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

qiaohe

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.
) `& d/ g5 g; a. g/ v2 ]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.
Producing brown eggs costs more because brown hens are larger than white ones and they eat more feed.
5 i; o$ O& T/ ?; d+ {* L
5 Z6 ^' B& t8 ?# Q, GYoung hens lay pee wee eggs and older hens lay jumbo eggs;
( @8 ~* l: i" o( U& m
Free-run eggs are nutritionally the same as regular eggs.
5 O! j9 n5 D; b, t% l6 P9 I) ?
Organic eggs are nutritionally the same as regular eggs.
8 V$ n# g  S" l1 }: L$ E5 j  N( V
" {3 [( I  c& B, a2 D, B6 G( o) TFree-range eggs are nutritionally the same as regular eggs.

) H) F) G- i9 e: u, G1 P' F
) R- n$ S& A4 L! X5 Q' x, c" s1 OHere is articles:
0 a2 y( M% L/ v' l# o* chttp://www.getcracking.ca/EDU/a_guide_to_choosing_eggs.pdf
* Y1 d* r4 s, u* a+ y. \

6 J/ q2 {  G# ^* o2 Y