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《China Poultry》 2017-22
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Effect of Salmonella enteritidis Infection on Morphology of Jejunum in Jining Bairi Chicken

WANG Yuanmei;LIN Lili;LIU Liying;LI Xianyao;College of Animal Science and Technology,Shandong Agricultural University;College of Life Science, Shandong Agricultural University;Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention;  
To study the effect of Salmonella enteritidis(S. enteritidis) infection on jejunum morphology, negative Jining Bairi chickens were inoculated with S. enteritidis. The jejunum and cecal contents were collected at 1, 3, 7, 14, 21 and 35 days after inoculation. With Paraffin sections and HE staining, the morphology and cryptography of jejunum villi in Jining Bairi chickens were observed at different time points. The results showed that the increase of length of jejunum villi in the control group was higher than that in the treated group at 7 time points after inoculation. The length of jejunum villi in the treated group was significantly lower than that of the control group on the first day after inoculation(P0.05). The depth of crypt in the treated group was higher than that in the control group except for the35 th day after inoculation and showed the significance on the 3 rd and 7 th day after inoculation(P0.05). The ratio of villus length to depth of crypts(V/C) in the control group was significantly larger than that in the treated group on day1, 7, 14 and 21 after infection. According to the results, the relationship between S. enteritidis inoculation and metabolism in chicken was disclosed.
【Fund】: 国家自然科学基金项目(31601980);; 山东省现代农业产业技术体系项目(SDAIT-11-02);; 山东省农业良种工程项目;; 山东省“双一流”奖补资金(SYL2017YSTD12)
【CateGory Index】: S858.31
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