ESCHERIHIA COLI, EDEMA DISEASE (ED), POSTWEANING DIARRHEA (PWD)

Question 1

disease

Answer 1

Escherihia coli, Edema disease (ED), Postweaning diarrhea (PWD)

Question 2

Edema Disease (ED) is a disease of

Answer 2

weaner and grower pigs

Question 3

ED is caused by

Answer 3

E. coli

Question 4

ED is characterized by

Answer 4

subcutaneous and subserosal edema, progressive ataxia, recumbency and death

Question 5

Postweaning diarrhea (PWD) is a disease of

Answer 5

post weaning period

Question 6

PWD is caused by

Answer 6

E. coli

Question 7

PWD is characterized by

Answer 7

diarrhea, dehydration and often death

Question 8

agent

Answer 8

E. coli

Question 9

ED strains producing

Answer 9

verocytotoxin (STEC > EDEC)

> O138, O139, O141

Question 10

PWD specific serotype of

Answer 10

enterotoxigenic E. coli

Question 11

ED and PWD can occur

Answer 11

separately or at the same time

Question 12

1. intake of pathogenic

Answer 12

E. coli

Question 13

2. adherence and proliferation in

Answer 13

intestine

Question 14

3. _______ destroys blood capillaries, fluid loss

Answer 14

Shiga toxin

Question 15

4. clinical picture

Answer 15

-oedema
-lying on the side
-paddling
-high losses

Question 16

ED Edema Disease in ….. weaners

Answer 16

4-12 WEEK

Question 17

ED morbidity

Answer 17

50%

Question 18

ED sporadic dz most likely affected are the

Answer 18

thriftiest pigs

Question 19

ED frequently occurs within

Answer 19

1 week after the change of diet, weaning, vaccination, pen change, regrouping

Question 20

ED outbreak duration average

Answer 20

8 days (< 15 days)

Question 21

ED … spread to other pens in the same farm

Answer 21

does not

Question 22

PWD …. after weaning

Answer 22

3-10 DAYS

Question 23

PWD morbidity

Answer 23

80-90%

Question 24

PWS mortality (case-fatality)

Answer 24

30%

Question 25

PWD ... spread to other pens in the same farm (within short period of time)

Answer 25

DOES

Question 26

Transmission: excretion

Answer 26

feces

Question 27

Transmission mainly via

Answer 27

ingestion

Question 28

Transmission: route

Answer 28

fecal-oral

Question 29

clinical signs ED: ..... hindlimbs, falling-earliest and most obvious sign!

Answer 29

incoordination

Question 30

clinical signs ED: .... of the eyelids and conjunctiva, face

Answer 30

edema

Question 31

clinical signs ED: .... in 6-36 hours

Answer 31

death

Question 32

clinical signs PWD: .... of one or two pigs in good condition

Answer 32

sudden death

Question 33

clinical signs PWD: .... - watery and yellow

Answer 33

severe diarrhea

Question 34

clinical signs PWD: ...., dehydration

Answer 34

fever

Question 35

clinical signs PWD: ... , weight loss

Answer 35

anorexia

Question 36

clinical signs PWD: ... in few days

Answer 36

death

Question 37

post mortem ED: facial

Answer 37

edema

Question 38

post mortem ED: full

Answer 38

stomach

Question 39

post mortem ED: mesenteric

Answer 39

edema

Question 40

post mortem PWD: de

Answer 40

hydration

Question 41

post mortem PWD: serofibrinous, perito

Answer 41

nitis

Question 42

post mortem PWD: fluid-filled

Answer 42

intestines

Question 43

post mortem PWD: mesenteric

Answer 43

edema

Question 44

DDx: ED

Answer 44

-aujeszkys disease -teschrn's disease -streptococcal meningitis -salt or organic arsenic poisoning

Question 45

DDx: PWD

Answer 45

-edema disease -swine dysentery -salmonellosis -erysipelas -pasteurellosis

Question 46

diagnosis: material

Answer 46

-feces -bipsy (intestines, mesenteric LNs)

Question 47

Tx: ED: no Tx > toxins allready in

Answer 47

bloodstream and there is no effective Tx

Question 47

diagnosis: in the lab

Answer 47

-bacteriology-isolation of E.coli -histology

Question 48

Tx: PWD: antimicrobials (5-7 days) > ABs in

Answer 48

water (or food) > electrolytes

Question 49

prevention: good animal

Answer 49

husbandary and minimized stress > diet less protein (21-17%) more fibre > feeding probiotics > good vaccination schedule