pigs respiratory diseases with SEP, APP are one of the three pathogens. Susceptible to nasal mucosa are atrophic turbinate crooked nose. Mortality is low, but high infection rate and feed efficiency when the economic growth is delayed costly disease infection away.

1. Agent
  Bordetella bronchiseptica bacteria are the main pathogens and symptoms are worse in secondary infection of Pasteurella multocida type D.
 
2. Epidemiology
  Can be found in most of the pig farms.
 
3. Clinical Signs
 . Initial infection : sneezing, watery nasal discharge, lacrimation, catarrhal rhinitis at nasal tip
. Onset 1 Month : The development of the upper jaw is staggered down the delay and the dust that accumulates on the black spots occur around the eyes (eye patch).


. Outbreak two months : turbinate bone atrophy, the wrinkles in the nose bridge of the nose skew

 
4. Prevention and Treatment
1) Prevention
  Thoroughly disinfected before stocking the grower and nursery, pregnant sow and also thoroughly disinfect pens instrument. Swine appropriately and in a temperature-controlled ventilation notes. Infected cases found during the early culling to prevent the spread of swine living in advance.
 
2) Vaccination
   AR·P·H or ARP-T4.