Fowl cholera Flashcards
Fowl cholera is caused by Pasteurella multocida A, D and F strains
True
Fowl cholera can occur is ducks and geese
True
The agent of fowl cholera can survive in water for a few days
True
Fowl cholera is caused by Pasteurella gallinarum
False
The mortality of fowl cholera is low
False
Arthritis is a clinical sign of fowl cholera
True
The resistance of the agent of fowl cholera is low
True
Fowl cholera occurs mainly in the winter in Europe
False
Pasteurella multocida strains with lower virulence can cause chronic fowl cholera
True
The most severe form of fowl cholera occurs in day-old birds
False
Waterfowl is more susceptible to fowl cholera than hens
True
Focal inflammation and necrosis in the liver is a common postmortem lesion on of fowl cholera
True
Wild birds can introduce the agent of fowl cholera into a herd
True
Fowl cholera has an exponential mortality rate
True
Fowl cholera is a generalized disease it causes septicaemia
True
Animals recovered after fowl cholera remain bacterium carriers
True
The dermonecrotoxin of the agent is responsible for the clinical sign of fowl cholera
True
Vaccine for the prevention of fowl cholera provide type specific protection
True
The agent of fowl cholera is an obligate pathogenic bacterium
False
Antibiotics cannot be used for the treatment of fowl cholera
False
Human can introduce the agent of fowl cholera into a herd
True
Per os antibiotic treatment must be used in the case of fowl cholera
True
Nasal discharge and conjunctivitis are clinical signs of fowl cholera
True
The morbidity of fowl cholera is high
True
The exotoxin of the agent is responsible for the clinical signs of fowl cholera
False
Inflammation of the wattle is a clinical sign of acute fowl cholera
False
The endotoxin of the agent is responsible for the clinical signs of fowl cholera
True
Europe is free from fowl cholera
False
Haemorrhagic diarrhoea is a clinical sign of fowl cholera
True
Fowl Cholera can occur in ducks and geese
True
Fowl cholera is always an acute disease
False
Feather pecking or force feeding can predispose animals to fowl cholera
True
Parent birds have to be vaccinated just before laying in order to prevent fowl cholera
False
Germinative infection is a frequent way of transmission of the agent of fowl cholera
False
Geese is resistant to fowl cholera
False
Fowl cholera cannot be prevented by vaccination
False
Focal inflammation in the liver is a typical post mortem lesion of fowl cholera
True
Hemorrhages generally cannot be seen as post mortem signs of fowl cholera
False
After recovering from fowl cholera the animals do not carry the agent any more
False
There are vaccines on the market to prevent fowl cholera
True
Fowl cholera occurs only in hens
False
Fowl cholera is caused by certain serotypes of Pasteurella multocida
True
The agent of fowl cholera is an obligate pathogen
False
Germinative infection is common in the case of fowl cholera
False
Turkey are highly susceptible to fowl cholera
True
Fowl cholera is caused by Pasteurella multocida strains
True
Fowl cholera occurs only in chicken
False
Germinative infection is common in the case of fowl cholera
False
Fowl cholera is typically seen in day-old birds
False
Germinative infection is important in the epidemiology of fowl cholera
False
Fowl cholera is a septicemic disease
True
The agent of fowl cholera is a facultative pathogenic bacterium
True
The endotoxin of the agent is responsible for the lesions of fowl cholera
True
Fowl cholera is caused by Riemerella anatipestifer
False
Endotoxins of Pasteurella multocida cause fowl cholera
True
Fowl cholera has always an acute course
False
Fowl cholera could cause focal inflammation-necrosis in the liver
True
Fowl cholera is the most severe among day-old chicken
False
Fowl cholera is caused by introducing highly virulent Pasteurella multocida strains
True
Plucking and fattening of geese is a predisposing factor for fowl cholera
True
Fowl cholera causes acute septicaemia
True
The chronic form of fowl cholera is caused by less virulent strains
True
Day-old chickens are resistant to fowl cholera
True
Vaccines against fowl cholera are not available
False
Fowl cholera may cause high mortality in water birds
False
Turkeys are not sensitive to fowl cholera
False
Fowl cholera occurs mainly at the end of the winter
False
Fowl cholera occurs mostly during the summer and autumn
True
Germinative infection is the primary way of spreading fowl cholera
False
Mortality of fowl cholera can reach 100% in a susceptible flock
True
In development of fowl cholera, plucking the animal has an important role
True
Fowl cholera can cause high losses among day-old chicken
False
Fowl cholera is caused by leukotoxin-producing Pasteurella (Mannheimia) haemolytica
False
Fowl cholera has higher mortality in young broiler stocks
False
Fowl cholera has high mortality in water poultry
False
Turkeys are not susceptible for fowl cholera
False
Fowl cholera is caused by Pasteurella haemolytica
False
Fowl choler occurs in the tropics and subtropics mostly
True
Wild birds are very susceptible to fowl cholera
False
Susceptibility in hens decrease with age in case of fowl cholera
False