IMPROVING EGG PRODUCTION BY BREEDING. 233 



+ 6 "^fSr -^ 6 ^^ -h 2 WW * 2 



— ;^^ _i 



Fig. 76. Diagrams showing the results of mating: G, a Type 7 male 

 H, a Type 8 male; and I, a Type 9 male, with high laying hens. 

 2 



