Producing the Egg-Layer: The Work On a First-Class Breeding Farm
... Producing the Egg-Layer The Work On a First-Class Breeding Farm Later an assistant releases the hen and collects the eggs noting the number on the leg- band and writing this on each egg. Trap nests are used as shown in the photograph. When a hen enters the laying nest a catch is released. The door drops down and so imprisons the hen. Some of the specially pedigreed birds have to be hatched in ...