Chicken typhus, pullorum disease and arizonosis are poultry diseases caused by certain bacteria(Salmonella gallinarum causes chicken typhus, Salmonella pullorum causes pullorum disease, Salmonella arizonae causes arizonosis). They can cause high losses in chickens, turkeys and other bird species.
chickens, turkeys, other bird species
Mode of transmission
The pathogens are introduced into flocks by infected animals and animate and inanimate vectors. The transmission of the pathogens via the hatching egg is of great importance for the spread of the infection.
Chicks infected in the brooder become ill after an incubation period of 2-5 days.
Reduced hatching rates, hatching of weak chicks, movement disorders, diarrhoea, cramps, blindness.
The basis of control is the identification and eradication of salmonella carriers.
Establishment and maintenance of pathogen-free flocks