62 THE CORNING EGG FARM BOOK 



of mother to daughter, and of father to son, is elimi- 

 nated. If all the qualities of a given " Strain " are to 

 be handed down line breeding must be adhered to in 

 the strictest sense. Inbreeding, however, must be 

 avoided, or disaster will follow. 



How Corning Farm Produces Unrelated Cockerels 



The Method of The Coming Egg Farm is as fol- 

 lows : a pen of carefully selected yearling hens is set 

 aside in what is known as "the pen for the produc- 

 tion of unrelated cockerels." A most carefully 

 selected cockerel to every twelve hens is placed in the 

 pen. Incubators are run with eggs from this pen 

 only, and the resulting chicks are marked before being 

 placed in the Brooder House. The cockerels which 

 appear with this marking are grown to maturity, those 

 coming up to our standard being selected to head the 

 breeding pens for the following season. The marked 

 pullets are placed in the Laying Houses with the other 

 pullets, but are never selected for yearling breeders 

 on our own Farm. In pens sold to others we always 

 furnish unrelated cockerels. 



Having hatched a sufficient number of chicks to 

 produce about four hundred cockerels, no further 

 eggs are set from this pen, and, at the end of the 

 season, all the birds comprising this pen are sold. 



This Method of line breeding hands down the lay- 

 ing quality which has been so developed, and which is 

 being increased - from season to season in an unbroken 



