ecoli Flashcards
Lack of colostrum is an important predisposing factor in diseases in young animals caused by E. coli.
T
Certain verotoxigenic Escherichia coli strains can be zoonotic
T
O157:H7
Detection of virulence factors of E.Coli is important in the diagnostics diseases caused by E.coli
T
Antigen detection and Fimbria Proteins by ELISA
E. coli can cause haemorrhagic enteritis of humans
T
faeces of asymptomatic cattle can be the source of infection with zoonotic Escherichia coli
T
Per os antibiotics are recommended for the treatment of neonatal coli diarrhoea of calves
T
for septicaemia is too late
E. coli septicemia is caused by verotoxigenic strains
T
Fimbria can be virulence factors of E. coli strains
T
LT toxin can be virulence factor of some E. coli strains
T
Enterotoxigenic E. coli strains cause diarrhoea in neonatal animals
T
The enterotoxigenic E. coli strains cause neonatal diarrhoea in calves and piglets
T
The enterotoxins of E. coli inhibit the protein synthesis
F
cause fluid accumulation in the gut
The protein synthesis is inhibited by verotoxins
The enterotoxigenic E. coli strains have fimbria as adhesins
T
The verotoxigenic E. coli strains cause septicaemia of calves
F
SEPEC Septicaemic E.coli
Endotoxins are the virulence factors of E. coli causing septicaemia
T
Diarrhoea Exotoxins
Septicaemia Endotoxins released in the blood upon death of ecoli → Coagulopathy → vascular damage → DIC → endotoxin Shock Fever
Fimbria is the virulence factor of enterotoxic E. coli strains
T
Verotoxins are the virulence factors of enterotoxic E. coli strains
F
Fimbria is the virulence factor of enteropathogenic E. coli strains
F
Enteropathogenic E. coli strains mainly damage the villi
T
ETEC no villi damage
EPEC damage
EHEC damage
E. coli strains always cause generalized infections in animals
F
Enterotoxins of E. coli cause severe inflammation in the small intestines
F
Enteropathogenic Escherichia coli strains cause neonatal diarrhoea in calves and piglets
F
Enteropathogenic Escherichia coli strains damage the microvilli
T
Verotoxigenic Escherichia coli strains can cause disease in pigs
T
oedema disease of swine
sometimes coli diarrhoea of weaned piglets
Verotoxigenic Escherichia coli strains frequently cause septicaemia in chicken
F
APEC
Endotoxin is a virulence factor of Escherichia coli
T
Enterotoxins and fimbria are virulence factors enterotoxigenic Escherichia coli strains
T
Verotoxins are virulence factors of septicemic Escherichia coli strains
F
Enterotoxins are virulence factor enteropathogenic Escherichia coli strains
F
Enterotoxic E. coli strains attach to enterocytes
T
with fimbria
The enterotoxic E. coli strain produces verotoxins
F
The enterotoxic E. coli strains cause oedema disease
F
Enterotoxic E. coli strains attach to enterotoxins
F
attach to the gut with fimbria
Enterotoxic E. coli strains produce fimbriae
T
Enterotoxigenic E. coli strains produce fimbriae
T
Enterotoxin cause enteritis in the large intestine
F
Enterotoxigenic E. coil strains produce fimbria and enterotoxins
T
Verotoxins inhibit protein synthesis
T
Verotoxins damage the endothelial cells
T
High fever is a common clinical sign of neonatal coli diarrhoea of calves
F
no septicaemia no fever
Hygienic problems can predispose new-born calves to coli diarrhoea
T
Lack of umbilical disinfection can be a predisposing factor for coli- diarrhoea of calves
F
coli septicaemia
Bovine coli septicaemia is caused by verotoxigenic Escherichia coli strains
F
Severe necrotic enteritis occurs in the case of coli diarrhoea of new-born calves
F
E. coli strains which cause calf diarrhoea harbour F4, F6 or F18 fimbrial-antigens
F
Endotoxins have an important role in the pathogenesis of coli-septicaemia of calves
T
Coli-diarrhoea of new-born calves can be prevented by vaccinating the pregnant cows
T
E. coli strains that cause coli-diarrhoea of new-born piglets have F17 fimbrial antigens
F
Coli septicaemia of calves can be diagnosed by isolation of E. coli from the small intestine
F
calves are vaccinated with inactivated vaccines in order to prevent coli septicaemia
F
E. coli O157:H7 strains can cause haemorrhagic enteritis in cattle
F
no inflammation ever
hypo-gammaglobulinemia can predispose cattle to coli septicaemia
T
peroral antibacterial treatment of calves is advisable for treatment of coli-septicaemic calves
F
coli diarrhoea of new born calves is caused by enterotoxigenic Escherichia coli strains
T
Coli septicaemia of calves is seen most frequently after weaning
F
Meningitis can be seen in coli-septicaemia of calves
T
Calves have to be vaccinated at the age of 2 and 4 weeks for the prevention of coli diarrhoea
F
Fimbriae are important virulence factors of agents of neonatal coli diarrhoea of calves
T
Severe diarrhea is a typical clinical signs of Bovine coli septicaemia
F
Severe watery diarrhoea is a clinical sign of coli septicaemia of calves
F
The endotoxin of Escherichia coli is responsible for colisepticaemia of calves
T
Neonatal coli dairrhoea of calves is caused by enterotoxic Escherichia coli strains
T
Coli diarrhoea of calves is typically seen in 3-4-week-old calves
F
Dehydration is a clinical sign of coli diarrhoea in calves
T
Enteritis in the large intestine is a typical post mortem sign of coli-diarrhoea of calves
F
Colostrum deficiency is the main predisposing factor of E. coli septicaemia in calves
T
E. coli septicaemia of calves appears in the first days of life
T
Enterotoxigenic E. coli strains are the causative agents of E. coli septicaemia of calves
F
In the case of E. coli septicaemia in calves, diarrhoea generally cannot be seen
T
Enterotoxigenic E. coli strains cause coli diarrhoea in calves
T
High fever is a typical sign of coli diarrhoea of calves
F
Severe inflammation in the small intestine can be seen in the case of coli diarrhoea of calves
F
Verotoxins are responsible for the clinical signs of coli septicaemia of calves
F
Severe watery diarrhoea is a typical sign of coli septicaemia of calves
F
Coli diarrhoea of calves typically occurs after weaning
F
There are no vaccines for the prevention of coli diarrhoea
F
Clinical signs of coli diarrhoea of calves generally appear on the first week of life
T
If E. coli is isolated from the gut of diarrhoeic calves, coli diarrhoea is the diagnosis
F
already there anw
Coli septicaemia of calves can be successfully treated with penicillin
F
Coli septicaemia of calves causes high fever
T
E coli septicaemia of calves, the clinical signs are caused by the enterotoxins
F
Coli septicaemia of calves can be diagnosed by measuring antibodies
F
Coli-septicaemia of cattle can occur at any age
F
Coli-diarrhoea of calves is caused by verotoxic E. coli strains
F
Coli-diarrhoea of calves is caused by E. coli strains equipped with fimbriae
T
In coli-diarrhoea of calves we can see severe inflammation of the colon
F
Coli-diarrhoea of the calf is caused by fimbriated E. coli strains
T
Coli-diarrhoea of the calf is characterised by a severe inflammation of the large intestine
F
