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当前位置:科技 > 科学博览 > 生物奇趣 > 正文
最丑陋秃毛动物:基因缺陷致眼镜熊变裸体熊(4)
2009-12-15 10:04:40 中华网论坛 发表评论
    

    4. 秃毛狗

最丑陋秃毛动物:基因缺陷致眼镜熊变裸体熊

秃毛狗

    事实上,狗类秃毛现象在动物界最常见。对于狗类来说,它们掉毛本来是正常现象,最典型的是春秋两季时会掉毛。不过,对于不正常掉毛所造成的秃毛症状,则主要有两种原因。一种是皮肤因为跳蚤、过敏或炎症而引起发痒性脱毛。另一种是皮肤不发痒脱毛,这通常与荷尔蒙不平衡有关,最常见的是甲状腺或肾上腺的问题。性荷尔蒙不平衡也是狗秃毛的可能原因之一。此外,感染、免疫系统异常、药物反应和遗传等多种原因,也会造成秃毛。



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