List of avian diseases

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Poultry can be affected by many types of disease, and a wide variety of pests (and behavioural problems) including those in the list below.

Diseases caused by Viruses

• Avian Influenza
• Avian Encephalomyelitis
• Big Liver and Spleen Disease
• Chicken Anaemia Virus Infection (or CAV)
• Egg drop syndrome (or EDS)
• Fowl Pox
• Inclusion Body Hepatitis (or Fowl adenovirus type 8 )
• Infectious Bronchitis
• Infectious Bursal Disease (or Gumboro)
• Infectious Laryngotracheitis
• Leucosis
• Lymphoid Leukosis
• Lympoid Tumour Disease (Reticuloendotheliosis)
• Marek’s Disease Virus or MDV
• Newcastle Disease
• Runting/stunting and malabsorption syndromes
• Viral Arthritis (Tenosynovitis)

Diseases caused by Chlamydia

• Chlamydiosis

Diseases caused by Mycoplasmas

• Mycoplasma gallisepticum  (Mycoplasmosis; MG infection; Chronic Respiratory Disease)
• Mycoplasma synoviae (MS infection; infectious synovitis)

Diseases caused by Bacteria

• Botulism
• Colibacillosis
• Infectious Coryza
• Fowl Cholera (or pasteurellosis)
• Necrotic Enteritis
• Paratyphoid
• Pullorum
• Spirochaetosis (Avian Intestinal Spirochaetosis)
• Tuberculosis (Avian Tuberculosis)

Diseases caused by Fungi

• Aspergillosis
• Favus
• Moniliasis (Candidiasis; crop mycosis)

Diseases caused by Protozoa

• Coccidiosis
• Cryptosporidiosis
• Histomoniasis
• Toxoplasmosis
• Trichomoniasis

Diseases caused by Internal Parasites

• Round worms
• Caecal worms
• Capillary worms
• Tape worms

Diseases caused by External Parasites

• Several types of louse (insect; plural – lice)
• Stickfast flea (insect)
• Fowl tick
• Several types of mite (acarid)

Diseases caused by Metabolic Disorders

• Ascites (waterbelly)
• Cage Layer Fatigue and Rickets
• Fatty Liver Haemorrhagic Syndrome

Diseases caused by environmental factors

• Cannibalism (or aggressive pecking)

Pests

• Darkling Beetles

 External links

• The Merck Veterinary Manual has a section dedicated to Poultry