04 - ROVIRA Flashcards
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(Atrophic Rhinitis)
- 3 week old to slaughter pigs
- Eradicated from most modern farms
- Clinical Signs?
- Gross lesions? (3 of them)
- sneezing, nasal discharge, poor growth, epistaxis
- lateral deviation/shortening of snout (brachygnathia superior)
atrophy of ventral and dorsal turbinates
bending of the nasal septum
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(Atrophic Rhinitis)
- Nonprogressive atrophic rhinitis (NPAR)
caused by what?
- Progressive Atrophic Rhinitis (PAR)
caused by what?
- toxigenic bordetella bronchiseptica
- toxigenic pasteurella multocida
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(Purulent (suppurative) Bronchopneumonia)
- how common?
- what age?
- clinical signs?
- Bacteria from the upper respiratory tract invade bronchioles and alveoli…. what four?
- very common
- 3-wk-old to slaughter pigs
- dyspnea, retarded growth
- pasteurella multocida
bordetella bronchiseptica
haemophilus parasuis
streptococcus suis
(Purulent (suppurative) Bronchopneumonia)
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(Fibrinonecrotic Plueropneumonia)
- aka what?
- age?
- similar to bronchopneumonia but what?
- clinical signs?
- Bacteria from the upper respiratory tract invade bronchioles and alveoli…. which two?
- fibrinous bronchopneumonia
- 10-wk-old to slaughter pigs
- more severe
- dyspnea, depression, fever, DEATH
- actinobacillus pleuropneumoniae
actinobacillus suis
(Fibrinonecrotic Plueropneumonia)
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b or c… don’t know for sure…
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pretty sure it’s b
(Mycoplasma Hyopneumoniae Pneumonia)
- aka?
- age?
- clinical signs?
- commonly complicated with what?
- M. hyopneumoniae colonizes what?
- enzootic pneumonia
- 10wk to slaughter pigs
- cough, retarded growth
- purulent bronchopneumonia
- the cilia of the respiratory epithelium
(Mycoplasma hyopneumoniae pneumonia)
(pathology)
- destruction of what?
- immune reaction… recruitment of what?
- secondary infections…. leads to what?
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- cilia
- lymphocytes and macrophages
- purulent bronchopneumonia
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(Porcine Reproductive and Respiratory Syndrome (PRRS))
- very important disease
- causes what in sows?
- what age?
- frequent complications: pneumonia, polyserositis, diarrhea
- reproductive disease; abortions, piglets born weak
- any (cause depression, dyspnea)
(Porcine Reproductive and Respiratory Syndrome (PRRS))
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(Swine Influenza Virus)
- what age?
- clinical signs?
- multiple types of influenza (ABC) - which type is swine influenza?
- any
- acute onset of cough, fever, depression, nasal discharge
- A
(multiple subtypes… H1N1 H3N2 H1N2)
(swine influenza virus)
(Pathogenesis)
- influenza virus infects what?
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- epithelial cells of trachea, bronchi and bronchioles >> alveoli
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