Tumors Associated with Avian Leukosis Virus Subgroup J in Layer Hens of During 2007 to 2009 in China
スポンサーリンク
概要
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In the 3 years to November 2009, six different types of naturally occurring neoplasms associated with avian leukosis virus subgroup J (ALV-J) were diagnosed by histopathology, polymerase chain reaction (PCR) and immunohistochemistry (IHC) in 140 from approximately 100,000 layer hens. The most prevalent tumor type was hemangiomas (50%) outbreak in commercial layer flocks; second prevalent neoplasm type was myelocytomas (38.6%) which same with that broke out in meat type chickens; few number of ALV-J positive lymphomas (4.3%) which not associated with Mareks disease (MD) and lymphoid leukosis (LL) were observed. Histiocytic sarcomas (2.1%) were found mainly in spleen, liver and kidney. Fibrosarcomas (2.8%) were presented as metastatic thigh, liver, lung and kidney neoplasms. Three cases of intestinal adenocarcinoma (2.1%) were found associated with ALV-J. Multiple tumors in one chicken were common phenomena. Usually, hemangiomas plus myelocytomas (8.6%), myelocytomas plus histiocytic sarcomas (2.1%), Hemangioma plus myelocytoma and lymphoma (3.6%) were found in various viscera organs. This reports describe multiple neoplasms associated with ALV-J occurred in field layer hens.
著者
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Zhang Li
College Of Chemistry And Environment Science Hebei University
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Cui Zhizhong
Laboratory Of Veterinary Pathology College Of Animal Husbandry And Medicine Shandong Agricultural Un
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Cheng Ziqiang
Laboratory Of Veterinary Pathology College Of Animal Husbandry And Medicine Shandong Agricultural Un
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CHENG Ziqiang
College of Animal Science and Veterinary Medicine, Shandong Agricultural University
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LIU Jianzhu
College of Animal Science and Veterinary Medicine, Shandong Agricultural University
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CUI Zhizhong
College of Animal Science and Veterinary Medicine, Shandong Agricultural University
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ZHANG Li.
College of Animal Science and Veterinary Medicine, Shandong Agricultural University
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ZHANG Li
College of Animal Science and Veterinary Medicine, Shandong Agricultural University
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