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Comparison of the Blood Coagulation Profiles of Ferrets and Rats

  • TAKAHASHI Saya
    Department of Pharmacology, School of Veterinary Medicine, Azabu University
  • HIRAI Norihiko
    Department of Pharmacology, School of Veterinary Medicine, Azabu University
  • SHIRAI Mitsuyuki
    Department of Pharmacology, School of Veterinary Medicine, Azabu University
  • ITO Katsuaki
    Department of Pharmacology, School of Veterinary Medicine, Azabu University
  • ASAI Fumitoshi
    Department of Pharmacology, School of Veterinary Medicine, Azabu University

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Abstract

The aim of this study was to examine the blood coagulation profiles of ferrets and compare them with those of rats. The ferret activated partial thromboplastin time (aPTT) was slightly longer than the rat aPTT. In contrast, the ferret prothrombin time and thrombin time were profoundly shorter than the corresponding rat values. The fibrinogen level in ferret plasma was 2 times higher than that in rats. Heparin prolonged all blood coagulation times in a concentration-dependent manner in both ferret and rat plasma. A significantly (P<0.01) higher concentration of heparin was required to double the aPTT in ferrets than rats. These blood coagulation data for ferrets will be useful in experimental animal studies.<br>

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