Wild Japanese Black Bear Immobilization with a Ketamine-Xylazine Combination

DOI Web Site 14 References
  • OH-HARA Kayoko
    Hiroshima Prefectural Animal Management and Welfare Center:(Present address)Hiroshima Prefectural Hatsukaichi Community Health Center
  • KAWANISHI Hidenori
    Hiroshima Prefectural Animal Management and Welfare Center:(Present address)Hiroshima Prefectural Kaita Community Health Center
  • ITOH Masaru
    Hiroshima Prefectural Animal Management and Welfare Center
  • MASAOKA Ryota
    Hiroshima Prefectural Animal Management and Welfare Center
  • FUJII Mitsuko
    Hiroshima Prefectural Animal Management and Welfare Center
  • FUKUMOTO Yukio
    Hiroshima City Asa Zoological Park Doubutsuen

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Other Title
  • ケタミン・キシラジン混合液による野生ニホンツキノワグマの不動化

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Description

Fifteen wild Japanese Black Bears, Ursus thibetanus japonicus, cought in cages for capture or wire traps, were immobilized intramuscularly with a combination of ketamine hydrochloride and xylazine hydrochloride in the bullet of blowgun or caputure rifle. Standard amount of the drug combination was assumed to be ketamine 10 mg/kg and xylazine 1.0 mg/kg in body weight 1 kg. The largest bear(a male)weighted 90 kg and the smallest bear(a female)weighted 26 kg. Actual drug dosages administered were ketamine 6.25 mg and xylazine 0.625 mg to ketamine 20.00 mg and xylazine 2.00 mg in body weight 1 kg. Immobilizing induction time were 3 to 11 minites. The total quantity of ketamine and xylazine solusion administered for each bears were 1.75(in a female weighted 26 kg) to 15 ml(in a male weighted 75 kg). Salivation and clonic spasm were slight in one bear, but the bear recovered without any treatment.

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