56. 57. Viral and Bacterial Pneumonia of Swine

Question 1

types of viral pneumonias in pigs

Answer 1

PRRSV pneumonia
PCV-2 pneumonia
swine influenza
aijeszky disease
PRCV
PCMV

Question 2

types of bacterial pneumonias in pigs

Answer 2

mycoplasma- pneumonia
actinobacillus pleuropnumonia
pasteurella multocida
strep
bordetella bronchiseptica
salmonella cholderaesuis

Question 3

forms of bronchopneumonia

Answer 3

purulent
fibrinous
fibrinopurulent
aspiration
necrotic
haemorrhagic

Question 4

route of infection of purulent bronchopneumonia

Answer 4

aerogenous

Question 5

agents of purulent bronchopneumonia

Answer 5

mycoplasma hyopneumoniae
m. hyorhinis
PCV-2
PRRSV

Question 6

secondary bacterial infections of purulent bronchopneumonia

Answer 6

pasteurella multocida
trueperella pyogenes
strep

Question 7

route of infection of fibrinous bronchopneumonia

Answer 7

aerogenous

Question 8

agents of fibrinous bronchopneumonia

Answer 8

predisposing agents = m. hyopneumoniae & viruses

actinobacillus pleuropneumoniae
a. suis
pasteurella multocida
strep
salmonella choleraesuis

Question 9

forms of interstitial pneumonias

Answer 9

bronchointerstitial
proliferative interstital
eosinophilic interstitial

Question 10

route of infection of interstitial pneumonia

Answer 10

aerogenous, hemtogenous, larva migration

Question 11

agents of interstitial pneumonia

Answer 11

viruses - PCV-2, PRRSC, SIV
septicaemia - salmonella, strep
parasite - ascaris suum, metastrongylus
allergens, fumes

Question 12

location of interstitial pneumonia

Answer 12

diffuse, dorsocaudal

Question 13

colour of interstitial pneumonia

Answer 13

dark red - purple

Question 14

consistency of interstitial pneumonia

Answer 14

rubbery, elastic, meaty - flaccid muscle

Question 15

cut surface of interstitial pneumonia

Answer 15

exsudative not present
normal - increased fluid content
oedema
emphysema

Question 16

pleura of interstitial pneumonia

Answer 16

intact

Question 17

LN of interstitial pneumonia

Answer 17

lymphoid hyperplasia
proliferative or degenerative changes

Question 18

PCV

Answer 18

porcine circovirus

Question 19

lung lesions of PCV2

Answer 19

multifocal - diffuse interstitial pneumonia
severe oedema, hydrothroax
proliferative - necrotizing pneumonia
multinucleated giant cells, inclusion bodies
purulent bronchopneumonia

Question 20

LN lesions of PCV2

Answer 20

peribronchial lymphadenomegaly
lymphoid depletion
proliferatvie necrotizing lymphadenitis

Question 21

cause of proliferative necrotizing pneumonia

Answer 21

PRRSV
PCV2
SIV

Question 22

agents of focal/multifocal pneumonia

Answer 22

bacteriaemia/ septicaemia - trueperella pyogenes, strep
sequel to bronchopneumonia

Question 23

location of focal/multifocal pneumonia

Answer 23

multifocal = random distribution
cranioventral

Question 24

colour of focal/multifocal pneumonia

Answer 24

small, white foci with red perimeter, haemorrhagic foci, abscesses

Question 25

consistency of focal/multifocal pneumonia

Answer 25

nodular, firm to flaccid

Question 26

cut surface of focal/multifocal pneumonia

Answer 26

purulent or necrotic exsudate

Question 27

pleura of focal/multifocal pneumonia

Answer 27

usually focal pleuritis

Question 28

LN of focal/multifocal pneumonia

Answer 28

similar foci can occur

Question 29

route of infection of granulomatous pneumonia

Answer 29

haematogenous aerogenous larval migration

Question 30

agents of granulomatous pneumonia

Answer 30

tuberculosis - m. bovis m. avium complex fungi - aspergillus, cryptococcus, histoplasma parasite - ascaris suum foreoign body - feed, desiccant powder

Question 31

location of granulomatous pneumonia

Answer 31

random ditribution if hematogenous spread focal nodule if aspiration/larva

Question 32

colour of granulomatous pneumonia

Answer 32

white- grey foci

Question 33

consistency of granulomatous pneumonia

Answer 33

nodular, firm, gritty when calcified

Question 34

cut surface of granulomatous pneumonia

Answer 34

usually no exsudate,, necrotic or glistening