Dermatitis

 

Introduction :

• Dermatitis is primary a disease of the broiler over 4 weeks of age but also occurs in replacement pullets up to 18 weeks of age. 

• CI septicum and CI. perfringens Type A have been implicated in this disease but in many outbreaks Staphylococcus aureus in also involved. 

Candidiasis

 

Introduction :

• Candidiasis is an infection of the crop and to a lesser extent, the mouth, caused by candida albicans.

• Candidiasis yeast is common in gallinaceous birds and outbreaks have been reported in chickens, turkeys, pigeon, fowl and game birds.

Botulism

 

Introduction :

• Botulism is also called Limbemeck, Alkali duck disease, Western duck sickness.

• It is a disease of mammals and birds, caused by intoxication due to ingestion of food containing toxin of Cl. botulinum.

Fowl cholera

 

Introduction :

Fowl cholera is a contagious disease affecting domesticated and wild birds, caused by pasteurella multocida. 
Fowl cholera is a septicemic disease associated with high morbidity and mortality and a characteristic diarrhea.
Most reported outbreaks and disease ave been reported in chickens, turkeys, geese and ducks.

Marek's disease

 

Introduction : 

• Marek's disease ia a lymphoproliferative disease of chickens, caused by herpes virus and characterized by a mono-nuclear infiltration of peripheral nerves, gonads, iris, various viscera, muscle and skin.

Duck plague.

 

Introduction : 

• Duck plague is an acute contagious viral disease of duck, geese and swans, caused by Herpesvirus (duck virus enteritis).

• Differences in virulence among DEV strains have been noted but all appear immunologically identical.

• Naturally occurring infection has been occurred in ages ranges from 7-day old ducklings to mature breeder ducks.

Ranikhet disease

 

Introduction :

• Ranikhet disease, also known in the West as Newcastle disease. Newcastle disease is an infectious several virus disease of birds, caused by Paramyxovirus 1 and characterized by characteristic respiratory, alimentary and nervous signs.