270 



MAINE AGRICULTURAL EXPERIMENT STATION. IQ08. 



HATCHING RECORDS. 



For each mating number there is made out as a part of the 

 records a sheet on which is entered all the data regarding the 

 actual breeding performance of the individuals so far as that 

 particular mating is concerned. The sheets on which these 

 records are kept are ruled as shown in Figure 12. 





Ego Color 

















Matino No 





Eoo Length 



Ego Weight 







Eoo Breadth 



Egg Index 





a 



DATE 



Egg! 

 Sll 



Inforlll • 



Per Ccnl 



Olid In 

 Shell 



Hatched 



■us 



Oledln 

 3 Weeks 



Incuh- 



• n .d„ 



REMARKS 



1 

































L 1 



















































I 



r 

 















































< 



r 

























< 

 (- 



15 















































1 



X 









































































i 

























< 



a 

 1 



< 



7 













































































































































Fig. 12. Hatching record sheet. In facsimile, reduced one-half 



At the upper right hand corner of this sheet is placed the 

 mating number which serves to connect the sheet with the other 

 records. There are also placed at the top of the sheet data 

 regarding the color, length, breadth, weight and length-breadth 

 index ( ioox breadth -r- length) of the eggs laid by the hen in the 

 particular mating to which the sheet belongs. Below the double 

 horizontal line are placed the detailed data regarding the hatch- 

 ing of this hen's eggs. In the first column of the sheet is put 

 the date when a given batch of eggs are hatched. In the next 

 column is given a record of the number of eggs in that batch; 

 that is, the number of eggs set which were hatched at the date 

 given in the first column. In the third column is recorded the 

 absolute number of infertile eggs in this batch. The following 

 column gives the percentage of infertile eggs. In the fifth 



