08 - GI system dz

Question 1

(wooden tongue)

1. caused by what?
2. tx?

Answer 1

1. chronic granulomatous infection with actinobacillus lingieresi (normal flora)
2. poor response to abx, sodium iodide or penicillin are appropriate

Question 2

(lumpy jaw)

1. chronic granulomatous infection with what?
2. where is infection?
3. tx?

Answer 2

1. actinomyces bovis
2. mandible
3. poor resposne to abx

sodium iodide or penicillin are appropriate

Question 3

(mucosal dz)

1. rare and usually fatal
2. seen in cattle persistently infected with what?
3. occurs when PI cattle (which are infected with noncytopathic BVDV) become super-infected with what?

Answer 3

2. BVDV
3. cytopathic BVDV

(mutation of noncytopathic, trans from other cattle, vaccines containing cytopathic virus)

Question 4

(mucosal dz)

1. Cx and Dx?

Answer 4

Question 5

(malignant catarrhal fever)

1. sporadic and highly fatal disease of cattle and other ruminants
2. caused by what two viruses?
3. trans?

Answer 5

2. alcelaphine herpesvirus-1 (AHV-1) - wildebeest

ovine herpesvirus-2 (OHV-2) - sheep-goats

3. unknown, direct contact

cattle-> cattle trans rare

Question 6

(malignant catarrhal fever)

1. Cx - there are a bunch!

Answer 6

Question 7

(malignant catarrhal fever)

(path)

1. epithelial necrosis in what 3 systems?
2. lymphoprolifreation, interstitial infiltration of nonlymphoid tissues by lymphoid cells
3. and what else (one more thing!)

Answer 7

1. GI, resp, urinary
2. vasculitis

Question 8

(malignant catarrhal fever)

1. Dx?

Answer 8

Question 9

(malignant catarrhal fever)

1. control?

Answer 9

Question 10

Question 11

(bloat)

1. rumen distension can be categorized as acute or chronic, gassy, or frothy
2. acute is often what kind?
3. what kind of gas in chronic usually?

Answer 11

2. frothy
3. free gas

Question 12

(bloat)

(causes)

1. acute, gassy due to what?
2. acute, frothy due to what two things?
3. chronic due to what?

Answer 12

1. esophageal foreign body
2. legumes, grains

rumen or reticular foreign body

Question 13

(bloat)

1. dx?

Answer 13

Question 14

(bloat)

1. tx and prog?

Answer 14

Question 15

(traumatic reticuloperitonitis)

Answer 15

Question 16

(traumatic reticuloperitonitis)

1. Cx and Dx?

Answer 16

Question 17

(grain overload)

Question 18

(abomasal ulceration)

Question 19

(abomasal left displacement)

Question 20

(abomasal left displacement)

1. cause partial obstruction to flow of ingesta: HCl accumulates in abomasum leading to what?

appetite is impaired - leading to what?

Answer 20

1. mild hypochloremia and metabolic alkalosis

secondary ketosis

Question 21

(abomasal right displacement)

Question 22

(abomasal displacement)

1. Cx?

right and left…

Answer 22

Question 23

(abomasal displacement)

1. tx and prog?

Answer 23

Question 24

(impaction)

1. 3 causes?

Answer 24

1. sand ingestion, abomasal displacement, vagal nerve disease

(sand - pica may be assoc with pain or nutritional def)

Question 25

(impaction)

1. path?

Answer 25

Question 26

(impaction)

1. Cx?

Answer 26

Question 27

(impaction)

1. tx and prog?

Answer 27