192 



HOUSING 



Trap Nests. — Trap nests, as the name implies, are espe- 

 cially designed to catch or detect the hens which lay eggs; 

 they are used in pedigree poultry breeding. The general 



Fig. 106. — An egg crate, if turned on its side and a narrow, four-inch strip 

 nailed along the bottom of the openings, makes a very satisfactory nest. It can be 

 attached to the wall or suspended under the dropping platform. 



plan of these nests is the same, although there are some ten 

 to twenty different styles. When the hen enters the nest 

 to lay her egg, she releases a spring or trigger which closes 



FlQ. 107. — Nests located under the dropping platform as sketched in Fig. 105. 

 (Photo by A. L. Clark.) 



the door behind her, and fastens it so that no other hen can 

 enter, nor can the hen which is caught leave until the at- 



