Neospora caninum Infection in a Free-Ranging Raccoon (Procyon lotor) with Concurrent Canine Distemper Virus Infection

K. Y. Lembergera L. F P. Gondimb A. P. Pessiera M. M. McAllistera and M. J. Kinsela

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Neospora caninum Infection in a Free-Ranging Raccoon (Procyon lotor) with Concurrent Canine Distemper Virus Infection

机译：犬瘟热病毒同时感染的自由散养浣熊（新羚）中的新孢子虫感染

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During a canine distemper virus (CDV) outbreak in raccoons (Procyon lotor) from Cook County, Illinois, a juvenile female suffering from seizures was killed and necropsied. Gross and histologic findings of necrotizing encephalitis and proliferative bronchopneumonia were attributed to CDV infection and considered the cause of clinical signs. A section of cerebellum stained immunohistochemically for Neospora caninum revealed an approximately 40 μm diameter, round to oval cyst with a 2- to 3-μm-thick wall and filled with 1–2 μm diameter, round to oval bradyzoites. Polymerase chain reaction (PCR) results were positive for N. caninum using DNA extracted from the brain. Specific PCR for the closely related organisms Toxoplasma gondii and Hammondia heydorni yielded negative results. This case report provides histologic, immunohistochemical, and molecular evidence that raccoons are a naturally occurring intermediate host of N. caninum.

机译：在伊利诺伊州库克县的浣熊（Procyon lotor）爆发犬瘟热病毒（CDV）期间，一名癫痫发作的少年女性被杀死并验尸。坏死性脑炎和增生性支气管肺炎的大体和组织学发现归因于CDV感染，并被认为是临床体征的原因。对犬新孢子虫进行免疫组织化学染色的小脑切片显示直径约40μm，圆形至卵形囊肿，壁厚2至3μm，充满直径1-2μm，圆形至卵形缓殖子。使用从大脑中提取的DNA，聚合酶链反应（PCR）结果对犬新孢子虫呈阳性。密切相关的生物体弓形虫和黑麦Hamhamia heydorni的特异性PCR产生阴性结果。该病例报告提供了组织学，免疫组化和分子学证据，证明浣熊是犬新孢子虫的天然中间宿主。

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《Journal of Parasitology》 |2005年第4期|p.00000960-00000961|共2页
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K. Y. Lembergera L. F P. Gondimb A. P. Pessiera M. M. McAllistera and M. J. Kinsela;
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aUniversity of Illinois Zoological Pathology Program, Loyola University Medical Center, Building 101, Room 0745, 2160 South First Avenue, Maywood, Illinois 60153 bDepartment of Veterinary Pathobiology, University of Illinois, College of Veterinary Medicine, 2001 South Lincoln Avenue, Urbana, Illinois 61802. klember@lumc.edu;

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2. Detection of Antibody to Canine Distemper Virus in Wild Raccoons (Procyon lotor) in Japan [J] . Nakano Hitoshi, Kameo Yuki, Sato Hiroshi, The Journal of Veterinary Medical Science . 2009,第12期

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机译：由于Neospora Caninum相关堕胎流行病史的乳制品牛群中Neospora Caninum感染导致的经济损失估计
5. Vaccination of raccoons (Procyon lotor) against canine distemper: An experimental study. [D] . Pare, Jean Armand. 1997

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机译：代谢适应气候和浣熊'procyon lotor'和其他procyonidae的分布

Neospora caninum Infection in a Free-Ranging Raccoon (Procyon lotor) with Concurrent Canine Distemper Virus Infection

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