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首页> 外文期刊>Journal of Veterinary Diagnostic Investigation >Natural fatal Sarcocystis falcatula infections in free-ranging eagles in North America.
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Natural fatal Sarcocystis falcatula infections in free-ranging eagles in North America.

机译：在北美自由放养的鹰中，自然致命的 Sarcocystis falcatula 感染。

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Three bald eagles (Haliaeetus leucocephalus) and 1 golden eagle (Aquila chrysaetos) were admitted to rehabilitation facilities with emaciation, lethargy, and an inability to fly. Intravascular schizonts and merozoites were present in 2 bald eagles, mainly in the lung tissue, whereas the third bald eagle and the golden eagle had lymphohistiocytic encephalitis with intralesional schizonts and merozoites. In all eagles, protozoal tissue cysts were present in skeletal musculature or heart. The protozoal organisms were morphologically compatible with a Sarcocystis sp. By immunohistochemistry, the protozoal merozoites were positive for Sarcocystis falcatula antigen in all cases when using polyclonal antisera. Furthermore, the protozoa were confirmed to be most similar to S. falcatula by polymerase chain reaction in 3 of the 4 cases. To the authors' knowledge, this report presents the first cases of natural infection in eagles with S. falcatula as a cause of mortality.
机译：三只秃头鹰（ Haliaeetus leucocephalus ）和一头金鹰（ Aquila chrysaetos ）被送进康复场所，该场所消瘦，嗜睡且无法飞行。在两只秃鹰中，主要在肺组织中，存在血管内裂殖子和裂殖子，而第三秃头和金鹰则患有淋巴组织细胞性脑炎，病灶内裂殖子和裂殖子。在所有的老鹰中，骨骼肌或心脏中都存在原生动物组织囊肿。原生动物生物与 Sarcocystis sp在形态上相容。通过免疫组织化学，在使用多克隆抗血清的所有情况下，原生动物裂殖子均对Salcocystis falcatula抗原呈阳性。此外，已确认原生动物与iS最相似。 4例中有3例通过聚合酶链反应引起的恶性臭。据作者所知，本报告介绍了鹰感染 S的第一批自然感染病例。恶性疟原虫是致死原因。

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