德国牧羊者牵转具，白。（瑞士人看守牵转具）在GSD的白是一个占优势的掩蔽基因，而且一直被皱眉头在被之上主要品种棒形骨针。
German Shepherd Dog , White ( Swiss Shepherd Dog ) . White in the GSD is a dominant masking gene , and has always been frowned upon by the major breed clubs .
牧羊者