04 - ROVIRA

Question 1

Question 2

(Atrophic Rhinitis)

1. 3 week old to slaughter pigs
2. Eradicated from most modern farms
3. Clinical Signs?
4. Gross lesions? (3 of them)

Answer 2

3. sneezing, nasal discharge, poor growth, epistaxis
4. lateral deviation/shortening of snout (brachygnathia superior)

atrophy of ventral and dorsal turbinates

bending of the nasal septum

Question 3

(Atrophic Rhinitis)

1. Nonprogressive atrophic rhinitis (NPAR)

caused by what?

2. Progressive Atrophic Rhinitis (PAR)

caused by what?

Answer 3

1. toxigenic bordetella bronchiseptica
2. toxigenic pasteurella multocida

Question 4

(Purulent (suppurative) Bronchopneumonia)

1. how common?
2. what age?
3. clinical signs?
4. Bacteria from the upper respiratory tract invade bronchioles and alveoli…. what four?

Answer 4

1. very common
2. 3-wk-old to slaughter pigs
3. dyspnea, retarded growth
4. pasteurella multocida

bordetella bronchiseptica

haemophilus parasuis

streptococcus suis

Question 5

(Purulent (suppurative) Bronchopneumonia)

Answer 5

Question 6

(Fibrinonecrotic Plueropneumonia)

1. aka what?
2. age?
3. similar to bronchopneumonia but what?
4. clinical signs?
5. Bacteria from the upper respiratory tract invade bronchioles and alveoli…. which two?

Answer 6

1. fibrinous bronchopneumonia
2. 10-wk-old to slaughter pigs
3. more severe
4. dyspnea, depression, fever, DEATH
5. actinobacillus pleuropneumoniae

actinobacillus suis

Question 7

(Fibrinonecrotic Plueropneumonia)

Answer 7

Question 8

Answer 8

b or c… don’t know for sure…

Question 9

Answer 9

pretty sure it’s b

Question 10

(Mycoplasma Hyopneumoniae Pneumonia)

1. aka?
2. age?
3. clinical signs?
4. commonly complicated with what?
5. M. hyopneumoniae colonizes what?

Answer 10

1. enzootic pneumonia
2. 10wk to slaughter pigs
3. cough, retarded growth
4. purulent bronchopneumonia
5. the cilia of the respiratory epithelium

Question 11

(Mycoplasma hyopneumoniae pneumonia)

(pathology)

1. destruction of what?
2. immune reaction… recruitment of what?
3. secondary infections…. leads to what?

Answer 11

1. cilia
2. lymphocytes and macrophages
3. purulent bronchopneumonia

Question 12

(Porcine Reproductive and Respiratory Syndrome (PRRS))

1. very important disease
2. causes what in sows?
3. what age?
4. frequent complications: pneumonia, polyserositis, diarrhea

Answer 12

2. reproductive disease; abortions, piglets born weak
3. any (cause depression, dyspnea)

Question 13

(Porcine Reproductive and Respiratory Syndrome (PRRS))

Answer 13

Question 14

(Swine Influenza Virus)

1. what age?
2. clinical signs?
3. multiple types of influenza (ABC) - which type is swine influenza?

Answer 14

1. any
2. acute onset of cough, fever, depression, nasal discharge
3. A

(multiple subtypes… H1N1 H3N2 H1N2)

Question 15

(swine influenza virus)

(Pathogenesis)

1. influenza virus infects what?

Answer 15

1. epithelial cells of trachea, bronchi and bronchioles >> alveoli

Question 16

Answer 16

D

Question 17

Answer 17

I have no idea (figure this out…)

Question 18

(Swine influenza virus)

Answer 18

Question 19

(Fibrinous Polyserositis)

1. age?
2. clincial signs?
3. Bacteria from the upper respiratory tract become what?

what three bacteria (+ what they cause)

4. often secondary to what?

Answer 19

1. 3 to 15 wks pigs
2. fever, depression, dyspnea, reluctance to move, CNS signs, lameness
3. systemic and replicate in serosal surfaces

haemophilus parasuis - Glasser’s disease (polyserositis, arthritis, meningitis)

mycoplasma hyorhinis (polyserositis, arthritis)

streptococcus suis (meningitis, polyserositis)

4. PRRSV infection

Question 20

(Fibrinous Polyserositis)

Question 21