Where is that butcher in Chinatown?
Peking Ducks have their heads on because it is easier to tie off because the the skin must be separated from the flesh. That is done by pumping air into the duck. If the head is cut off that is difficult to do. Moreover, I believe the Chinese would view not using the head it as wasteful.
On Exploring the Meat Market with a Butcher
Where is that butcher in Chinatown? Peking Ducks have their heads on because it is easier to tie off because the the skin must be separated from the flesh. That is done by pumping air into the duck. If the head is cut off that is difficult to do. Moreover, I believe the Chinese would view not using the head it as wasteful.