➨ 㸲 ❶            ᾘ໬⟶ᐤ⏕⹸ࡢᐤ⏕≧ἣせ Ⅼ࣭ රᗜ┴ୗ㸵ᕷ⏫࡛᭷ᐖᤕ⋓ࡲࡓࡣ஺㏻஦ᨾṚࡋࡓ࢔ࣛ࢖ࢢ࣐  㢌ࡢ⬚⭍࠾ࡼࡧ⭡⭍⮚ჾ࡟ࡘ࠸࡚ࠊ⽸⹸ࢆᑐ㇟࡜ࡋࡓᐤ⏕⹸᳨ᰝࢆ⾜ࡗࡓࠋ࣭ ᐤ⏕⹸ࡣᑠ⭠࠿ࡽࡢࡳ᳨ฟࡉࢀࠊఱࡽ࠿ࡢᐤ⏕⹸ࢆぢ࠸ࡔࡋࡓ࢔ࣛ࢖ࢢ࣐ࡣ  㢌㸦඲㢌ࡢ 㸣㸧࡛࠶ࡗࡓࠋࡲࡓࠊయ㔜 NJ ࡼࡾ኱ࡁࡃࠊ㣗㣵ࢆ㏻ࡋ࡚ឤᰁᶵ఍ࡢ࠶ࡿⓎ⫱ಶయ  㢌࡟㝈ࢀࡤࠊ㸣㸦 㢌㸧ࡢ᳨ฟ⋡࡛࠶ࡗࡓࠋ࣭ ᳨ฟࡋࡓᐤ⏕⹸ࡣ  ✀࡛࠶ࡗࡓࡀࠊࡑࡢ࡯࡜ࢇ࡝ࡣ᪻⹸㸫୧⏕㢮ࠊ∐⹸㢮ࢆ㣗㣵࡜ࡍࡿࡇ࡜୍࡛㐣ᛶ࡟᳨ฟࡉࢀࡿ⽸⹸࡛࠶ࡗࡓࠋࡍ࡞ࢃࡕࠊ㔝㫽ᐤ⏕ᛶࡢ㖋㢌⹸ᗂⱝ⹸  ✀ࠊ㔝㫽ᐤ⏕ᛶࡢ⺳⹸㢮ࡸ᪕ᑿ⥺⹸㢮ࡢᗂ⹸㸲✀ࡀ኱༙ࢆ༨ࡵࠊࢱࢾ࢟࡞࡝ᅾ᮶㔝⏕ື≀ᐤ⏕ᛶࡢ  ✀ࡢᅵተ፹௓⥺⹸࡞࡝ࡢᐤ⏕ࡀ⛥࡟☜ㄆࡉࢀࡓࠋ࣭ බ⾗⾨⏕ୖ࠾ࡼࡧᅾ᮶㔝⏕ື≀ࡢ᳇ᜥ⎔ቃಖㆤ࡟࠾࠸࡚኱ࡁ࡞ၥ㢟࡜࡞ࡿ࢔ࣛ࢖ࢢ࣐⺳⹸ࡣ᳨ฟࡉࢀ࡞࠿ࡗࡓࠋ࣭ 㔝⏕࢔ࣛ࢖ࢢ࣐ࡢᐤ⏕⹸᳨ᰝࡢᚲせᛶ࡟ࡘ࠸࡚≉࡟ㄽࡌࡓࠋ㸬ࡣࡌࡵ࡟ ໭⡿኱㝣ࢆཎ⏘ᆅ࡜ࡍࡿ࢔ࣛ࢖ࢢ࣐ Procyon lotor ࡀᅜෆྛᆅ࡛㔝⏕໬ࡋࠊ኱ࡁ࡞♫఍ၥ㢟࡜࡞ࡗ࡚࠸ࡿ>@ࠋࡇࡢእ᮶✀ࡢᅜෆ࡛ࡢಶయᩘቑຍࡸศᕸᣑ኱ࡣࠊ᪥ᮏิᓥࡢᆅ⌮Ꮫⓗᙧᡂྐࡢ୰࡛ᙧ࡙ࡃࡽࢀ࡚ࡁࡓᅛ᭷ࡢື≀⏕ែ⣔ࡢ◚ቯࢆᘬࡁ㉳ࡇࡍࡇ࡜ࡀᮏ㉁ⓗ࡞ၥ㢟࡛ࡣ࠶ࡿࡀࠊ⌧௦ࡢ⚾ࡓࡕࡢ᪥ᖖ⏕ά࡟୚࠼ࡿᙳ㡪ࡶ┳㐣࡛ࡁ࡞࠸ࠋ㎰ᒣᮧ㒊࡛ࡣ㎰స≀⿕ᐖ࡜ࡋ࡚኱ࡁ࡞ᦆኻࢆࡶࡓࡽࡋࠊᕷ⾤ᆅ࡛ࡣఫᒃ౵ධ➼ࡀ㢖⦾࡟㉳ࡇࡗ࡚࠸ࡿࠋ᭦࡟ࠊࡇࡢࡼ࠺࡞㌟㏆࡞ၥ㢟࡟Ṇࡲࡽࡎࠊ࢔ࣛ࢖ࢢ࣐ࡢቑຍࡣ⚾ࡓࡕࡢᮍ᮶࡟₯ᅾⓗ࡞⬣ጾࢆ୚࠼ࡘࡘ࠶ࡿ࠿ࡶࡋࢀ࡞࠸ࠋ࢔ࣛ࢖ࢢ࣐࡟ࡼࡿ┤᥋ⓗ࡞ື≀⏕ែ⣔࡬ࡢᙳ㡪࡟ࡘ࠸࡚ࡣࡇࡇ࡛ࡣㄽࡌ࡞࠸ࠋࡇࢀࡲ࡛ࡢ࡜ࡇࢁ࡛ࡣࠊᅜෆࡢ㔝⏕࢔ࣛ࢖ࢢ࣐ࡀཎᅉ࡜࡞ࡗࡓឤᰁ⑕ࡢὶ⾜ࡣ☜ㄆࡉࢀ࡚࠸࡞࠸ࡀࠊ࢟ࢶࢿ࣭ࢱࢾ࢟࡞࡝ᅾ᮶㔝⏕ື≀ࡢ㔛ᒣᯘ࡞࡝ࡢ᳃ᯘ࡜ࢥࣥࣃࢽ࢜ࣥື≀ࡢ㣫⫱ࡉࢀࡿᕷ⾤ᆅ࣭ఫᏯᆅࢆ⮬⏤࡟ ᮶ࡍࡿ࢔ࣛ࢖ࢢ࣐ࡣࠊ≉␗࡞⏕ែᏛⓗ఩⨨ࢆ༨ࡵࡿࡇ࡜࡛ࠊᚑ᮶ᅜෆ࡛ࡣヱᙜࡢ࡞࠿ࡗࡓឤᰁ⑕፹௓⪅࡜࡞ࡾᚓࡿྍ⬟ᛶࡀ࠶ࡿࠋ࢔ࣛ࢖ࢢ࣐ࡀ፹௓ࡍࡿឤᰁ⑕ࡀࠊᅾ᮶㔝⏕ື≀ࡸ⚾ࡓࡕ࠶ࡿ࠸ࡣࡑࡢ࿘㎶ື≀࡟኱ࡁ࡞ၥ㢟ࢆᘬࡁ㉳ࡇࡍྍ⬟ᛶࡣ⪃࠼࡚࠾ࡃ࡭ࡁʵɹɹʵࡇ࡜࡛࠶ࢁ࠺ࠋ ࢔ࣛ࢖ࢢ࣐ཎ⏘ᆅ࡛࠶ࡿ໭⡿኱㝣࡛ࡣࠊ࢔ࣛ࢖ࢢ࣐⺳⹸ᗂ⹸⛣⾜⑕ࡢᗂඣ⑕౛ࡢሗ࿌
ࡀ᭱㏆࡟࡞ࡗ࡚┦ḟ࠸࡛࠸ࡿ>@ࠋື≀ࡣࡑࢀࡒࢀ࡟ᅛ᭷ࡢ⺳⹸ࢆࡶࡕࠊ⚾ࡓࡕࡢ㣫⫱ࡍࡿ≟࡛ࡣ࢖ࢾ⺳⹸ 7R[RFDUDFDQLV ࡢᐤ⏕ࡀ࠶ࡿࡀࠊࡇࡢ⹸༸ࡣ⚾ࡓࡕࡢཱྀ࡟ධࡿ࡜ࠊ⫢⮚࡟⅖⑕ࢆᘬࡁ㉳ࡇࡋ࡚೏ᛰឤࡢཎᅉ࡜࡞ࡗࡓࡾࠊ║⌫࡟౵ධࡋ࡚どຊ㞀ᐖࢆᘬࡁ㉳ࡇࡍ>@ࠋࡇࡢ࢖ࢾ⺳⹸ࡀཎᅉ࡜࡞ࡿᗂ⹸⛣⾜⑕ࡣࠕࢺ࢟ࢯ࢝ࣛ⑕ࠖ࡜࿧ࡤࢀࠊබᅬ◁ሙࡢⅆ⅖ᾘẘ࡜࠸ࡗࡓၨⓎάືࢆ㏻ࡋ࡚ࠊ୍⯡࡟ࡶᗈࡃ▱ࡽࢀࡿࡼ࠺࡟࡞ࡗ࡚ࡁࡓࠋྠࡌࡼ࠺࡟ࠊ࢔ࣛ࢖ࢢ࣐࡟ࡣ࢔ࣛ࢖ࢢ࣐⺳⹸ Baylisascaris

procyonis ࡀឤᰁࡋ࡚࠸࡚ࠊேࢆྵࡵࡓከࡃࡢື≀㸦့ங㢮ࡸ㫽㢮࡞࡝ࠊࡇࢀࡲ࡛࡟☜ㄆࡉࢀࡓࡔࡅ࡛  ✀௨ୖ㸧࡟ᗂ⹸⛣⾜⑕ࢆᘬࡁ㉳ࡇࡍ>@ࠋణࡋࠊ࢔ࣛ࢖ࢢ࣐⺳⹸ᗂ⹸⛣⾜⑕࡛ࡣࠊ⬻ࡸ║⌫࡟ᗂ⹸ࡀ౵ධࡋࡸࡍࡃࠊ⃭ࡋ࠸⚄⤒⑕≧ࡀᘬࡁ㉳ࡇࡉࢀࡿࠋ⫢⮚࡜㐪࠸ࠊ⬻ࡣ୍ᗘ◚ቯࡉࢀࡿ࡜ಟ᚟ࡉࢀࡎࠊ἞⒪⸆ࢆᢞ୚ࡋ࡚ࡶ኱ࡁ࡞ᚋ㑇⑕ࡀṧ
ࡿ>@ࠋᅜෆ࡟㍺ධࡉࢀ࡚ࡁࡓ࢔ࣛ࢖ࢢ࣐࡟ࡘ࠸࡚  ᖺ௦ึ㢌࡟ㄪ࡭ࡓሗ࿌࡛ࡣࠊ୍⯡ᐙᗞ࡟࣌ࢵࢺ࡜ࡋ࡚ධࡗࡓಶయࡢ 㸣ࡀࡇࡢ༴㝤࡞⺳⹸ࢆࡶࡗ࡚࠸ࡓ࡜ࡉࢀ࡚࠸ࡿ>@ࠋື≀ᒎ♧᪋タ࠿ࡽࡢ⬺㉮ಶయࡸ࣌ࢵࢺ࡜ࡋ࡚㣫⫱ࡉࢀ࡚࠸ࡓಶయࡀ㉳※࡜࡞ࡗࡓ㔝⏕໬࢔ࣛ࢖ࢢ࣐࡛࠶ࡿࡀࠊࡇࢀࡲ࡛࡟⾜ࢃࢀࡓ໭ᾏ㐨ࠊ⚄ዉᕝࠊឡ▱ࠊ࿴ḷᒣྛ┴ࡢ㔝እㄪᰝ࡛ࡣࠊ࢔ࣛ࢖ࢢ࣐⺳⹸ࡀ᳨ฟࡉࢀࡓࡇ࡜ࡣ࡞࠸>@ࠋࡋ࠿ࡋ࡞ࡀࡽࠊ
ᅜෆື≀ᅬࡢ࢘ࢧࢠࢥࣟࢽ࣮ࡸࢧࣝࢥࣟࢽ࣮࡛ᮏ⺳⹸࡟ཎᅉࡍࡿᗂ⹸⛣⾜⑕ࡀ᭱㏆ሗ࿌ࡉࢀ࡚࠾ࡾ>@ࠊ㔝⏕໬࢔ࣛ࢖ࢢ࣐࡛ࡶ㆙ᡄࡀᚲせ࡛࠶ࡿࠋࡇࢀࡲ࡛ࡢ㔝እㄪᰝࡔࡅ࡛ࡣᏳᚰ࡛ࡁ࡞࠸⌮⏤࡟ࡘ࠸࡚ࡣᚋ㏙ࡍࡿࡀࠊᅜෆྛᆅ࡛⾜ࢃࢀ࡚࠸ࡿ࢔ࣛ࢖ࢢ࣐ᤕ⋓஦ᴗ࡟࠾࠸࡚ࡣࠊࡑࢀࡒࢀࡢᆅᇦ༢఩࡛ᙜศࡢ㛫⥅⥆ࡋࡓㄪᰝࡀ⾜ࢃࢀࡿࡇ࡜ࡀᮃࡲࡋࡃࠊࡇࡢࡇ࡜ࡀࠊ඲ᅜྛᆅ࡛㔝⏕໬ࡍࡿ࢔ࣛ࢖ࢢ࣐࡟ࡇࡢ༴㝤࡞⺳⹸ࢆᣑᩓࡉࡏ࡞࠸ດຊ࡜࡞ࡿࠋእ᮶✀࢔ࣛ࢖ࢢ࣐ࢆᅜෆ࡟ᐃ╔ࡉࡏ࡚ࡋࡲࡗࡓ⚾ࡓࡕࡢୡ௦ࡢ㈐௵࡜ࡋ࡚ࠊࡏࡵ࡚ࠊᗂඣ࡟㔜⠜࡞⬻⅖ࢆᘬࡁ㉳ࡇࡍឤᰁ⑕ࡢᅜෆᐃ╔ࡔࡅࡣ㑊ࡅࡓ࠸࡜ࡇࢁ࡛࠶ࡿࠋࡲࡓࠊ⺳⹸ࡀᐃ╔ࡋࡓሙྜ࡟ࡣᅾ᮶㔝⏕ᑠື≀ࡀཷࡅࡿᡴᧁࡶ኱ࡁ࠸ࠋࡇࡢឤᰁ⑕ᐃ╔ࡣࡇࡇᩘᖺࡢ඲ᅜⓗດຊ࡛㜵ࡆࡿࡼ࠺࡟ᛮࢃࢀࡿ>@ࠋ௨ୖࡢ⫼ᬒࡢୗࠊරᗜ┴ୗ  ᕷ⏫࡛ᤕ⋓ࡉࢀࡓ࢔ࣛ࢖ࢢ࣐  㢌࡟ࡘ࠸࡚ᾘ໬⟶ᐤ⏕⹸ࡢㄪᰝࢆᐇ᪋ࡋࡓࠋ㸬ᮦᩱ࡜᪉ἲ ᐤ⏕⹸᳨ᰝ࡟౪ヨࡋࡓ࢔ࣛ࢖ࢢ࣐ࡣࠊ⚄ᡞᕷ໭༊㸦 㢌㸧ࠊ⚄ᡞᕷℿ༊㸦 㢌㸧ࠊ୕ᮌᕷྜྷᕝ⏫㸦 㢌㸧ࠊ୕⏣ᕷ㸦 㢌㸧ࠊ⠛ᒣᕷ㸦 㢌㸧ࠊすᐑᕷ㸦 㢌㸧ࠊຍྂᕝᕷ㸦 㢌㸧ࠊᕷᕝ⏫㸦 㢌㸧࡛᭷ᐖᤕ⋓ࡉࢀࡓィ  㢌࡛࠶ࡿࠋ 㢌ࡢ஺㏻஦ᨾṚಶయࢆྵࡴࡀࠊࡑʵɹɹʵࡢ௚ࡣ⟽࣡ࢼ࡟࡚ᤕ⋓ࡋࡓࡢࡕࠊே㐨ⓗ᪉ἲ࡟࡚ᏳᴦṚࡉࢀࡓࡶࡢ࡛࠶ࡿࠋ௒ᅇࡢ᳨ᰝ࡟౪ࡋࡓ࢔ࣛ࢖ࢢ࣐ࡢᤕ⋓᭶ࠊయ㔜ࠊᛶูࡢᮦᩱ≧ἣࢆ⾲㸯࡟♧ࡋࡓࠋᮦᩱࡢከࡃࡀ  ᭶㸦 㢌㸧࡜  ᭶㸦 㢌㸧࡟཰㞟ࡉࢀࠊ᳨ᰝࡋࡓ࢔ࣛ࢖ࢢ࣐ࡢᤕ⋓᭶࡟ࡣ኱ࡁ࡞೫ࡾࡀ࠶ࡗࡓࠋࡲࡓࠊయ㔜 NJ ࡢ⏕ᚋ㛫ࡶ࡞࠸ಶయࡀ  㢌ྵࡲࢀ࡚࠸ࡿࡀࠊࡑࡢ࠺ࡕࡢ  㢌ࡣ༢⊂࠶ࡿ࠸ࡣ 㹼 㢌༢఩࡛ᤕ⋓ࡉࢀࡓࡶࡢ࡛࠶ࡗࡓࠋ⾲㸯㸬ᐤ⏕⹸᳨ᰝ౪ヨ࢔ࣛ࢖ࢢ࣐ࡢᤕ⋓≧ἣᴫせ㸦ᤕ⋓᭶ࠊయ㔜ࠊᛶู㸧య㔜ᛶู᭶ᑠィ㻝㻞㻟㻠㻡㻢㻣㻤㻥㻝㻜 㻝㻝 㻝㻞䍸㻞㼗㼓䗠䗢㻜㻜㻜㻜㻜㻜㻜㻜㻝㻜㻞㻞㻟㻟㻝㻜㻜㻜㻜㻜㻜㻜㻜㻜㻜㻜㻝㻠㻞㻡㻞㻨㻌㻙㻌䍸㻠㼗㼓䗠䗢㻜㻜㻜㻜㻜㻜㻞㻜㻝㻝㻜㻞㻜㻜㻜㻜㻜㻜㻝㻝㻝㻜㻜㻜㻡㻠㻠㻨㻌㻙㻌䍸㻢㼗㼓䗠䗢㻜㻝㻜㻜㻟㻝㻝㻜 㻝㻠㻤 㻝㻜㻟㻜㻜㻜㻜㻜㻜㻜㻝㻝㻝㻜㻝㻜㻟㻟㻞㻝㻢㼗㼓㻨䗠䗢㻜㻜㻞㻞㻟㻠㻞㻡㻝㻜㻝㻠㻝㻝㻜㻜㻜㻜㻜㻜㻜㻜㻜㻝㻜㻝㻝㻤㻞㻤グ㘓䛺䛧䗠䗢㻜㻜㻜㻜㻜㻞㻝㻝㻜㻞㻝㻜㻜㻜㻜㻜㻜㻜㻜㻜㻝㻜㻜㻜㻟㻡㻝㻠㻝㻟 㻞㻥 㻤㻠 㻝㻠㻝㻜㻜㻠㻠㻞㻝㻡㻢᭶ูᑠィᐤ⏕⹸᳨ᰝ࡛ࡣࠊゎ෾ᚋࡢ⮚ჾ࡟ࡘ࠸࡚⫗║ⓗ࡞᳨ᰝࢆ⾜࠸ࠊศ㞳ࡋࡓᾘ໬⟶ࡣỈ㐨Ỉࢆධࢀࡓᐜჾࡢ୰࡛⦪᪉ྥ࡟㛤ࡁࠊࢢ࣮ࣟࣈࢆࡣࡵࡓᡭ࡛୎ᑀ࡟⢓⭷㠃ࢆ᧿㐣ࡋࡓࠋୖΎࡀΎ⃈࡟࡞ࡿࡲ࡛Ỉ㐨Ỉࢆ⏝࠸ࡓ⡆᫆ỿ⃦ࢆ⧞ࡾ㏉ࡋࠊ୰ᆺࢩ࣮ࣕࣞ࡟ỿ⃦≀ࢆྲྀࡾࠊᐇయ㢧ᚤ㙾ୗ࡛ᐤ⏕⹸ࡢ᳨ฟࢆ⾜ࡗࡓࠋᅇ཰ࡋࡓᐤ⏕⹸ࡣࠊࡑࡢᚋࠊᚲせ࡟ᛂࡌගᏛ㢧ᚤ㙾ୗ࡛ほᐹࢆ⾜࠺࡜࡜ࡶ࡟ࠊィࡀᚲせ࡞ሙྜ࡟ࡣ┤᥋࡟᥋║࣓࣮ࢱ࣮ࢆ⏝࠸࡚ࠊ࠶ࡿ࠸ࡣࠊᥥ෗⿦⨨࡟࡚ᅗᘧ໬ࡋࠊࡑࡢ⣬ୖ࡛ィࢆ⾜ࡗࡓࠋ௨ୖࡢࡼ࠺࡟ࠊ௒ᅇࡢ᳨ᰝ࡛ࡣᐤ⏕⽸⹸᳨ฟ࡟୺║ࢆ࠾ࡁࠊᐤ⏕ཎ⹸࡟ࡘ࠸࡚ࡣ௒ᚋࡢ᳨ウㄢ㢟࡜ࡋࡓࠋ㸬⤖ᯝᐤ⏕⹸᳨ᰝࡣࠊ⫵ࡸᚰ⮚࡞࡝⬚㒊ㅖ⮚ჾࠊ⫢⮚ࡸ⮅⮚ࠊ⭈⮚࡟ࡘ࠸࡚ࡶᐇ᪋ࡋࡓࡀࠊᐤ⏕⹸ࡢ᳨ฟࡣᑠ⭠࡟㝈ࡽࢀࡓࠋ⫶࠿ࡽࡶᐤ⏕⹸ࡢ᳨ฟࡣ࡞࠿ࡗࡓࠋయ㔜ࢡࣛࢫูࡢᐤ⏕⹸᳨ฟ≧ἣࢆ⾲㸰࡟♧ࡋࡓࠋయ㔜 NJ ௨ୗࡢᗂ⋇  㢌ࡶㄪ࡭࡚࠸ࡿࡀࠊ 㢌ࡢ⭠⟶ʵɹɹʵ࠿ࡽࡢࡳᐤ⏕⹸ࡀᅇ཰ࡉࢀࡓࠋࡇࡢࡇ࡜ࢆ⪃៖ࡋ࡚ࠊయ㔜 NJ ௨ୗࡢᗂ⋇  㢌࠾ࡼࡧయ㔜グ㘓ࡢ࡞࠸  㢌ࢆ㝖እࡋࡓ  㢌࡟ࡘ࠸࡚ᐤ⏕⹸᳨ฟ⋡ࢆィ⟬ࡍࡿ࡜ࠊ㞤 㸣㸦 㢌୰  㢌㸧ࠊ㞝 㸣㸦 㢌୰  㢌㸧࡛࠶ࡗࡓࠋࡇࡢ  㢌ࡢᤕ⋓ᆅูࡢᐤ⏕⹸᳨ฟ⋡ࡣࠊ⚄ᡞᕷࡀ 㸣㸦 㢌୰  㢌㸧ࠊ୕ᮌᕷࡀ 㸣㸦 㢌୰  㢌㸧ࠊ⠛ᒣᕷࡀ 㸣㸦 㢌୰  㢌㸧ࠊࡑࡢ௚ࡀ 㸣㸦 㢌୰  㢌㸧࡛࠶ࡗࡓࠋ
㸯ಶయ࠶ࡓࡾ࠿ࡽ᳨ฟࡉࢀࡓᐤ⏕⹸ࡢ✀ᩘ࡛࠶ࡿࡀࠊ ✀㸦 㢌㸧ࠊ ✀㸦 㢌㸧ࠊ ✀㸦 㢌㸧ࠊ ✀㸦 㢌㸧࡛࠶ࡾࠊ༢୍✀ࡢ᳨ฟࡀᐤ⏕⹸㝧ᛶಶయࡢ࠺ࡕࡢ 㸣ࢆ༨ࡵࡓࠋࡲࡓࠊ」ᩘ✀ࡢ᳨ฟࡀ࠶ࡗࡓ  㢌୰  㢌ࡀ㖋㢌⹸✀ࡔࡅࡢ⤌ࡳྜࢃࡏ᳨ฟ࡛࠶ࡾࠊ௚ࡢ  㢌ࡀ㖋㢌⹸✀࡜⥺⹸✀ࡢ⤌ࡳྜࢃࡏࠊṧࡾࡢ㸯㢌ࡀ⥺⹸✀࡜྾⹸✀ࡢ⤌ࡳྜࢃࡏ࡛࠶ࡗࡓࠋ⾲  ࡟ࡑࢀࡒࢀࡢᐤ⏕⹸✀ࡢ᳨ฟ≧ἣ࡟ࡘ࠸࡚ࡣ♧ࡋ࡚࠸ࡿࡀࠊ௨ୗ࡟ࡑࢀࡒࢀ࡟ࡘ࠸࡚ㄝ᫂ࢆຍ࠼ࡿࠋ⾲ 㸬㔝⏕࢔ࣛ࢖ࢢ࣐ࡢయ㔜ࢡࣛࢫ࣭ᛶูࡢᐤ⏕⹸᳨ฟ≧ἣNJNJ NJNJグ㘓࡞ࡋィNJィܴܴܴܴܴܲܲܲܲܲܲ㸭ܴܴܲܲ㸭᳨ܴᰝಶయᩘᐤ⏕⹸᳨ฟಶయᩘ᳨ฟ⋡㖋㢌⹸














6SKDHULURVWULVWHUHV

3RUURUFKLVRWL

3RUURUFKLV VS

3ODJLRUK\QFKXVRJDWDL
&HQWURUK\QFKXVED]DOHQWLFXV

6RXWKZHOLQDKLVSLGD

6WURQJ\ORLGHVUDWWL  "

0ROLQHXVOHJHUDH

$RQFKRWKHFDSXWRULL

$FXDULRLGQHPDWRGHODUYDH

&RQWUDFDHFXP VSODUYD

3RUURFDHFXP VSODUYD8QLGHQWLILHGVSLUXULGODUYD

0HWDJRQLPXVWDNDKDVKLL

8QLGHQWLILHGWLQ\WUHPDWRGH






⥺⹸

྾⹸

ʵɹɹʵ


Acanthocephalacystacantha

Sphaerirostris teres (=S. lanceoides sensus Sato & Suzuki, 2006)
Porrorchis oti(A) Sphaerirostris teres; (B &F) Porrorchis oti; (C) Plagiorhynchus ogatai; (D, G & H) Centrorhynchus , bazalenticus; (E &I) Southwelina hispida; (J) Porrorchis sp.

ʵɹɹʵ


Strongyloides sp.

S. stercoralis /S. procyonis
S. ratti

Strongyloides sp.

Molineus legerae

ʵɹɹʵ


Molineus legerae

Molineus legerae

Aoonchotheca putorii

Acuarioid nematode larvaeteres

S. hispida

Contracaecum sp.
S. teres

Acuarioid nematoode

ʵɹɹʵ


Acuaria

Cheilospirura

Contracaecum
m sp. larvae

ʵɹɹʵ


Porrocaecum sp. larva
a6

Porrocaecum spAB

Spirurid larva

Metagonimus taakahashii

Metagonimusʵɹɹʵ

CP. ogatai
P. hispida

S. teresP. otiC. bazaleticusʵɹɹʵඹ᭷ࡉࢀࡿᅵተ፹௓ᛶᐤ⏕⹸ࡢឤᰁ⋡ࡣࡁࢃࡵ࡚ప࠸>@ࠋࡇࡢࢢ࣮ࣝࣉ࡟ࡣ M.

legerae ࡸ A. putorii ࡀヱᙜࡍࡿࡀࠊࡑࢀࡒࢀ  㢌࠾ࡼࡧ  㢌࠿ࡽ᳨ฟࡉࢀࡓ࡟㐣ࡂࡎࠊࡲࡓࠊ᳨ฟᩘࡣ࠸ࡎࢀࡢಶయ࠿ࡽࡶ  㞘࡛࠶ࡗࡓࠋࢻࢪࣙ࢘ࡸࡑࡢ௚ࡢῐỈ㨶ࢆࡑࢀࡒࢀ୰㛫ᐟ୺࡜ࡋ࡚⤒ཱྀឤᰁࡍࡿᲲཱྀ྾⹸㢮ࡸ㧗ᶫ྾⹸ࡀ࿴ḷᒣ┴ࡢ㔝⏕࢔ࣛ࢖ࢢ࣐࡛ࡣ㢖⦾࡟᳨ฟࡉࢀࡓࡀࠊ௒ᅇࡣ㸰㢌࠿ࡽࡈࡃᑡᩘࡢ㧗ᶫ྾⹸ࡀᅇ཰ࡉࢀࡓࡢࡳ࡛࠶ࡗࡓࠋ࢔ࣛ࢖ࢢ࣐᳇ᜥ⎔ቃࡢᆅໃᏛⓗ࡞㐪࠸ࢆ཯ᫎࡋࠊ௒ᅇㄪ࡭ࡓᆅᇦ࡛ࡣᕝ㨶ࢆ㣗࡭ࡿᶵ఍ࡀࡁࢃࡵ࡚㝈ࡽࢀࡿࡇ࡜࡟ࡼࡿࡢ࡛࠶ࢁ࠺ࠋ
࿴ḷᒣ┴ୗ࡟ศᕸࡍࡿ㔝⏕໬࢔ࣛ࢖ࢢ࣐࡛ࡣࠊᚑ᮶ᅜෆ࡛ࡣᮍ☜ㄆ࡛࠶ࡗࡓ⫶⹸

Physaloptera sp.ࡸ࢔ࣛ࢖ࢢ࣐⣅⥺⹸ Strongyloides procyonis ࡀ㧗⋡࡟᳨ฟࡉࢀ࡚࠸ࡿ ࡑࢀࡒࢀ ࡜ ᳨࡛ฟ >@ࠋ௒ᅇ཰㞟ࡋࡓ࢔ࣛ࢖ࢢ࣐࠿ࡽ⫶⹸ࡣ᳨ฟࡉࢀ࡞࠿ࡗࡓࡀࠊ࿴ḷᒣ┴ୗ࡟࠾࠸࡚ࡶ⫶⹸ࡀ᳨ฟࡉࢀࡿಶయࡢᤕ⋓ᆅⅬ࡟ࡣ೫ࡾࡀ࠶ࡾࠊරᗜ┴ୗ࡛ࡲࡗࡓࡃ᳨ฟࡉࢀ࡞࠸ࡇ࡜࡜▩┪ࡣ࡞࠸ࠋࡲࡓࠊࢥ࢜ࣟࢠ࡞࡝ࡀ୰㛫ᐟ୺࡜ࡋ࡚㔜せ࡛࠶ࡿࡇ࡜࠿ࡽࠊ᳨ᰝࡢࡓࡵࡢ࢔ࣛ࢖ࢢ࣐཰㞟࡟࠾࠸࡚௒ᅇࡣᏘ⠇ⓗ࡞೫ࡾࡀ࠶ࡗࡓࡇ࡜ࡶ⪃៖ࡉࢀࡿ࡭ࡁ࠿ࡶࡋࢀ࡞࠸ࠋ࢔ࣛ࢖ࢢ࣐⣅⥺⹸࡟㢮ఝࡋࡓᐤ⏕⹸ࡀࠊ୕ᮌᕷ࡛ᤕ⋓ࡉࢀࡓ  㢌ࡢᗂ⋇ࡢ࠺ࡕࡢ㸯㢌࠿ࡽ㸯㞘᳨ฟࡉࢀࡓࠋ㸯㞘ࡢᐤ⏕ᮇ㞤⹸ࡢ᳨ฟ࡛࠶ࡾ☜ᐃデ᩿ࡣ㞴ࡋ࠸ࡀࠊ⹸య㛗࡟ᑐࡍࡿ㣗㐨㛗ẚࡀ⣙ 㸣࡜኱ࡁ࠸Ⅼࡣ S.

ratti ࡟㏆ࡃࠊࡲࡓࠊྠ᫬࡟཰㞟ࡉࢀࡓྠ⭡௘  㢌࡟ឤᰁࡀࡲࡗࡓࡃ☜ㄆ࡛ࡁ࡞࠿ࡗࡓࡇ࡜࠿ࡽࡶࠊ௚✀ື≀ࢆᅛ᭷ᐟ୺࡜ࡍࡿ✀ࡢഅⓎឤᰁ࡛࠶ࡗࡓྍ⬟ᛶࡀ㧗࠸ࠋBOX1  㔝⏕࢔ࣛ࢖ࢢ࣐࡟࠾ࡅࡿ࢔ࣛ࢖ࢢ࣐⺳⹸⑕ࡢ༴㝤࢔ࣛ࢖ࢢ࣐ࢆᅛ᭷ᐟ୺࡜ࡍࡿ࢔ࣛ࢖ࢢ࣐⺳⹸ࡣࠊ㠀ᅛ᭷ᐟ୺࡟ឤᰁࡍࡿ࡜ᡂ⹸࡟ࡣ࡞ࢀ࡞࠸ࡀࠊᗂ⹸࡜ࡋ࡚యෆࢆᙸ᚞ࡋ࡚⑓Ẽࢆᘬࡁ㉳ࡇࡍ>@㸦ᅗ  ཧ↷㸧ࠋ࢔ࣛ࢖ࢢ࣐⺳⹸ࡢᗂ⹸ࡣ࢖ࢾ⺳⹸࡟ẚ࡭࡚ࢧ࢖ࢬࡀ኱ࡁࡃ㸦๓⪅ࡢయᖜࡣ⣙ PPࠊᚋ⪅࡛ࡣ⣙ PP㸧ࠊ⤌⧊◚ቯࡀ⃭ࡋࡃ㉳ࡇࡿࠋ࢔ࣛ࢖ࢢ࣐⺳⹸࡛ࡣ⬻ࡸ║⌫࡟౵ධࡋࡸࡍࡃࠊ⬻㌾໬㸫⬻⅖ࡸ⥙⬦⤡⭷⅖ࡢ⤖ᯝ࡜ࡋ࡚ࡢ∦ഃ㯞⑷ࡸ㐠ື㞀ᐖ࡞࡝ࡢ⚄⤒⑕≧ࠊどຊ㞀ᐖࡸኻ᫂ࢆᘬࡁ㉳ࡇࡍࡇ࡜࡟࡞ࡿ㸦ᅗ  ཧ↷㸧ࠋ࢔ࣛ࢖ࢢ࣐ࡢᮏ᮶ࡢ⏕ᜥᆅ࡛࠶ࡿ໭⡿኱㝣࡛ࡣࠊᗂඣࡢ⬻⅖ࠊᡂேࡢኻ᫂ཎᅉ࡜ࡋ࡚ࡢ࢔ࣛ࢖ࢢ࣐⺳⹸ᗂ⹸⛣⾜⑕࡟᭱㏆኱ࡁ࡞බ⾗⾨⏕Ꮫⓗ࡞㛵ᚰࡀ㞟ࡲࡗ࡚࠸ࡿ>@ࠋࡑࡢ⌮⏤ࡢ㸯ࡘࡣࠊ⑕≧ࡀ῝้࡛࠶ࡾࠊ⮬ぬ⑕≧ࡀฟࡓẁ㝵࡛ࡣ἞⒪࡟ࡼࡿ⑓ែࡢᨵၿࡀᮃࡵ࡞࠸࠿ࡽ࡛࠶ࡿࠋ㹼 ṓࡢᗂඣࡣ⏕⌮ⓗ࡟ఱ࡛ࡶ┠࡟ࡋࡓࡶࡢࢆཱྀ࡟㐠ࡪࡇ࡜࠿ࡽࠊ࢔ࣛ࢖ࢢ࣐ࡢ⣅౽ሢ࡛ࡶཱྀ࡟ࡋ࡚ឤᰁࡍࡿࡢ࡛࠶ࡿࡀࠊឤᰁᚋࡣ኱ࡁ࡞ᚋ㑇⑕ࢆᢪ࠼ࡓ⏕άࢆవ൤࡞ࡃࡉࢀࠊࡲࡓࠊ⮴࿨ⓗ࡞ឤᰁ࡜࡞ࡗ࡚ࡋࡲ࠺ࡇ࡜ࡶ࠶ࡿࠋ἞⒪ἲࡢ࡞࠸⑓Ẽ࡟ᑐࡋ࡚ࡣࠊண㜵ࡇࡑࡀࡍ࡭࡚࡛࠶ࡿࠋ ʵɹɹʵ

8ʵɹɹʵʵɹɹʵʵɹɹʵᘬ⏝ᩥ⊩1.

ὸᕝ‶ᙪ࣭ⓗሙὒᖹ࣭ᒣ⏣኱㍜࣭⚄ᒣᜏኵ(2000) ໭ᾏ㐨㔝ᖠ᳃ᯘබᅬࢆ୰ᚰ࡟⏕ᜥࡍࡿ⛣ධ✀࢔ࣛ࢖ࢢ࣐ࡢᐤ⏕⽸⹸㢮࡯࠿⑓ཎ⏕≀࡜ࡑࡢఏ᧛࡟㛵ࢃࡿ㣗ᛶ—ࡑࡢㄪᰝࡢ㐍ᤖ≧ἣ࡜௒ᚋࡢ᪉ྥᛶ. 㓗㎰኱⣖せ㸦⮬↛㸧25: 1-8.

2.

⚟ᮏ᐀Ⴙ (2001) ࣌ࢵࢺ࠿ࡽ࠺ࡘࡿ⑓Ẽ࢖ࢾ࣭ࢿࢥ⺳⹸⑕. ࠿ࡽࡔࡢ⛉Ꮫ 242:53-56.

3.

Furuoka, H., Sato, H., Kubo, M., Owaki, S., Kobayashi, Y., Matsui, T. & Kamiya,
H. (2003) Neuropathological observation of rabbits (Oryctolagus cuniculus)
affected with raccoon roundworm (Baylisascaris procyonis) larva migrans inJapan. J. Vet. Med. Sci. 65:: 695-699.

4.

Gavin, P. J., Kazacos, K. K. & Shulman, S. T. (2005) Baylisascariasis.
Microbiol. Rev. 18:: 703-718.

5.

ụ⏣㏱ (1999) ໭ᾏ㐨࡟࠾ࡅࡿ⛣ධ࢔ࣛ࢖ࢢ࣐ၥ㢟ࡢ⤒㐣࡜ㄢ㢟. ໭኱ᩥᏛ㒊⣖せClin.

47: 149-175.
6.

▼⊁ᨭᗇ࢔ࣛ࢖ࢢ࣐⿕ᐖ᳨ウ༠㆟఍. (1999) ࢔ࣛ࢖ࢢ࣐࡟ࡼࡿ㎰ᴗ➼⿕ᐖ㜵Ṇࡢᡭᘬࡁ. ໭ᾏ㐨▼⊁ᨭᗇ.

7.

Kazacos, K. R. (1997) Visceral, ocular, and neural larva migrans. In Pathologyof infectious diseases, Vol. II, D. H. Connor, F. W. Chandler, D. A. Schwartz, H. J.
Manz, and E. E. Lack eds. pp. 1459-1473.Appleton, Stamford, Conneticut,

8.

Kazacos, K. R. (2001) Baylisascaris procyonis and related species. In:
Parasitic Diseases of Wild Mammals, 2nd ed., W. M. Samuel, M. J. Pybus & A. A.
Kocan (eds.), Iowa State University Press, Ames, Iowa, p. 301-341.

9.

Kazacos, K. R., Gavin, P. J., Shulman, S. T., Tan, T. Q., Gerber, S. I., Kennedy, W.
A., Murray, W. J. & Mascola, L. (2002) Raccoon roundworm encephalitis:
Chicago, Illinois, and Los Angeles, California, 2000. MMWR™ 50: 1153-1155.

10. ᕝ୰ṇ᠇ࠊᆏᮏிᏊࠊᮡᒣ ᗈࠊ᳃ᔱᗣஅ (2002) ື≀ᅬࠊほග᪋タ࡛ࡢ࢔ࣛ࢖ࢢ
࣐ᅇ⹸༸ởᰁၥ㢟. ⑓ཎᚤ⏕≀᳨ฟ᝟ሗ 23: 203.
[http://idsc.nih.go.jp/iasr/23/270/kj2705.html ࡛㜀ぴྍ⬟].
11. ㏆⸨ຊ⋤⮳ࠊ㉥ᑿಙ᫂ࠊ኱ᒣ༟᫛ࠊᒸἑᏕ㞝.(1994) ࢺ࢟ࢯ࢝ࣛ⑕࢖ࢾ⺳⹸⑕࡟ࡘ࠸࡚. ᑠඣ⛉ 35: 147-158.

ʵɹɹʵ

12. Küchle, M., Knorr, H. L. J., Medenblik-Frysch, S., Weber, A. & Bauer, C. (1993)
Diffuse unilateral subacute neuroretinitis syndrome in a German most likely
caused by the raccoon rounworm, Baylisascaris procyonis. Graefe's Arch. Clin.
Exp. Ophthalmol. 231:: 48-51.
13. ᐑୗ ᐇ (1993) ࢔ࣛ࢖ࢢ࣐⺳⹸ Baylisascaris procyonis ࡢᗂ⹸⛣⾜⑕࡟㛵ࡍࡿ◊✲. ⏕ά⾨⏕ 37:: 137-151.
14. Murray, W. J. & Kazacos, K. K. (2004) Raccoon roundworm encephalitis.
Inf. Dis. 39:: 1484-1492.

Clin.

15. Petrochenko, V. I. (1958) Acanthocephala of Domestic and Wild Animals, vol. II(Skrjabin, K. I. ed.), Izdatel'stvo Akademii Nauk SSSR, Moskow. (Translatedfrom Russian by Lavoott, R., edited by Epstein, E., Israel Program for ScientificTranslation, Jerusalem, 1971).
16. బ⸨ ᏹ (2005) ே⋇ඹ㏻ឤᰁ⑕࡜ࡋ࡚ࡢᅇ⹸⑕࢔ࣛ࢖ࢢ࣐ᅇ⹸⑕ࢆ୰ᚰ࡟.
ࣔࢲ࣓ࣥࢹ࢕࢔ 51:: 177-186.
17. బ⸨ ᏹ (2006) ࢔ࣛ࢖ࢢ࣐⺳⹸⑕.

⋇་␆⏘᪂ሗ 59: 653-658.

18. Sato, H. & Suzuki, K. (2006) Gastrointestinal helminthes of fearal raccoons(Procyon lotor) in Wakayama Pref., Japan. J. Vet. Med. Sci. 68: 311-318.
19. Sato, H., Furuoka, H. & Kamiya, H. (2002) First outbreak of Baylisascaris
procyonis larva migrans in rabbits in Japan. Parasitol. Int. 51: 105-108.
20. Sato, H., Kamiya, H. & Furuoka H. (2003) Epidemiological aspects of the firstoutbreak of Baylisascaris procyonis larva migrans in rabbits in Japan. J. Vet.
Med. Sci. 65: 453-457.
21. Sato, H., Suzuki, K., Osanai, A., Kamiya, H. & Furuoka, H. (2005)
Identification and characterization of the threadworm, Strongyloides procyonis,
from feral raccoons (Procyon lotor) in Japan. J. Parasitol. 92: 63-68.
22. Sato, H., Suzuki, K., Uni, S. and Kamiya, H. 㸦2005㸧 Recovery of the everted
cystacanth of seven acanthocephalan species of birds from feral raccoons(Procyon lotor) in Japan. J. Vet. Med. Sci. 67: 1203-1206.
23. Sato, H., Une, Y., Kawakami, S., Saito, E., Kamiya, H. & Furuoka, H. (2005)
Fatal Baylisascaris larva migrans in a colony of Japanese macaques kept by aʵɹɹʵ
safari-style zoo in Japan.

J. Parasitol. 91: 716-719.

24. ⏣㎶㫽⋇ᑐ⟇༠㆟఍ (2005) ⏣㎶ᕷ࡟࠾ࡅࡿ࢔ࣛ࢖ࢢ࣐ㄪᰝሗ࿌᭩. ࿴ḷᒣ┴⏣㎶
ᕷ㎰ᯘㄢෆ⏣㎶㫽⋇ᑐ⟇༠㆟఍.
25. Wise, M. E., Sorvillo, F. J., Shafir, S. C., Ash, L. R. & Berlin, O. G. (2005)
Severe and fatal central nervous system disease in humans caused by
Baylisascaris procyonis, the common roundworm of raccoons: a review ofcurrent literature. Microbes Inf. 7: 317-323.
26. Yamada, D., Oku, Y., Nonaka, N., Asakawa, M., Ikeda, T., Asano, M., Akamatsu,R., Matoba, Y. & Kamiya, M. (2000) Studies on the parasite fauna of raccoon(Procyon lotor) naturalized in Hokkaido, Japan. Parasitol. Int. 49 (Suppl.):: 91.
27. Yamaguti, S. (1963) Systema Helminthum, vol. V. Acanthocephala, Interscience
Publishers, New York.

ʵɹɹʵ