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Poultry diseases occur in poultry, which are domesticated birds kept for their meat, eggs or feathers. [1] Poultry species include the chicken , turkey , duck , goose and ostrich . [ 1 ]
Most research has been focused on chickens due to the increased threat of viral diseases within the poultry population. The innate immune response is known to be essential for viral infection and as a result, the publication of the full chicken genome sequence is a source for identifying possible adjuvants and immunity genes.
Signs of gastrointestinal disease (Haemorrhagic Enteritis) include diarrhea, anorexia, melena and hematochezia. Anaemia and dehydration may develop secondary to this haemorrhagic enteritis. Signs of reproductive disease (Egg Drop Syndrome) include low egg production/hatching and the laying of abnormal eggs (size, shape, colour, texture).
H5N1 and H5N9 are both strains of avian flu, explains Thomas Russo, MD, a professor and chief of infectious disease at the University at Buffalo in New York. H5N9 is a rare form of the influenza A ...
The disease affects all ages of chickens. The disease can persist in the flock for 2-3 weeks and signs of the disease are seen 1–3 days after infection. Transmission of the disease is through direct interaction, airborne droplets, and drinking contaminated water. Chickens having infection and those carriers contribute highly to the disease ...
Chicken anemia virus, or CAV, is currently a member of the Anelloviridae family which is found worldwide. [1] The virus only affects chickens . [ 2 ] CAV is a non-enveloped icosahedral single stranded DNA virus, [ 3 ] which causes bone marrow atrophy , anemia , and severe immunosuppression .
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It causes chronic respiratory disease (CRD) in chickens and infectious sinusitis in turkeys, chickens, game birds, pigeons, and passerine birds of all ages. [1] [2] Mycoplasma gallisepticum is a significant pathogen in poultry. Mycoplasmosis is the disease caused by infection with mycoplasmas. Mycoplasmas have many defining characteristics.