最丑陋秃毛动物:基因缺陷致眼镜熊变裸体熊(3)
3. 秃毛鼠
秃毛鼠
动物脱毛往往还伴随着瘙痒与疼痛等症状,这种脱毛可能是由于皮肤感染引起的。人们有时可能会注意到,一些宠物鼠也会出现脱毛现象。通常情况下,宠物鼠脱毛症是由鼠笼等生活环境所引起的。如果没有其他症状的话,宠物鼠的主人就应该考虑鼠笼是否滋生了病菌。不过,有的老鼠也有周期性掉毛现象。日本科学家发现,缺乏Sox21基因的老鼠,从出生后11天开始掉毛,到出生后20到25天,体毛掉光,脸颊上的腮须也无法幸免。但是,这种秃毛鼠会在几天后长出新毛。
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