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  <leader>01494nam a2200217Ia 4500</leader>
  <controlfield tag="001">CTU_85419</controlfield>
  <controlfield tag="008">210402s9999    xx            000 0 und d</controlfield>
  <datafield tag="082" ind1=" " ind2=" ">
   <subfield code="a">636.4</subfield>
  </datafield>
  <datafield tag="082" ind1=" " ind2=" ">
   <subfield code="b">L506</subfield>
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  <datafield tag="088" ind1=" " ind2=" ">
   <subfield code="a">60640101</subfield>
  </datafield>
  <datafield tag="100" ind1=" " ind2=" ">
   <subfield code="a">Nguyễn, Văn Lục</subfield>
  </datafield>
  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="a">Khảo sát bệnh tích viêm phổi heo tại lò mổ huyện Long Hồ tỉnh Vĩnh Long</subfield>
  </datafield>
  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="c">Nguyễn Văn Lục</subfield>
  </datafield>
  <datafield tag="260" ind1=" " ind2=" ">
   <subfield code="a">Cần Thơ</subfield>
  </datafield>
  <datafield tag="260" ind1=" " ind2=" ">
   <subfield code="b">Trường Đại học Cần Thơ</subfield>
  </datafield>
  <datafield tag="260" ind1=" " ind2=" ">
   <subfield code="c">2004</subfield>
  </datafield>
  <datafield tag="520" ind1=" " ind2=" ">
   <subfield code="a">Chúng tôi đã khảo sát được 1.697 heo đem đến hạ thịt, trong đó có 1.578 heo có bệnh tích trên phổi chiếm tỷ lệ 92,98%. Bệnh tích viêm phổi chỉ chiếm tỷ lệ 11,78% và đã đánh giá xếp loại bốn thể viêm phổi sau: Viêm phổi cata đơn giản chiếm tỷ lệ 9,42%. Viêm phổi thể cata phức tạp chiếm tỷ lệ 2,12%. Viêm phổi và viêm màng phổi cấp tính chiếm tỷ lệ: 0,12%. Viêm phổi và viêm màng phổi mãn tính chiếm tỷ lệ 0,12%. Tỷ lệ giữa các loại viêm phổi qua phân tích thống kê thấy có sự khác biệt rất có ý nghĩa ở mức độ &lt;1%</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
   <subfield code="a">Pneuponia in swine,Swine breeding,Swine</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
   <subfield code="x">Virus diseases</subfield>
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  <datafield tag="904" ind1=" " ind2=" ">
   <subfield code="i">Tuyến</subfield>
  </datafield>
  <datafield tag="980" ind1=" " ind2=" ">
   <subfield code="a">Trung tâm Học liệu Trường Đại học Cần Thơ</subfield>
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