Fluctuations in luteinizing hormone, follicle stimulating hormone, and progesterone might affect the disappearance of avian leukosis virus subgroup J viremia in chickens with intermittent viremia

文献类型： 外文期刊

第一作者： Dai, Manman

作者： Dai, Manman;Feng, Min;Xie, Tingting;Li, Yuanfang;Zhang, Xiquan;Xie, Tingting;Li, Yuanfang;Zhang, Xiquan

作者机构：

关键词： ALV-J; LH; FSH; progesterone; viremia

期刊名称：POULTRY SCIENCE （ 影响因子：3.352； 五年影响因子：3.679 ）

ISSN： 0032-5791

年卷期： 2019 年 98 卷 9 期

页码：

收录情况： SCI

摘要： Avian leukosis virus subgroup J (ALV-J) belongs to alpha-retrovirus genus of retroviridae, causing neoplastic disease, immunosuppression, and other problems in the poultry industry worldwide. The aim of this study was to determine whether the reproductive hormone fluctuation affect the ALV-J viremia at the early egg-laying phase in chicken. Total 8 suspected ALV-J-infected Chinese yellow chickens in the early egg-laying phase were collected from 2 different farms, and further confirmed by PCR and immunofluorescence assay. Plasma samples were collected from experimental chickens for 5 to 10 consecutive weeks at a settled time in each week. ALV-J viremia and reproductive hormone levels were monitored by ELISA or radioimmunoassay. The results showed that fluctuations in luteinizing hormone (LH), follicle stimulating hormone (FSH), and progesterone might have an impact on the disappearance of ALV-J viremia in chickens with intermittent viremia, but not in chickens with persistent viremia. These results suggest that reproductive hormone changes during the early egg-laying phase will affect the detection of positive ALV-J-infected chickens in the ALV-J eradication procedures.

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