Egg Colour

[pampa837]

Read in article (BYC) that brown eggs are initially white & later coated with Porphyrin pigment ... i agree but what about the white eggs/ White hens..?? mean they wont contain Porphyrin pigment( Hb/ Haemoglobin..? )

 

[Happy Chooks]

There are white and blue eggs. You get the following colors from them.

white eggs + brown spray paint = brown egg
white egg + no spray paint = white egg
blue egg + no spray paint = blue egg
blue egg + brown spray paint = green egg

 

[Ol Grey Mare]

There are white and blue eggs. You get the following colors from them.

white eggs + brown spray paint = brown egg
white egg + no spray paint = white egg
blue egg + no spray paint = blue egg
blue egg + brown spray paint = green egg

- x 2 to Happy Chooks' great explanation

 

[enola]

There are white and blue eggs.  You get the following colors from them.

white eggs + brown spray paint = brown egg
white egg + no spray paint = white egg
blue egg + no spray paint = blue egg
blue egg + brown spray paint = green egg

A very simplistic, to the point explanation of how egg shells are colored!!