Poultry disease

Poultry diseases occur in poultry, which are domesticated birds kept for their meat, eggs or feathers. Poultry species include the chicken, turkey, duck, goose and ostrich.

Viral diseases

 * Avian infectious bronchitis, caused by a strain of Avian coronavirus previously known as infectious bronchitis virus
 * Avian infectious laryngotracheitis, caused by Gallid alphaherpesvirus 1
 * Avian influenza, caused by Avian influenza virus
 * Duck plague, caused by Anatid alphaherpesvirus 1
 * Chicken infectious anemia, caused by Chicken anaemia virus
 * Epidemic tremor, caused by Tremovirus
 * Fowlpox, caused by viruses in the genus Avipoxvirus
 * Infectious bursal disease (IBD), also known Gumboro disease, caused by Infectious bursal disease virus
 * Lymphoid leukosis caused by avian sarcoma leukosis virus
 * Marek's disease
 * Newcastle disease
 * Viral arthritis, caused by Avian reovirus

Parasitic diseases

 * Scaly leg, caused by the mite Knemidocoptes mutans
 * Infestation by Dermanyssus gallinae, the red poultry mite
 * Infestation by Echidnophaga gallinacea, the sticktight flea

Bacterial diseases

 * Colibacillosis in poultry
 * Infectious coryza in chickens
 * Ornithobacterium rhinotracheale
 * Pullorum disease
 * Riemerella anatipestifer
 * Salmonellosis in poultry
 * Staphylococcal infection in poultry
 * Streptococcal infection in poultry
 * Omphalitis in chicks (mushy chick disease)
 * Mycoplasmosis
 * Fowl cholera
 * Campylobacteriosis
 * Pseudomonas
 * Ornithobacteriosis

Protozoal diseases

 * Histomoniasis (blackhead disease), caused by Histomonas meleagridis
 * Coccidiosis
 * Trichomonas gallinae

Fungal diseases

 * Ergotism, which occurs when poultry feed is contaminated with toxic alkaloids produced by fungi of the genus Claviceps
 * Aspergillosis, a non-contagious disease caused when birds inhale Aspergillus spores that cause breathing to be hard for the bird
 * Ringworm