969 resultados para Poultry farming
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Submitted in Poultry Disease Essay Contest, 1945.
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Submitted in Poultry Disease Essay Contest, 1943.
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Mimeographed.
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Winning essay in Poultry Disease Essay Contest, 1946.
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This essay won the second prize in the Poultry Disease Essay Contest of 1949.
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Submitted in Poultry Disease Essay Contest, 1945.
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Cover title.
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Mode of access: Internet.
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Mode of access: Internet.
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On cover: "Revised".
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Mode of access: Internet.
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Mode of access: Internet.
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Includes bibliographies.
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"Sources of additional information": p. [469]-471.
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Mode of access: Internet.