Comment by AlexandrB
The dark truth about keeping chickens and many other poultry is that they hatch in an approximately 1:1 male:female ratio, but can't be kept in that ratio without severe conflict and stress. Thus, hatching chickens to keep for egg-laying requires killing most of the male chicks. So yes, you have to kill chickens to eat eggs.
The "severe conflict and stress" part may be hard to understand for the cityfolk; you have to kill chickens to eat eggs, or else they will do it.