BREEDING POULTRY FOR EGG PRODUCTION. 



131 



From these tables the following matters are to be noted : 



I. The percentage of infertile eggs is distinctly high, being 



Table: B. 



Hatching Records of Barred Rock Pemales of H'.gh Fecundity 

 Lines. Season of ipii. 





1 











Per cent 









Eggs 



Infer- 



Per Cent 



Died in 





fertile 



Chicks 



Per cent 



Hen No. 



set. 



tile. 



' infertile. 



shell. 



Hatched. 



eggs 

 hatched. 



died in 

 3 weeks. 



died in 

 3 weeks. 



4 



43 



2 



4.6 



15 



26 



63.4 



3 



11.5 



9 



57 



10 



17.5 



19 



28 



59.5 



3 



10.7 



10 



69 



20 



28.9 



20 



26 



53.1 



1 



3.8 



11 



18 



5 



27.7 



6 



7 



53.8 











12 



60 



2 



3.03 



10 



48 



82.7 



6 



12.5 



14 



64 



14 



21.8 



8 



42 



84.0 



3 



7.1 



18 



43 



7 



16.2 



34 



2 



5.1 











19 



48 



3 



6.2 



13 



32 



71.1 



2 



6.2 



20 



45 



1 



2.2 



24 



20 



45.4 



.3 



15.0 



■ 22 



38 



4 



10.5 



32 



2 



5.8 



1 



50.0 



25 



53 



7, 



13.2 



22 



22 



47.8 



2 



9.1 



27 



57 



19 



33.3 



25 



13 



34.2 



5 







28 



45 



4 



8.8 



15 



25 



60.9 



2 



8.0 



29 



53 



9 



16.9 



14 



29 



65.9 



3 



10.3 



36 



47 



4 



8.5 



11 



32 



74.4 



4 



12.5 



39 



43 



8 



18.6 



33 



2 



5.7 











41 



51 











30 



20 



39.2 











46 



40 



30 



75.0 ■ 



5 



4 



40.0 



1 



25.0 



53 



38 



8 



21.1 



18 



12 



40.0 



2 



16.6 



62 



52 



21 



40.3 



13 



15 



48.3 



3 



20.0 



76 



46 



7 



15.2 



8 



31 



79.4 



4 



12.9 



77 



34 



33 



97.1 



1 



















81 



37 



3 



8.1 



6 



27 



79.4 



1 



3.7 



85 



56 



15 



26.7 



27 



13 



31.7 



2 



15.3 



117 



50 



4 



8.0 



13 



33 



71.7 



5 



15.1 



134 



50 



28 



56.0 



18 



4 



18.1 











165 



38 



3 



7.8 



11 



-24 ■ 



68.5 



1 



4.1 



196 



42 



10 



23.8 



12 



20 



62.5 



5 



25.0 



198 



46 



5 



10.8 



24 



17 



41.4 



3 



17.6 



273 



46 



22 



47.8 



7 



16 



66.6 



1 



6.2 



1138 



35 



2 



5.6 



3 



29 



87.8 



2 



6.8 



1156 



37 



13 



35.1 



8 



10 



41.6 



4 



40.0 



1169 



42 



6 



14.2 



24 



11 



30.5 



2 



18.1 



1170 



40 











5 



35 



87.5 



2 



5.7 



1191 



51 



2 



3.9 



25 



23 



46.9 



13 



56.5 



1196 



42 



5 



11.9 



6 



30 



81.1 











1203 



40 



5. 



12.5 



16 



19 



54.2 



4 



21.0 



1213 



48 



3 



6.2 



22 



24 



53.3 



10 



41.6 



1225 



40 



6 



15.0 



25 



9 



26.4 



2 



22.2 



1232 



39 



1 



2.5 



13 



24 



63.1 



4 



16.6 



1255 



21 



10 



47.6 



7 



4 



36.3 











1256 



42 



3 



7.1 



11 



28 



71.7 



2 



7.1 



Totals and 















1 





weighted 



















averages 



1886 



364 



19.3 



659 



838 



55.1 



106 



12.6 



19.3 percent in one case and 18.8 percent in the other. This, 

 however, does not mean, as might at first thought be supposed 

 that there is some weakness on the part of the males or 

 females bred. As a matter of fact the explanation of this poor 

 record of fertility is that when the pens were mated up early 

 in February no interval of time was allowed for the establish- 



