DlVI^IOy OF POULTRY 



959 



SESSIONAL PAPER No. 16 



Simplex Brooder house and from there taken to the individual hovers placed in colony 

 houses. 



A ROOM BROODER. 



The room brooder into which a Simplex Brooder stove is j)laced is intended for 

 brooding on a fairly large scale. The house shown here will accommodate 500 to 

 biOO chicks. It is divided into two rooms, the oil-burning stove is placed in one room 

 while the other room is used for an indoor run. 



This brooder has been used for two seasons at the Central plant and has proven 

 a very satisfactory, method of brooding chicks in large numbers, but should be operated 

 to capacity or the expense of heating will be too high. 



By making temporary divisions, chicks or ducks of various ages can be accom- 

 modated at the same time. 



FERTILITY. 



ONE MATING ONLY. 



The following investigation was carried out with the object of determining the 

 number of eggs that would be fertilized with one intercourse only. 



Virgin females were selected, or those that had been separated from the male bird 

 for at least eight months and were just about to lay. 



The hens were taken individually from the trap nest after laying and allowed one 

 intercourse only with the male. 



Eggs laid after intercourse were placed, in an incubator and tested on the seventh 

 day. 



Table No. 3. — Showing number of eggs fertilized by one mating only and the 



time that fertility was traceable. 



Notes.—-' F." means fertile and " I." infertile. 



Ottawa. 



