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  <controlfield tag="001">CTU_139460</controlfield>
  <controlfield tag="008">210402s9999    xx            000 0 und d</controlfield>
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   <subfield code="a">Nguyễn, Tiến Sĩ</subfield>
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   <subfield code="a">Điều tra tình hình chăn nuôi vịt an toàn sinh học và sử dụng chế phẩm sinh học trong khẩu phần nuôi vịt thịt sau giai đoạn úm ở tỉnh Đồng Tháp :</subfield>
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  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="b">Luận văn Thạc sĩ Khoa học Nông nghiệp. Chuyên ngành: Chăn nuôi</subfield>
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   <subfield code="c">Nguyễn Tiến Sĩ; Bùi Xuân Mến (Giáo viên hướng dẫn)</subfield>
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   <subfield code="a">Cần Thơ</subfield>
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   <subfield code="b">Trường Đại học Cần Thơ</subfield>
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   <subfield code="c">2008</subfield>
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   <subfield code="a">Đề tài nghiên cứu đánh giá những thuận lợi, khó khăn và thực trạng trong việc áp dụng mô hình chăn nuôi vịt theo hướng an toàn sinh học vào các hộ chăn nuôi của địa phương, thay thế cho phương pháp nuôi vịt chăn thả truyền thống tại  tỉnh Đồng Tháp. Bên cạnh đó bước đầu sử dụng các chế phẩm sinh học trong thức ăn nuôi vịt theo phương pháp có kiểm soát, để nâng cao hiệu quả chăn nuôi và tạo ra nguồn thực phẩm thịt vệ sinh cho thị trường tiêu thụ.</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
   <subfield code="a">Chăn nuôi vịt,Ducks,Poultry breeding</subfield>
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   <subfield code="x">Chế phẩm sinh học,Probiotics</subfield>
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  <datafield tag="904" ind1=" " ind2=" ">
   <subfield code="i">Năm</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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