Entwicklung Schwarztiger:

                                                                                                      4 Wochen

                                                                                       Schwarztiger BD 160 - 2010

                                                                                                      8 Wochen
 

                                                                                                     12 Wochen

                                                                                                       4 Monate

                                                                                                       5 Monate

                                                                                                      6 Monate