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Food and Agriculture Organization of the United Nations Characteristics and parameters of family poultry production in Africa
results of a FAO/IAEA co-ordinated research programme on assessment of the effectiveness of vaccination strategies against Newcastle disease and Gumboro disease using immunoassay-based technologies for increasing farmyard poultry production in Africa
Non-fictie
Engels | Frans | 205 pagina's | Backhuys Publishers], [Leiden | 2002
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