TYPES OF DISEASES AFFECTING POULTRY
There are four major types of diseases affecting poultry.
- Metabolic and Nutritional diseases
- Infectious diseases
- Parasitic diseases
- Behavioural diseases
- Disturbance of normal metabolic functions either through a genetic defect
- Inadequate or inappropriate nutrition or impaired nutrient utilisation.
- Fatty Liver Syndrome
- Perosis (or slipped tendon)
- Rickets and Cage Layer Fatigue
INFECTIOUS DISEASES
- An infectious disease is any disease caused by invasion of a host by a pathogen which subsequently grows and multiplies in the body.
- Infectious diseases are often contagious, which means they can be spread directly or indirectly from one living thing to another.
- These include Avian Encephalomyelitis, Avian Influenza, Avian Tuberculosis, Chicken Anaemia Virus Infection (or CAV), Chlamydiosis, Egg Drop Syndrome (or EDS), Fowl Cholera (or Pasteurellosis), Fowl Pox, Infectious Bronchitis, Infectious Bursal Disease (or Gumboro), Infectious Coryza, Infectious Laryngotracheitis, Lymphoid Leukosis, Marek’s Disease, Mycoplasmosis, Necrotic Enteritis, Newcastle Disease and Salmonellosis.
PARASITIC DISEASES
- Parasitic diseases are
infections or infestations with parasitic organisms.
- They are often contracted
through contact with an intermediate vector, but may occur as the result
of direct exposure.
- A parasite is an organism that
lives in or on and takes its nourishment from another organism.
- A parasite cannot live independently.
- These include Coccidiosis, Cryptosporidiosis, Histomoniasis, Lice and Mites, Parasitic Worms (or Helminths), Toxoplasmosis and Trichomoniasis.
BEHAVIOURAL DISEASES
- Abnormal behavioural patterns
can lead to injury or ill health of the abnormally behaving bird and/or
its companions.
- These include Cannibalism (or aggressive pecking)
LIST OF DISEASES CAUSED BY VIRUSES IN POULTRY
- 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)
- Botulism
- Colibacillosis
- Infectious Coryza
- Fowl Cholera (or pasteurellosis)
- Necrotic Enteritis
- Paratyphoid
- Pullorum
- Spirochaetosis (Avian Intestinal Spirochaetosis)
- Tuberculosis (Avian Tuberculosis
- 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 FUNGI
- Aspergillosis
- Favus
- Moniliasis (Candidiasis; crop mycosis).
DISEASE CAUSED BY ENVIRONMENTAL FACTORS
- Cannibalism (or aggressive pecking)
DISEASES CAUSED BY PESTS
- Darkling Beetles
DISEASES CAUSED BY CHLAMYDIA
- Chlamydiosis
DISEASES CAUSED BY MYCOPLASMAS
- Mycoplasmosis – MS (Mycoplasma synoviae; infectious synovitis
To read more about Poultry Diseases visit the Veterinary Blog.
MAJOR DISEASES OF POULTRY
Reviewed by IMRAN ULLAH GONDAL
on
June 03, 2020
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