Survey of Leptospira Antibodies in Stray Dogs in Kagoshima Prefecture

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  • AKUZAWA MASAO
    Department of Veterinary Medicine, Faculty of Agriculture, Kagoshima University
  • TAKAHASHI TAKAYUKI
    Department of Veterinary Medicine, Faculty of Agriculture, Kagoshima University
  • NAKAMURA YASUO
    Department of Veterinary Medicine, Faculty of Agriculture, Kagoshima University
  • TAKENOSHITA HIROKAZU
    Department of Veterinary Medicine, Faculty of Agriculture, Kagoshima University
  • HARA YUKA
    Department of Veterinary Medicine, Faculty of Agriculture, Kagoshima University
  • MORIZONO MITURU
    Department of Veterinary Medicine, Faculty of Agriculture, Kagoshima University
  • SAKAMOTO HIROSHI
    Department of Veterinary Medicine, Faculty of Agriculture, Kagoshima University
  • OKAMOTO KAROKU
    Department of Veterinary Medicine, Faculty of Agriculture, Kagoshima University
  • DEGUTI EIZABURO
    Department of Veterinary Medicine, Faculty of Agriculture, Kagoshima University

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Other Title
  • 鹿児島県畜犬管理センターの引き取り犬におけるレプトスピラ抗体調査
  • カゴシマケン チク ケン カンリ センター ノ ヒキトリ イヌ ニ オケル レ

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Abstract

A survey of leptospira antibodies against eight serovars, icterohaemorrhagiae, canicola, autumnalis, hebdomadis, australis, pyrogenes, pomona and hardjo, was performed on dogs accommodated in the four facilities for stray dogs in Kagoshima Prefecture from May 1984 to March 1987. The incidence of positive reaction tended to be higher in males than in females and in older dogs than in younger dogs. Out of 806 dogs surveyed, 190 (23.5%) were positive to one or more leptospiral serovar. The incidence of sero-positive dogs was 57 of 204 (27.9%) in Kaseda, 53 of 197 (26.9%) in Miyanojo, 44 of 198 (22.2%) in Kokubu and 36 of 207 (17.4%) in Kagoshima city. The occurrence of leptospirosis did not seem to be related to the season. The incidence of positive reaction to leptospira was highest in serovar icterohaemorrhagiae throughout the four areas, and next in serovar canicola in Kagoshima city and Kokubu, and in serovar hebdomadis in Kaseda and Miyanojo. Although serovar australis, pyrogenes, pomona and hardjo had not been obtained in the previous survey of the southern part of Kyusyu district during 1972-1979, they were detected in this survey. All dogs examined were clinically normal, with or without antibody. Blood urea nitrogen (BUN) values in positive dogs were statistically higher within the normal range than those in negative dogs (P<0.05).

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