Permanent Marking of Colored Mice Using Dry Ice

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  • OHWADA Kazuo
    <I>Laboratory Animal Center, Yamagata University School of Medicine</I>

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Other Title
  • ドライアイスを用いた有色マウスの永久標識法
  • ドライアイスを用いた有色マウスの永久標識法〔英文〕
  • ドライアイス オ モチイタ ユウショク マウス ノ エイキュウ ヒョウシキホウ

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Description

Freeze marking, using dry ice, was successfully applied to colored mice for permanent, individual, identification. By this method, a 5-8 mm piece of dry ice is pressed against the skin of mice for 10 seconds. About 3 weeks after this treatment, spots of white hair growing at the site of treatment became recognizable to the naked eye, and allowed permanent identification of individual animals thereafter. The white spots were very clear in colored mice, and greatly facilitated animal identification as compared to conventional marking methods. Treatment of the animals with dry ice for 10 seconds has no discernible effects on the site of the treatment or the general condition of the animals.

Journal

  • Experimental Animals

    Experimental Animals 40 (3), 395-399, 1991

    Japanese Association for Laboratory Animal Science

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