The most frequent case however, remains incomplete and/or cyclic depigmentation that occurs in adult dogs with black nose: unhappily, the origin is still unknown.
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- 成狗是黑鼻子的狗狗经常会发生不完全的残留,或者循环系统退色发生在成狗是黑鼻子的:很不幸,这种情况的原因没有找到。