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
Transport is the most important predisposing factor in coli-diarrhoea
F
age and end of winter
Coli-septicaemia is a disease of weaned calves
F
Coli-septicaemia causes severe haemorrhagic diarrhoea
F
Coli-septicaemia causes high fever
T
Calf dysentery is caused by verotoxigenic E. coli.
T
Transportation is an important predisposing factor of coli-septicaemia
F
colostrum
age
navel wound infection
Coli-septicaemia is seen in day-old calves
T
Pneumonia is an important clinical sign of coli-septicaemia in calves
F
Coli-diarrhoea of calves appears in the first week of life
T
Coli-diarrhoea of calves can be treated with per oral polymyxin
T
E. coli can cause bloody diarrhoea in calves
T
F? Yellow stinky in case of coli diarrhoea and chronic in calf dysentery.
Fimbria F5 is an important virulence factor of E. coli strains causing neonatal diarrhoea of calves
T
Enterotoxigenic E. coli strains causes diarrhoea in new-born calves
T
Verotoxigenic E. coli strains are present in the gut of cattle without clinical signs
T
cows often subclinical carriers
Calf dysentery is caused by enterotoxigenic E. coli strains
F
In the case of calf dysentery, not only calves but cows also show severe diarrhoea
F
Calves with calf dysentery can recover spontaneously
T
Calf dysentery is a zoonotic disease
T
Calf dysentery is caused by enteropathogenic E. coli strains
F
Morbidity and mortality of calf dysentery are very high
F
Lesions of calf dysentery are seen in the large intestine
T
Oedema disease of weaned piglets is caused by enterotoxigenic E. coli strains
F
Oedema disease occurs most frequently in calves
F
High fever is a typical clinical sign of coli diarrhoea of new-born piglets
F
Verotoxigenic strains are responsible for oedema disease
T
Oedema disease generally occurs 1-2 weeks after weaning
T
Weaning is a predisposing factor of oedema disease
T
Neonatal coli diarrhoea of piglets is seen typically in 1-10-day-old animals
T
Verotoxigenic Escherichia coli strains cause neonatal coli diarrhoea of pigs
F
Verotoxigenic E.coli strains can cause disease in 2-8-day-old piglets
F
Coli diarrhoea of new-born piglets is caused by fimbriated Escherichia coli strains
T
Coli-diarrhoea of new-born piglets are caused by enteroinvasive E.coli strains
F
Pigs with neonatal coli diarrhoea have to be treated per os with antibiotics
T
Enterotoxins are responsible for the clinical signs and lesions of oedema disease
T
Exotoxins verotoxins
Inflammations of the large intestine is a post mortem lesion of coli diarrhoea of neonatal piglets
F
animals showing clinical signs of oedema disease are recommended to be treated with penicillin
F
enterotoxigenic Escherichia coli strains are responsible for oedema disease
F
per os antibiotics are recommended for the treatment of neonatal coli diarrhoea
T
There is widespread vaccination for the prevention of oedema disease
F
in case of coli-diarrhoea of weaned piglets it is advisable to reduce the amount of feed
T
neonatal coli diarrhoea is more frequent in piglets of first farrowing gilts
T
diarrhoea with yellowish faeces is a characteristic clinical sign of oedema diseases of weaned piglets
F
No fever no diarrhoea sudden death
Oedema disease is caused by enteropathogenic Escherichia coli strains
F
In case of coli diarrhoea of new-born piglets, septicaemia is frequent
F
Vero-toxins produced by E. coli strains cause diarrhoea in pigs
F
Fimbria F4 is an important virulence factor of E. coli strains causing neonatal diarrhoea of piglets.
T
Haemorrhagic diarrhoea is typical in the case of coli diarrhoea of newborn piglets
F
There are no vaccines to prevent coli diarrhoea of newborn piglets
F
Oedema disease occurs in pigs and calves
F
Small arteries are damaged in the case of oedema disease
T
Toxaemia. is Verotoxins so endothelial damage of blood vessels in small arteries → irreversible perivascular oedema
Severe diarrhoea is a typical clinical sign of oedema disease
F
Clinical cases of oedema disease can be successfully treated with parenteral penicillin injections
F
Oedema disease typically occurs in 2-3-week-old piglets
F
In the case of oedema disease, the permeability of the blood vessels is increased
T
Oedema disease is caused by verotoxigenic Escherichia coli strains
T
Oedema disease can occur at any age
F
Vaccination of the sows is widely used in order to prevent oedema disease
F
Enterotoxigenic Escherichia coli strains are the main causative agents of coli-diarrhoea in weaned piglets
T
Mainly viral infections predispose weaned piglets to coli-diarrhoea
F
mainly the overeating diet and weaning changes
Oedema formation is the main clinical sign of coli-diarrhoea of weaned piglets
F
Increasing the fiber content of the feed can reduce the losses of coli-diarrhoea in weaned piglet
T
E. coli diarrhoea in swine occurs in sows in their first pregnancy
T
E. coli diarrhoea in swine occurs in large scale farms worldwide
T
The faeces of weaned piglets with coli-diarrhoea has a strong smell
T
E. coli diarrhoea in swine is caused by enterotoxigenic E. coli
T
E. coli diarrhoea occurs in weaned piglets at 1-2 weeks after weaning
T
Coli-diarrhoea of newborn piglets is caused by enterotoxigenic E. coli strains
T
There are no vaccines to prevent coli-diarrhoea of newborn piglets
F
Weaning can predispose piglets to diarrhoea caused by E. coli
T
Weaning can predispose piglets to septicaemia caused by E. coli
F
Less colostrum is a predisposing factor for coli-diarrhoea in weaned pigs
F
Coli-diarrhoea of newborn piglets occurs mainly in the litter of sows in their first pregnancy
T
Coli-diarrhoea of weaned piglets is generally prevented by vaccinating sows
T
protected for small amount of time
Enterotoxic E. coli strains can cause disease in swine
T
Enterotoxigenic strains are the causative agents of coli-diarrhoea in weaned piglets
T
Verotoxins are involved in the pathogenesis of coli-diarrhoea in suckling piglets
F
Oedema disease of swine occurs before weaning
F
Oedema disease may be lethal after paralytic symptoms
T
Oedema disease is seen mainly in large scale farms with poor hygiene
F
Small farms mainly
Diarrhoea in large scale farms
Oedema disease is caused by VTEC strains
T
In oedema disease, antibiotics are used to treat diseased piglets
F
Oedema disease occurs in the first week of life
F
Verotoxins cause diarrhoea in young piglets
F
Oedema disease of swine may cause paralysis prior to death
T
Oedema disease of swine occurs at 1-2 weeks old
F
Insufficient colostrum is an important predisposing factor for oedema disease
F
The faeces of weaned piglets with coli-diarrhoea contains undigested particles
T
Omphalitis is a frequent sign of Escherichia coli disease of day-old chicken.
T
Germinative infection does not occur in the case of e. coli diseases of poultry
F
air sacculitis is common in the case of E. coli disease of poultry
T
Pericarditis and perihepatitis are frequent postmortem lesions caused by Escherichia coli in poultry
T
Septicaemic escherichia coli strains are responsible for E. Coli diseases of poultry
F
Avian Pathogenic
Poor management can predispose to E. coli diseases of poultry
T
Enterotoxigenic Escherichia coli strains are responsible for coli-disease of poultry
F
Invasive Escherichia coli strains are responsible for E. coli diseases of poultry
T
Enterotoxigenic e.coli causes death in young chicks
F
E. coli strains cannot cause germinative infection in chicken
F
E. coli strains cause generalized infection in day-old chicken
T
E. coli can cause dead eggs
T
E. coli can cause septicaemia in day-old chicken
F
in growers
E. coli can cause air sacculitis in grower poultry
T
E. coli can cause embryonic mortality in poultry
T
E. coli can cause clinical signs only in chicken below of 2 weeks of age
F
E. coli disease of poultry is zoonotic
F
Isolation of Escherichia coli from the faeces confirms diagnosis of coli septicaemia of poultry
F
from bone marrow
Mycoplasma can predispose chicken to Escherichia coli infection
T
Escherichia coli can cause only local lessons in chicken, it cannot be generalized
F
E. coli in chicken found worldwide
T
E. coli is caused by enteroinvasive E. coli
F
APEC
Germinative infection occurs in case of E. coli disease in poultry
T
Enterotoxigenic E. coli strains can cause septicaemia in day old chicken
F
Enterotoxigenic E. coli causes death in young chicks
F
E. coli kills the embryo in the egg
T
PO antibiotics via drinking water is a good way of treating E. coli in poultry.
T
E. coli disease in poultry mostly occurs in layers at beginning of egg-laying period
F
E. coli disease in poultry causes severe encephalitis in septicaemic form
F
Vaccines can be used for the prevention of E. coli disease in poultry
T
Retarded absorption of the yolk sack is a post mortem lesion in coli-septicaemia in chickens
T
Coli-diarrhoea of rabbits is typically seen in suckling animals
F
Verotoxigenic Escherichia coli strains cause coli-diarrhoea of rabbits
F
High fibre content of the feed can prevent coli diarrhoea of rabbits
T
Mucoid and watery diarrhoea are typical in the case of Coli Diarrhoea of Rabbits
T
Enterotoxigenic E. coli strains are the causative agents of E. coli diarrhoea in rabbits
F
Decreased fiber content of the food can predispose rabbits to E. coli diarrhoea
T
There is widespread vaccination in order to prevent E. coli diarrhea in rabbits
F
Coli diarrhoea of rabbits is caused by enteropathogenic E. coli strains
T
Coli diarrhoea of rabbits is mainly seen in the first week of life
F
Insufficient fiber content is a predisposing factor of coli diarrhoea of rabbits
T
Coli diarrhoea is prevented by widespread vaccination of the mothers
F
Insufficient amount of milk predisposes rabbits to coli-diarrhoea
F
Mucoid diarrhoea is a typical sign of coli-diarrhoea of rabbits
T
Isolation of Escherichia coli from the faces of rabbits with diarrhoea confirms coli- diarrhoea
T
E. coli is not a normal inhabitant of the gut flora in rabbits
F
