28. Proliferative enteropathy of swine (PPE)

Question 1

bacteria cause of proliferative enteropathy of swine

Answer 1

lawsonia intracellularis

Question 2

detection of lawsonia intracellularis

Answer 2

histopath
special stains
pcr
ish
serology

Question 3

clinical signs of lawsonia intracellularis

Answer 3

mild depression
inappetance
no fever
thin, cow pat clay brownish red faeces with undigested feed
bloody but not mucoid diarrhoea

Question 4

lesions of lawsonia intracellularis

Answer 4

lesions in ileum and upper colon
mes ln intact
proliferation of immature intestinal ep cells
loss of goblet cells (adenomatosis)
thickening of ileal mucosa
horsepipe gut

Question 5

4 forms of proliferative enteropathy based on pathology

Answer 5

intestinal adenomatosis
haemorrhagic enteropathy
necrotic enteritis
regional ileitis

Question 6

4 forms of proliferative enteropathy based on clinical signs

Answer 6

acute
chronic
subclinical