272 MAINE AGRICULTURAL EXPERIMENT STATION. 1908. 





Incubator No. 





In Incubator 

 Tested 



a 



Tested * 



1 



Mother 



Eggs In 



'"'""" 



In Shell 



HATCHED 



Mating 



remarks 



s 















s 



•8 















10 



i 

















rt 

















ii 















14 

















ie 



i" 















is 



a" 

















S" 

















8 















22 

















24 



1 

















| 

















z 















28 



J 















30 



















Fig. 13. Incubator record sheets. In facsimile, reduced one-half. 



At the top of these incubator records are placed the following 

 data: The number of the incubator; the date on which the 

 eggs were put in ; the date on which they hatched, and the date 

 or dates when they were tested. Below the double horizontal 

 line one horizontal line is given to the eggs from each breeding 

 hen whose eggs go into that particular incubator. In the first 

 column is recorded the mother's band number; in the next 

 column the number of eggs from that hen which go into the 

 incubator. In the next two columns are recorded the number 

 of eggs from that hen which prove to be infertile or, being 

 fertile, produce embryoes which die before hatching. In the 

 next column is given the number of chicks which hatch from 

 the given lot of eggs. Finally, in the column headed "Mating" 

 is recorded the mother's mating number. It will be seen that 

 this at once connects the incubation records with the rest of the 

 pedigree record system. In the final column is left a space for 

 notes of a character not otherwise provided for on the sheet. 



It will of course be apparent that the incubator records here 

 discussed are quite distinct from those which have to do. with 

 the performance of the incubator in regard to temperature, 

 humidity and the like. Such records are not peculiar to pedi- 

 gree breeding work and consequently will not be discussed in 

 this paper. 



