Browsing by Author "Celedón, M."
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Celedón, M.; Carbonell, J.; Ibarra, L.; Pizarro, J. (1998)The presence of immunotolerant, persistently infected (IPI) animals with bovine viral diarrhoea virus (BVDV) was detected in several milking herds with abortions, repeat breeders, still births and poor growth rates, by the ...