要 約
1997〜1999年に神奈川,山梨,静岡,長野各県および東京都に生息する野生ほ乳類1,190頭を捕獲して,蠕虫類の寄生状況を調査した.ホンドキツネVulpes vulpes japonicaからは犬回虫Toxocara
canis,犬鞭虫Trichuris vulpis,串間鉤虫Ancylostoma kushimaense,Arthrostoma miyazakiense,猫糞線虫Strongyloides
planiceps, Molineus patens,高橋吸虫Metagonimus takahashii, Concinnum ten,豆状条虫Taenia pisiformisの9種が検出された.また,クマネズミRattus
rattusおよびアカネズミApodemus speciosusの肝臓に猫条虫Taenia taeniaeformisの嚢虫,アカネズミの腹腔にT. crassicepsの嚢虫,ヒミズUrotrichus
talpoidesの皮下組織にマンソン裂頭条虫Spirometra erinaceieuropaeiのプレロセルコイドの寄生がみられた.しかしながら,いずれの検体からもエキノコックスEchinococcusの成虫あるいは幼虫は検出されなかった.
―キーワード:本州,疫学調査,蠕虫類,野生ほ乳類.
--------------------日獣会誌 54,635〜638(2001)
Epidemiological Surveys of Helminths
in Wild Mammals of Central Japan
Akihiko UCHIDA*†, Kikue UCHIDA, Yasushi KAWAKAMI,
Rikuo DOI, Eiji KANDA and Naoko NIHEI
*Laboratory of Medical Zoology, College of Environmental Health, Azabu University, 1-17-71 Fuchinobe,
Sagamihara 229-8501, Japan
SUMMARY
From 1997 to 1999, epidemiological surveys of helminths in such wild mammals as foxes
and rodents were conducted in Kanagawa, Yamanashi, Shizuoka, and Nagano Prefectures and in Tokyo. Each
infected fox harbored two or more of the following helminth species: six species of nematodes (Taxocara
canis, Trichuris vulpis, Anclystoma kushimaense, Arthrostoma miyazakiense, Strongyloides planiceps, and
Molineus patens); two species of trematodes (Metagonimus takahashii and Concinnum ten); and
one species of cestode (Taenia pisiformis). In total, nine different helminths were detected in
25 (78.1%) of 32 animals examined. The crysticerci T. taeniaeformis and T. crassiceps were
found in Rattus rattus and in Apodemus speciosus. The pleroceroide of Spirometra erinaceieuropaei was
detected for the first time in Urotrichus talpoides, heretofore never considered a host. No Echinococcus adults
or larvae, however, were detected in the animals examined.
―Key words :Central Japan, epidemiology, helminths, wild mammals.
† Correspondence to : |
Akihiko UCHIDA (Laboratory of Medical Zoology, College of Environmental Health, Azabu University)
1-17-71 Fuchinobe, Sagamihara 229-8501, Japan
TEL・FAX 042-769-1886
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-------------------- J. Jpn. Vet. Med. Assoc., 54, 635〜638 (2001) |