Viral, Bacterial and Fungal Diseases of Poultry Chickens

Some Important Bacterial, Viral and Fungal Disease in Poultry (Chickens):

S. No.	Disease	Causal Organism	Symptoms
A	Viral Diseases
1.	Ranikhet Disease (Most common disease) (New Cattle Disease) (ND)	Paramyxo	Sneezing yellowish white diarrhoea followed by nervous symptoms like twisting of head and wings get paralysed Minute lesions.
2.	Fowl Pox	Avipox Virus Herpes Virus Entero Virus	Presence of lymphomas in various visceral organs, thickened nerves, paralysis of leg or wings, death. Partial Paralysis, Unsteady gait, tremoring of head, neck, tail and muscles. Dullness, whitish pasty diarrhoea, haemorrhage and enlarged bursa. Broiler disease in which lesions appear around the heart giving it an appearance of leechi, enlarged liver and anaemia. Respiratory problems like sneezing, coughing and reduced rate of respiration. Also drop in egg production.
3.	Marek’s disease
4.	Avian Encephalomyelitis (Pollurum disease) Infectious Bursal Disease (IBD)
5.	Hydropericardium Syndrome
6.	(HPS) or Leechi Disease
7.	Infection Bronchitis (IB)
B	Bacterial Disease
1.	Fowl Cholera	Pastaurella Multocida	Depression, Coughing, Sneezing, difficulty in breathing
2.	Fowl Spirochaetosis	Borrelia Anserina	Rise in temperature (43-44 Degree Celsius), Cyanosis of comb and wattles followed by Jaundice.
3.	Colibacillosis of Poultry	Escherichia Coli	Loss of appetite, reduced respiration, diarrhoea and weaknes.
4.	Salmonellosis (Pollorum disease)	Salmonella Pollorum	Diarrhoea with white faeces, loss of appetite and thirst, dropping wings etc.
5.	Fowl Typhoid	S. Gallinarum	Diarrhoea with yellowish faeces and cyanosis of comb and wattles.
6.	Fowl Paratyphoid	S. Typhimurium	Loss of appetite, diarrhoea, necrosis of liver, etc.
C.	Fungal Diseases
1.	Mycotic Disease	Aspergillus Fumigatus	Extensive damage caused to skin, hair, hide etc.
2.	Candidiasis	Candida Albicans	Reduced appetite, poor growth and reduced weight.