[Tax-chick]

Relative prices always fluctuate.

[nopardons]

It's also the fact that the way chickens are raised has changed over time, refrigerated trains ( invention of, improvements of, etc.) and the like.

Foods come and go, re what's "in" to eat.

The American colonists thought that lobsters were not worth eating and fed them to their pigs. YIKES!

But I did find this who "pigeon" /squab story interesting, though somewhat incorrect. "City folks" ( Manhattan ), as late as the mid 1960s, thought of squab as an elegant/fancy dinner/meal.