digitS' :
In the early part of the 20th century, US egg production began to shift from brown-egg layers to white. By mid-century, consumer preference was strongly on the side of white, white, white.
Selective breeding has gone both ways with more efficient layers developed for either color. But, greater emphasis was placed on white egg shells.
We seem to now be in something of a change with an idea growing in the consumer's mind that brown eggs are more wholesome or fresh. The commercial flocks of brown-egg layers must be growing to meet that increasing interest.
It is interesting to see how breeds and hybrids have waxed and waned in their popularity. A lot of that has been a result of nothing more than the color of their egg shell.
I'm personally on a campaign for the
cream egg shell layers
.
Steve
Dead on the money, Steve.
When the Leghorn breed took over, it wasn't because of some inherent goodness of the white egg. It was strictly a matter of economics. Leghorn breeds are more efficient at converting feed into copious quantities of eggs. Plain and simple.
At that time there was a decided mistrust of the white egg, in fact, as brown had been the predominant color prior to that. It took a lot of marketing and advertising to get people to accept them. It would take a lot of effort to get them to shift away from them, now...effort that isn't worth the trouble
The same simple economics that gave rise to their predominance will keep them in play. Leghorn breeds simply are more efficient at feed conversion on a commercial scale, giving little reason to develop a brown egg Leghorn.
I suspect the white egg is to be with us for a long time to come.