Previously known as Bacillary White Diarrhoea.
- An acute or chronic infectious, bacterial disease affecting primarily chickens and turkeys; most domestic and wild fowl can be infected.
- Mainly affects young chicks under three weeks of age and turkey poults causing high mortality and a white diarrhoea.
- Caused by bacterium named Salmonella pullorum which is Gram negative, non motile, facultative anaerobic bacilli of family Enterobacteriaceae.
- Bacteria can grow on nutrient agar, serum agar, beef agar.
- Temperature: 37°C and pH: 7.0 are favorable for growth.
- World-wide in distribution.
- Largely confined to non-commercial flocks.
- Primarily through egg by transovarian route (vertical transmission).
- Chick to chick in incubator, chick box or brooder house.
- Mechanical transmission (carried around on clothes, shoes or equipment).
- Carrier birds (apparently healthy birds shed the disease organisms).
- Contaminated premises (from previous outbreaks).
- Disease organisms enter the bird through the respiratory (as in the incubator) or digestive systems.
For more details please download the attachment- PPT.
