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  <leader>01994nam a2200241Ia 4500</leader>
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  <controlfield tag="008">210402s9999    xx            000 0 und d</controlfield>
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   <subfield code="a">636.5089</subfield>
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   <subfield code="b">U502</subfield>
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   <subfield code="a">Phạm, Công Uẩn</subfield>
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   <subfield code="a">Phân lập, định danh virus viêm gan vịt ở một số tỉnh Đồng bằng Sông Cửu Long và sản xuất kháng thể phòng bệnh :</subfield>
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   <subfield code="b">Luận án tiến sỹ. Chuyên ngành: Vi sinh vật học</subfield>
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   <subfield code="c">Phạm Công Uẩn ; Hồ Thị Việt Thu (Cán bộ 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">2020</subfield>
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   <subfield code="a">Bệnh viêm gan vịt do virus  là bệnh nguy hiểm gây tổn thất lớn cho ngành chăn nuôi vịt do tỷ lệ bệnh và chết rất cao. Hiện nay, bệnh rất phổ biến và phát triển rất nhanh trên các đàn vịt con, đặc biệt là ở đồng bằng sông Cửu Long. Tuy nhiên cho đến nay chưa nhiều nghiên cứu về bệnh nđược thực hiện, cho nên, bệnh vẫn còn là mối đe dọa lớn đến sức khỏe đàn vịt cũng như ảnh hưởng đến hiệu quả kinh tế của những người chăn nuôi vịt trong vùng. Việc  xác  định loại virus gây bệnh chủ yếu trong tự nhiện và sử dụng chúng làm kháng nguyên trong việc sản xuất vacxin và kháng thể điều cần thiết trong công tác phòng và trị bệnh đặc hiệu, nhằm bảo vệ sức khỏe đàn vịt một cách tốt nhất.</subfield>
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   <subfield code="a">Virus viêm gan vịt</subfield>
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   <subfield code="i">Tuyến</subfield>
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   <subfield code="b">tvtrong</subfield>
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   <subfield code="c">tvtrong,tvtrong</subfield>
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   <subfield code="a">Trung tâm Học liệu Trường Đại học Cần Thơ</subfield>
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