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Introduction:Tildipirosin (TD) is a semi-synthetic tylosin analog that has been approved for the treatment of respiratory diseases in pigs and cattle. This macrolide is rapidly absorbed and extensively distributed to the site of respiratory infection. Thus, lung, mean TD concentrations were characterized by a peak on day 1 and a slow decline until 17 days after administration. On the other hand, p ...

IntroductionThe principal characteristic of Atrophic Rhinitis (AR) is a reduced growth rate due to the atrophy of the nasal turbinates caused by the dermonecrotoxin (DNT) released by Pasteurella multocida toxigenica (1). Sows vaccinated against AR produce elevated levels of antibodies which are passed to their offspring via the colostrum. The antibody titer against DNT is directly correlated with ...