Histopathological Study of Experimental Acute Poisoning of Cattle by Autumn Crocus (Colchicum autumnale L.)

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概要

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• Crude or dehydrated bulbs of autumn crocus (Colchicum autumnale L.) were fed to eleven calves. All the calves developed severe diarrhea and died or euthanized within 63 hr. At necropsy, the gastro-intestinal mucosa was edematous and hemorrhagic. Histologically, necrosis and degeneration with karyopyknosis and karyorrhexis were shown in the basal cell layer of the tongue, esophagus, forestomach, renal pelvis, urinary bladder, neck cell layer of the abomasal gastric glands, and intestinal cryps. These findings were also seen in Kupffer cells, renal tubular epithelial cells, and lymphocytes in the lymphoid and hemopoietic systems. The lesion of the present acute crocus poisoning of cattle closely resembled those reported in humans with colchicine intoxication. Refined acetone extract of organs of poisoned cattle proved to contain colchicine and demecolcine by high performance liquid chromatography.

著者

• MATSUI Takane

  Department of Veterinary Pathology, Obihiro University of Agriculture and Veterinary Medicine

• Furuoka Hidefumi

  Department Of Basic Veterinary Medicine Obihiro University Of Agriculture And Veterinary Medicine

• NAKAGAWA Michio

  Department of Comparative Pathology Faculty of Veterinary Medicine Hokkaido University

• Kobayashi Masaru

  National Institute Of Animal Health 3

• Matsui Takane

  Department Of Clinical Veterinary Science Obihiro University Of Agriculture And Veterinary Medicine

• Yamada Manabu

  Deparment of Applied Chemistry, Faculty of Engineering, Shizuoka University

• YAMADA Manabu

  Department of Veterinary Pathology, Obihiro University of Agriculture and Veterinary Medicine

• HARITANI Makoto

  Tohoku Branch Laboratory, National Institute of Animal Health

• KOBAYASHI Masaru

  National Institute of Animal Health

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