' e7 [5 XYoung hens lay pee wee eggs and older hens lay jumbo eggs;

+ M! n/ Y8 G# l, A8 \7 j+ fFree-run eggs are nutritionally the same as regular eggs.

6 b3 B5 s  ]5 N5 `( jOrganic eggs are nutritionally the same as regular eggs.
6 }8 ~1 [5 K7 S: k
Free-range eggs are nutritionally the same as regular eggs.


Here is articles:
4 C( H2 d/ F6 u7 z) E; Ohttp://www.getcracking.ca/EDU/a_guide_to_choosing_eggs.pdf
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