为什么我不能给我的狗戴跳蚤和扁虱项圈？

避免微小寄生虫的最简单方法似乎就是给动物戴上虱子或跳蚤项圈，然后无忧无虑地徒步进入森林。但你绝对不应该这样做。

主持：迈克尔-阿兰达（Michael Aranda）：Michael Aranda

点击此处查看 SciShow YouTube 频道上的视频。

照片缩略图 博客作者
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科学秀讨论科学新闻、历史和概念。我们以怀疑和热情并存的态度，深入探讨......但又不至于走火入魔。总之，大多数时候都是这样。

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