60 



THE BIRDS 



is quite a common practice to hatch the meat breeds about 

 a month earlier than the light and more active breeds, so 

 that they will all mature at the same time in the fall. Accom- 

 panying slow maturity in birds of these breeds, we find slow 



FIQ. 40. The body shape of the heavy meat breeds is very blocky. In many cases 

 it conforms very nearly to a square. 



feather growth and a very full body fluff. If not given 

 plenty of range and green feed during the summer, these 

 breeds will become checked. This will result in retarded 

 maturity and generally unfavorable conditions. 



