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  <leader>01684nam a2200229Ia 4500</leader>
  <controlfield tag="001">CTU_85063</controlfield>
  <controlfield tag="008">210402s9999    xx            000 0 und d</controlfield>
  <datafield tag="082" ind1=" " ind2=" ">
   <subfield code="a">636.6</subfield>
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  <datafield tag="082" ind1=" " ind2=" ">
   <subfield code="b">H107</subfield>
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  <datafield tag="088" ind1=" " ind2=" ">
   <subfield code="a">606270</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
   <subfield code="a">Hồ, Mỹ Hạnh</subfield>
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  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="a">Khảo sát tính ăn và ảnh hưởng của mật độ, thức ăn lên sự tăng trưởng của cá rô đồng (Anabas testudineus, Bloch) từ giai đoạn cá bột lên cá hương:</subfield>
  </datafield>
  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="b">Chuyên ngành Nuôi trồng Thuỷ sản</subfield>
  </datafield>
  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="c">Hồ Mỹ Hạnh ; Hướng dẫn khoa học: Nguyễn Anh Tuấn</subfield>
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  <datafield tag="260" ind1=" " ind2=" ">
   <subfield code="a">Cần Thơ</subfield>
  </datafield>
  <datafield tag="260" ind1=" " ind2=" ">
   <subfield code="b">Đại học Cần Thơ</subfield>
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   <subfield code="c">2003</subfield>
  </datafield>
  <datafield tag="520" ind1=" " ind2=" ">
   <subfield code="a">Đề tài nghiên cứu về tính ăn và những khía cạnh mật độ, thức ăn trong khâu ương giống. Tính ăn được khảo sát dựa trên các chỉ tiêu tỉ lệ chiều dài ruột và chiều dài thân ( RGL ), kích thước miệng cá (MH), tần số xuất hiện thức ăn (TSXH) và hệ số lựa chọn thức (giá trị E); Mật độ và thức ăn được tiến hành thí nghiệm ương cá trên bể xi măng có thể tích 1x1x0,7m với 3 mật độ ương : 500 con/m2, 1000con/m2, 1500con/m2 và 2 nghiệm thức thức ăn là bón phân và thức ăn chế biến dạng viên có hàm lượng đạm thô là 36%.</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
   <subfield code="a">Fish</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
   <subfield code="x">Culture</subfield>
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  <datafield tag="904" ind1=" " ind2=" ">
   <subfield code="i">Truc, QHieu</subfield>
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  <datafield tag="980" ind1=" " ind2=" ">
   <subfield code="a">Trung tâm Học liệu Trường Đại học Cần Thơ</subfield>
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