ARTIFICIAL INCUBATION 



193; 



brooder and care for the young chicks. This also pro- 

 vides a shady place for the chicks to run under as they 

 grow older. There is no door to this house, but the 

 roof is made in two parts and hinged at, the sides so 

 that it can be opened, thus exposing the inside. The 

 house is two feet high at the rear and three feet in. 

 front above the sill, four feet wide and six feet long. 

 The yard attached can be of any size desired and cov- 

 ered with either one or two-inch mesh netting.- This 

 house is also very useful for special matings. If 

 cleaned daily and moved to fresh ground once or twice 



FIG. 81 AN INDIANA COLONY-BROODER HOUSE. 



a week twelve fowls can be kept in it with a yard six 

 by twelve feet in size. 



. A Gasoline-Heated Colony-Brooder House — Lat- 

 est developments in artificial brooding are to get away 

 from the small individual indoor and outdoor brooders 

 and to adopt a system that will hover more chicks 

 at a less expense of fuel and labor. A system of using 

 gasoline for heating a brooder is being successfully 

 used by the Poultry Husbandry department of Cornell 

 University. It has been devised by Prof. James E. 

 Rice and associates. By his method of rearing chick- 

 ens in large flocks in colony houses heated with gaso- 

 line from 1700 to 2000 chickens have been reared each: 



