Poultry diseases occur in

poultry Poultry () are domesticated birds kept by humans for their eggs, their meat or their feathers. These birds are most typically members of the superorder Galloanserae (fowl), especially the order Galliformes (which includes chickens, quail ...

, which are domesticated birds kept for their meat, eggs or feathers. Poultry species include the

chicken The chicken (''Gallus gallus domesticus'') is a domestication, domesticated junglefowl species, with attributes of wild species such as the grey junglefowl, grey and the Ceylon junglefowl that are originally from Southeastern Asia. Rooster ...

turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ...

duck Duck is the common name for numerous species of waterfowl in the family Anatidae. Ducks are generally smaller and shorter-necked than swans and geese, which are members of the same family. Divided among several subfamilies, they are a fo ...

goose A goose (plural, : geese) is a bird of any of several waterfowl species in the family (biology), family Anatidae. This group comprises the genera ''Anser (bird), Anser'' (the grey geese and white geese) and ''Branta'' (the black geese). Some o ...

and

ostrich Ostriches are large flightless birds of the genus ''Struthio'' in the order Struthioniformes, part of the infra-class Palaeognathae, a diverse group of flightless birds also known as ratites that includes the emus, rheas, and kiwis. There a ...

Viral diseases

Avian infectious bronchitis Avian infectious bronchitis (IB) is an acute and highly contagious respiratory disease of chickens. The disease is caused by avian infectious bronchitis virus (IBV), a coronavirus (Coronaviridae, Orthocoronavirinae, genus ''Gammacoronavirus'', sub ...

, caused by a strain of

Avian coronavirus ''Avian coronavirus'' is a species of virus from the genus ''Gammacoronavirus'' that infects birds; since 2018, all gammacoronaviruses which infect birds have been classified as this single species. The strain of avian coronavirus previously kno ...

previously known as infectious bronchitis virus *

Avian infectious laryngotracheitis ''Gallid alphaherpesvirus 1'' (GaHV-1) is a species of virus in the order '' Herpesvirales'', family '' Herpesviridae'', subfamily '' Alphaherpesvirinae'', and genus '' Iltovirus''. Originally recognised in chickens in the United States in 1926, ...

, caused by

Gallid alphaherpesvirus 1 ''Gallid alphaherpesvirus 1'' (GaHV-1) is a species of virus in the order ''Herpesvirales'', family ''Herpesviridae'', subfamily ''Alphaherpesvirinae'', and genus ''Iltovirus''. Originally recognised in chickens in the United States in 1926, this ...

Avian influenza Avian influenza, known informally as avian flu or bird flu, is a variety of influenza caused by viruses adapted to birds.

, caused by Avian influenza virus * Duck plague, caused by

Anatid alphaherpesvirus 1 Duck plague (also known as duck viral enteritis) is a worldwide disease caused by ''Anatid alphaherpesvirus 1'' (AnHV-1) of the family ''Herpesviridae'' that causes acute disease with high mortality rates in flocks of ducks, geese, and swans. It ...

* Chicken infectious anemia, caused by

Chicken anaemia virus ''Chicken anemia virus'', or CAV, is currently a member of the '' Anelloviridae'' family which is found worldwide. The virus only affects chickens. CAV is a non-enveloped icosahedral single stranded DNA virus, which causes bone marrow atrophy, ...

* Epidemic tremor, caused by

Tremovirus ''Tremovirus'', also known epidemic tremor, is a virus genus belonging to the ''Picornaviridae'' family. The genus has two species, ''Tremovirus A'', which is also called ''Avian encephalomyelitis virus'', and ''Tremovirus B''. The first avian pi ...

* Fowlpox, caused by viruses in the genus '' Avipoxvirus'' * Infectious bursal disease (IBD), also known Gumboro disease, caused by

Infectious bursal disease virus An infection is the invasion of tissues by pathogens, their multiplication, and the reaction of host tissues to the infectious agent and the toxins they produce. An infectious disease, also known as a transmissible disease or communicable dis ...

* Lymphoid leukosis caused by avian sarcoma leukosis virus *

Marek's disease Marek's disease is a highly contagious viral neoplastic disease in chickens. It is named after József Marek, a Hungarian veterinarian who described it in 1907. Marek's disease is caused by an alphaherpesvirus known as "Marek's disease virus" ( ...

* Newcastle disease * Viral arthritis, caused by

Avian reovirus Avian orthoreovirus, also known as avian reovirus, is an orthoreovirus from the Reoviridae family. Infection causes arthritis and tenosynovitis in poultry. It can also cause respiratory disease. Avian orthoreovirus infection is more common in yo ...

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 ''Riemerella anatipestifer'' is a member of the Flavobacteriaceae family. It is a Gram-negative bacterium that causes septicaemia and death in young ducks and geese throughout the world. There are 21 known serotypes and infection is spread h ...

'' * Salmonellosis in poultry * Staphylococcal infection in poultry * Streptococcal infection in poultry * Omphalitis in chicks (mushy chick disease) *

Mycoplasmosis ''Mycoplasma'' is a genus of bacteria that, like the other members of the class '' Mollicutes'', lack a cell wall around their cell membranes. Peptidoglycan ( murein) is absent. This characteristic makes them naturally resistant to antibioti ...

* Fowl cholera * Campylobacteriosis *

Pseudomonas ''Pseudomonas'' is a genus of Gram-negative, Gammaproteobacteria, belonging to the family Pseudomonadaceae and containing 191 described species. The members of the genus demonstrate a great deal of metabolic diversity and consequently are able ...

* Ornithobacteriosis

Protozoal diseases

Histomoniasis Histomoniasis is a commercially significant disease of poultry, particularly of chickens and turkeys, due to parasitic infection of a protozoan, ''Histomonas meleagridis''. The protozoan is transmitted to the bird by the nematode parasite ''Heterak ...

(blackhead disease), caused by '' Histomonas meleagridis'' * Coccidiosis

Fungal diseases

Ergotism Ergotism (pron. ) is the effect of long-term ergot poisoning, traditionally due to the ingestion of the alkaloids produced by the '' Claviceps purpurea'' fungus—from the Latin "club" or clavus "nail" and for "head", i.e. the purple club-hea ...

, which occurs when poultry feed is contaminated with toxic alkaloids produced by fungi of the genus '' Claviceps'' *

Aspergillosis Aspergillosis is a fungal infection of usually the lungs, caused by the genus '' Aspergillus'', a common mould that is breathed in frequently from the air around, but does not usually affect most people. It generally occurs in people with lung di ...

, a non-contagious disease caused when birds inhale ''

Aspergillus ' () is a genus consisting of several hundred mold species found in various climates worldwide. ''Aspergillus'' was first catalogued in 1729 by the Italian priest and biologist Pier Antonio Micheli. Viewing the fungi under a microscope, Mic ...

'' spores *

Ringworm Dermatophytosis, also known as ringworm, is a fungal infection of the skin. Typically it results in a red, itchy, scaly, circular rash. Hair loss may occur in the area affected. Symptoms begin four to fourteen days after exposure. Multiple a ...

References

{{DEFAULTSORT:Poultry disease Lists of animal diseases