FULL SIBLING PAIRING
                                                C-of-I = 25.00
                                                                                                                  
               |->  4s SIRE               RC=44.72%         The inbreeding comes from the SIRE and DAM who            
          |->  2s Brother            RC=67.08%              each contribute 12.50 to the inbreeding coefficient.      
          |    |->  5d DAM                RC=44.72%                                                                   
          |                                                 The surpise may be in both the Brother and Sister  
     -->  1  TARGET-BIRD        CI=25.00%                   who each have a 50% percent blood relations but a
          |                                                 67% likeness EST REL CONTB to the TARGET-BIRD.
          |    |->  6s SIRE               see position 4                                                            
          |->  3d Sister             RC=67.08%                                                                        
               |->  7d DAM                see position 5                                                              

                   S       FR LA             --SIRE-- ---DAM-- INDPD   EST  PAIR                       
                   E   COI ST ST NO NO  PCNT NO  PCNT NO  PNCT INDVD   REL  BACK                       
ID                 X  PCNT GN GN OS OC BLOOD OC BLOOD OC BLOOD CONTB CONTB   COI SIRE               DAM
------------------ - ----- -- -- -- -- ------ -- ----- -- ----- ----- ----- ----- ------------------ ------------------
SIRE               m  0.00  3  3  2  2 50.00  1 25.00  1 25.00 12.50 44.72 25.00                                      
DAM                f  0.00  3  3  2  2 50.00  1 25.00  1 25.00 12.50 44.72 25.00                                      
Brother            m  0.00  2  2  1  1 50.00  1 50.00  0  0.00  0.00 67.08 37.50 SIRE               DAM               
Sister             f  0.00  2  2  1  1 50.00  0  0.00  1 50.00  0.00 67.08 37.50 SIRE               DAM               
TARGET-BIRD        ? 25.00  1  1  0  0  0.00  0  0.00  0  0.00  0.00  0.00  0.00 Brother            Sister