MT4 - Diseases caused by E. coli in poultry +Rabbit(W)

Question 1

Omphalitis is a frequent sign of Escherichia coli disease of day-old chicken

Answer 1

T

• navel inflammation (omphalitis),
• delayed absorption of the yolk sack
• diarrhoea
• die

Question 2

Germinative infection does not occur in the case of e. coli diseases of poultry

Answer 2

F

horizontal, faeces, indirect infection, wounds
vertical: germinative

Question 3

air sacculitis is common in the case of E. coli disease of poultry

Answer 3

T

Question 4

Pericarditis and perihepatitis are frequent postmortem lesions caused by Escherichia coli in poultry

Answer 4

T

• haemorrhages
• enlarged lymph nodes
• pericarditis, perihepatitis, peritonitis (fibrinous)

Question 5

Septicaemic escherichia coli strains are responsible for E. Coli diseases of poultry

Answer 5

F-A

Question 6

Poor management can predispose to E. coli diseases of poultry

Answer 6

T

Question 7

Enterotoxigenic Escherichia coli strains are responsible for coli-disease of poultry

Answer 7

F

extraintestinal E. coli strains

Question 8

Invasive Escherichia coli strains are responsible for E. coli diseases of poultry

Answer 8

T

Question 9

Enterotoxigenic e.coli causes death in young chicks

Answer 9

F

Question 10

E. coli strains cannot cause germinative infection in chicken

Answer 10

F

Question 11

E. coli strains cause generalized infection in day-old chicken.

Answer 11

T-A

Question 12

E. coli can cause dead eggs

Answer 12

T

death or weak chicken will be hatched

Question 13

E. coli can cause septicaemia in day-old chicken.

Answer 13

T

Question 14

E. coli can cause air sacculitis in grower poultry

Answer 14

T

Question 15

E. coli can cause embryonic mortality in poultry

Answer 15

T

Question 16

E. coli can cause septicaemia in day-old chicken

Answer 16

T

Question 17

E. coli can cause clinical signs only in chicken below of 2 weeks of age

Answer 17

F

Question 18

E. coli disease of poultry is zoonotic.

Answer 18

F

Question 19

Isolation of Escherichia coli from the faeces confirms diagnosis of coli septicaemia of poultry

Answer 19

F

isolation from bone marrow

Question 20

Mycoplasma can predispose chicken to Escherichia coli infection

Answer 20

T

• management problems, overcrowding
• nutritional deficiencies
• other infections: mycoplasma, viruses

Question 21

Escherichia coli can cause only local lessons in chicken, it cannot be generalized.

Answer 21

F

Question 22

E. coli in chicken found worldwide.

Answer 22

T

Question 23

Germinative infection occurs in case of E. coli disease in poultry

Answer 23

T

Question 24

Enterotoxigenic E. coli strains can cause septicaemia in day old chicken

Answer 24

F

extraintestinal E. coli strains

Question 25

Enterotoxigenic E. coli causes death in young chicks.

Answer 25

F | extraintestinal E. coli strains

Question 26

E. coli kills the embryo in the egg.

Answer 26

T | embryonal infection

Question 27

PO antibiotics via drinking water is a good way of treating E. coli in poultry

Answer 27

T | antibiotics in drinking water + treatment of primary agent (Mycoplasma)

Question 28

E. coli disease in poultry mostly occurs in layers at beginning of egg-laying period

Answer 28

F

Question 29

E. coli disease in poultry causes severe encephalitis in septicaemic form

Answer 29

F

Question 30

Vaccines can be used for the prevention of E. coli disease in poultry.

Answer 30

T/F- file v unsure, lecturer said vac use questionable but could argue T bc they available

Question 31

E. coli strains cause generalized infection in day old chicken

Answer 31

T

Question 32

Retarded absorption of the yolk sack is a post mortem lesion in coli-septicaemia in chickens.

Answer 32

T- file is unsure but I think T from notes

Question 33

Coli-diarrhoea of rabbits is typically seen in suckling animals

Answer 33

F | 1-2 weeks old and after weaning (4-5 (12) weeks old)

Question 34

Verotoxigenic Escherichia coli strains cause coli-diarrhoea of rabbits

Answer 34

F | enteropathogenic E. coli (EPEC)

Question 35

High fibre content of the feed can prevent coli diarrhoea of rabbits

Answer 35

T high fiber-contents (hay), low protein content of feed (<16%) * gradual change of the food * no vaccine on the market

Question 36

Mucoid and watery diarrhoea are typical in the case of Coli Diarrhoea of Rabbits

Answer 36

T | diarrhoea (mucous, watery), anorexia, death

Question 37

Enterotoxigenic E. coli strains are the causative agents of E. coli diarrhoea in rabbits.

Answer 37

F | enteropathogenic E. coli (EPEC)

Question 38

Decreased fiber content of the food can predispose rabbits to E. coli diarrhoea

Answer 38

T | decreased fiber content, elevated pH

Question 39

There is widespread vaccination in order to prevent E. coli diarrhea in rabbits

Answer 39

F | no vaccine on the market

Question 40

Coli diarrhoea of rabbits is caused by enteropathogenic E. coli strains

Answer 40

T

Question 41

Coli diarrhoea of rabbits is mainly seen in the first week of life

Answer 41

F | 1-2 weeks old and after weaning (4-5 (12) weeks old)

Question 42

Insufficient fiber content is a predisposing factor of coli diarrhoea of rabbits

Answer 42

T

Question 43

Coli diarrhoea is prevented by widespread vaccination of the mothers. (poultry)

Answer 43

F | no vaccine on the market

Question 44

Enteropathogenic Escherichia coli strains can cause disease in rabbits

Answer 44

T

Question 45

Insufficient amount of milk predisposes rabbits to coli-diarrhoea

Answer 45

F | decreased fiber content, elevated pH

Question 46

Mucoid diarrhoea is a typical sign of coli-diarrhoea of rabbits

Answer 46

T | diarrhoea (mucous, watery). anorexia, death

Question 47

Isolation of Escherichia coli from the faces of rabbits with diarrhoea confirms coli- diarrhoea.

Answer 47

F-A - virulence factors- Intimin | isolation of E. coli (gut, mesenterial lymph nodes)

Question 48

E. coli is not a normal inhabitant of the gut flora in rabbits.

Answer 48

F-A - in small amount in the gut

Question 49

E. coli is caused by enteroinvasive E. coli (Ecoli in chicken)

Answer 49

F-A invasive ecoli- chicken enteroinvasive- ho