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首页> 外文期刊>Canadian Veterinary Journal: La Revue Veterinaire Canadienne. >Granulomatous lymphadenitis associated with Actinobacillus pleuropneumoniae serotype 2 in slaughter barrows.
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Granulomatous lymphadenitis associated with Actinobacillus pleuropneumoniae serotype 2 in slaughter barrows.

机译:屠宰猪中伴有胸膜肺炎放线杆菌2型血清肉芽肿性淋巴结炎。

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摘要

This study evaluated the occurrence of granulomatous lymphadenitis and its association with Actinobacillus spp. in 151 653 slaughtered pigs. Markedly enlarged pulmonary hilar, mediastinal, mandibular or hepatic lymph nodes were detected in 6 castrated males. The cut surfaces showed multifocal yellow-white lesions. Histologically, gram-negative bacilli were visible in the centers of the lesions with asteroid bodies, epithelioid cells, and multinucleated giant cells. Dense fibrous connective tissue surrounded these granulomatous lesions. Immunohistochemically, the organisms reacted with polyclonal antibodies against Actinobacillus pleuropneumoniae serotype 2 in all 6 barrows. The organism was isolated from the lymph nodes of all 6 animals. The results indicate that the granulomatous lymphadenitis was associated with A. pleuropneumoniae serotype 2 and the disorder had a tendency to occur in slaughter barrows.
机译:这项研究评估了肉芽肿性淋巴结炎的发生及其与放线杆菌的关系。在151653头被屠宰的猪中。在6名cast割的男性中发现肺门,纵隔,下颌或肝淋巴结明显肿大。切面显示多灶性黄白色病变。组织学上,革兰氏阴性杆菌可见于小行星体,上皮样细胞和多核巨细胞的病变中心。密集的纤维结缔组织包围了这些肉芽肿性病变。免疫组织化学法显示,该微生物与所有6头猪的胸膜肺炎放线杆菌血清型2的多克隆抗体反应。从所有6只动物的淋巴结中分离出该生物。结果表明肉芽肿性淋巴结炎与 A有关。胸膜肺炎血清型2和该疾病有在屠宰公猪中发生的趋势。

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