04 - ROVIRA - COW

Question 1

Question 2

(Shipping Fever)

1. What is the characteristic lesion?
2. clinical signs?
3. usually develops when?
4. bacteria from upper respiraotry tract do what?
5. what three?

Answer 2

1. fibrinous bronchopneumonia (fibrinonecrotic pleuropneumonia)
2. dyspnea, depression, fever, acute death
3. 1-3 weeks after stress (shipping, market)
4. invade bronchioles and alveoli
5. mannheimia hamolytica

histophilus somni

pasteurella multocida (?)

Question 3

(Shipping Fever)

Answer 3

Question 4

(Infectious Bovine Rhinotracheitis) (IBR)

1. caused by what?
2. Rhinotracheitis, bronchointerstitial pneumonia, conjunctivitis, abortion, encephalitis, stomatitis/rumenitis/enteritis, venereal disease,…
3. clinical signs?
4. disease occurence is associated with what?
5. what happens in severe form?
6. secondary bacterial pneumonia is frequent… mainly what?

Answer 4

1. Bovine herpesvirus-1 (BHV-1)
2. fever, dyspnea, nasal discharge
3. crowding, feedlots, and indoor fattening pens
4. necrosis of respiratory tract mucosa
5. mannheimia haemolytica

Question 5

(Infectious Bovine Rhinotracheitis) (IBR)

Question 6

(Bovine Respiratory Sincitial Virus) (BRSV)

1. Bronchointerstitial pneumonia in what age calves?
2. Clinial signs?
3. what is frequent secondary?

(gross lesions (very variable))

4. cranioventral?
5. caudodorsal?
6. interstitial emphysema

Answer 6

1. 1-3 month old
2. fever, dyspnea, cough, nasal discharge
3. secondary bacterial pneumonia
4. firm, dark, consolidated
5. heavy, wet, non-collapsed

Question 7

Answer 7

B

Question 8

(Bovine Tuberculosis)

1. caused by what bacteria?
2. clinical signs?
3. what lesions do you see?

Answer 8

1. mycobacterium bovis
2. emaciation, decrease in milk production, cough, dyspnea, enlarged lymph nodes
3. granulomatous pneumonia and lymphadenitis

Question 9

(Bovine Tuberculosis)

Answer 9

Question 10

(Ovine Progressive Pneumonia (OPP))

1. Caused by what?
2. aka?
3. what can cause a similar pnemonia in goats
4. clinical signs?
5. incubation period is about how long?
6. ovine lentivirus can infect many cell types but replicates in what only?

Answer 10

1. a retrovirus (Ovine lentivirus)
2. maedi-visna disease
3. Caprine arthritis encephalitis (CAE)
4. subclinical disease/weight loss, progressive dyspnea
5. 2 years
6. macrophages

Question 11

(Ovine Progressive Pneumonia) (OPP)

Answer 11

Question 12

NOW GO OVER CASES AT THE END OF THE THING