观察假定之瑕疵                                      可能采取之行动         1)黑舌                                                       汰杀         2)喉头带有白点                                           汰杀         3)背部赢弱                                                 汰杀         4)耻骨部位松弛                                           汰杀         5)羽质不良                                                 汰杀         6)翅膀构造不良                                           汰杀         7)眼志不良                                                 汰杀         8)龙骨过于深凹                                           汰杀         9)体型过小                                                 汰杀       10)体型过大                                                 汰杀       11)主羽过密                                                 汰杀       12)肌肉僵硬                                                 汰杀       13)肌肉不良                                                 汰杀       14)缺乏敏感压力点                                        汰杀       15)体肉不足                                                 汰杀       16)体肉过剩                                                 汰杀       17)反应迟钝        (摩擦其耻骨部位时头仍不转向)                        汰杀