02 - swine diarrhea (old)

Question 1

How to remember?

Answer 1

Look At The Shooting Star

(lawsonia, ascaris suum, trichuris suis, Swine dysentery, salmonella)

Question 2

(Cx of each)

1. Lawsonia intracellularis
2. Swine dysentery
3. Trichurs suis (whipworms)
4. Ascaris Suum (roundworms)
5. Salmonella

Answer 2

1. may pass yellow fibrinonecrotic plaques

hemorrhagic form: black tarry feces and anemia

non: pasty brownish
2. mucoid large diarrhea w/ flecks of blood
3. hemorrhagic diarrhea
4. intestinal obstruction, white spots in liver, pneumonia (thumps -> abdominal breathing)
5. fever, yellow/liquid diarrhea w/ necrotic debris

rectal strictures

Question 3

(lawsonia intracellularis)

1. path?
2. tx?

Answer 3

1. intestinal mucosa thickening

2. affected -> injecteable abx

non: abx in feed

Question 4

(swine dysentery)

1. cause?
2. path?
3. tx?

Answer 4

1. brachyspira hyodysenteriae (anaerobic spirochete)
2. LI covered by gray mucus layer or yellow necrotic debris
3. abx in water

Question 5

(trichuris suis)

1. what kind of worm?
2. live where?
3. Dx?
4. Tx?

Answer 5

1. whipworm
2. cecum and upper LI
3. double operculated eggs in feces
4. levamisole

Question 6

(ascaris suum)

1. what kind of worm?
2. > 30 cm worm located where?
3. Dx?
4. tx?

Answer 6

1. roundworm
2. SI
3. ascarid eggs in feces
4. (many) fenben, pyrantel, ivermectin, levamisole, etc

Question 7

(salmonella)

1. in young cause what?
2. may cause what lesion?
3. Dx?
4. tx?

Answer 7

1. septicemia
2. rectal strictures
3. fecal culture, culture of mesenteric LN
4. abx in water (neomycin)

Question 8

where does trichurs suis hang out?

ascaris suum?

Question 9

(tx)

1. Lawsonia intracellularis
2. Swine dysentery
3. Trichurs suis (whipworms)
4. Ascaris Suum (roundworms)
5. Salmonella

Answer 9

1. injectable abx
2. abx in water
3. levamisole
4. (many) fenben, pyrantel, levamisole
5. neomycin in water