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  <controlfield tag="008">210402s9999    xx            000 0 und d</controlfield>
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   <subfield code="a">Nguyễn, Thị Hạnh Chi</subfield>
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   <subfield code="a">Xác định vai trò virus dịch tả heo trong hội chứng tiêu chảy kéo dài ở heo con tại các trại chân nuôi tập trung</subfield>
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   <subfield code="c">Nguyễn Thị Hạnh Chi</subfield>
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   <subfield code="b">Đại học Cần Thơ</subfield>
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   <subfield code="a">Tỷ lệ nhiễm bệnh dịch tả ở lợn rất cao và cao nhất là từ sơ sinh đến 2 tuần tuổi. Bệnh tích nghi bệnh dịch tả lợn rất thấp vì trên một con lợn không biểu hiện đầy đủ dấu hiệu để nghi ngờ đó là bệnh gì cả. Qua nghiên cứu cho thấy có khoảng 79.41% lợn con  bị nhiễm virus dịch tả được xác định bởi phản ứng kiểm tra kháng thể huỳnh quang. Tỷ lệ nhiễm này có cả ở những lợn có triệu chứng không điển hình. Phân lập vi khuẩn đường ruột ở những lợn con dương tính thì có các vi khuẩn, không có khả năng gây tiêu chảy kéo dài khi đã sử dụng kháng sinh. Vì vậy tất cả các lợn con tiêu chảy kéo dài trên đều do virus dịch tả lợn gây ra.</subfield>
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   <subfield code="i">TRuc, QHieu</subfield>
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   <subfield code="a">Trung tâm Học liệu Trường Đại học Cần Thơ</subfield>
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