BREEDING, LINE AND IN-BREEDING 



53 



the veteran Light Brahma breeder. In this chart the solid circles 

 and segments represent the male blood elements, and the solid lines 

 that a male has been chosen from the group from which they start. 

 The white circles and segments represent the female blood ele- 

 ments and the dotted lines that the females have been chosen from 

 the group from which they start. The shaded circle represents a 

 scheme for the admission of new blood. Suppose we have two 

 extra good birds which when mated together produce high-class 

 offspring. Then the problem is how to perpetuate the quality of 



Like Breed/kg Ch/jrt 



fiFTEK V.KFELCH 

 ■ LINE. 



GCNEMTIONS 

 St 



12 '3 1+ 



By Courtesy op "Breeder's Gazette." 



the parents and offspring without the dangers of close in-breeding 

 or of destroying the results of several years of work, by violent 

 out-crossing. By following line breeding, three blood lines may 

 be developed, one of which shall contain a preponderance of orig- 

 inal male blood, one a preponderance of original female blood, and 

 the third equal proportions of original male and female blood. 

 In the chart let 1 represent the original male and 2 the original 



