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Journal of the South African Veterinary Association
versión On-line ISSN 2224-9435

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PURCHASE, C; PICARD, J; MCDONALD, R  y  BISSCHOP, S P R. A comparison of the oral application and injection routes using the Onderstepoort Biological Products Fowl Typhoid vaccine, its safety, efficacy and duration of protection in commercial laying hens. J. S. Afr. Vet. Assoc. [online]. 2008, vol.79, n.1, pp. 39-43. ISSN 2224-9435.


 


 

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