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infectious diseases
Posted by Muhammad Zeeshan Asghar on January 22, 2025 at 5:58 amWhat are the common infectious diseases affecting poultry, and how can they be identified?
UDHAYACHANDRAN MUTHUKRISHNAN replied 1 year, 4 months ago 9 Members · 9 Replies -
9 Replies
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Newcastle Disease: This disease is caused by a virus named paramyxovirus
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Diseases of Poultry
Colibacillosis (Coliform infections) Problems attributed to coliform infections are often caused by strains of the Escherichia coli organism.
Mycoplasmosis (CRD, Air sac, Sinusitis)
Fowl Cholera.
Necrotic Enteritis.
Ulcerative Enteritis (Quail disease)
Pullorum Disease.
Fowl Typhoid.
Botulism.
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Common infectious diseases affecting poultry include:
1. Avian Influenza: Symptoms can vary from mild signs like decreased egg production to severe respiratory distress. Diagnosis involves laboratory testing of samples like swabs or blood.
2. Newcastle Disease: Signs include respiratory distress, nervous system disorders, and sudden death. Diagnosis requires laboratory tests on affected tissues or blood samples.
3. Infectious Bronchitis: Symptoms consist of respiratory signs, decreased egg production, and poor egg quality. Laboratory tests on respiratory secretions or tissues are used for identification.
4. Avian Infectious Coryza: Clinical signs involve swollen heads, difficulty breathing, and facial swelling. Isolation and identification of the causative bacteria are done in a laboratory setting.
5. Marek’s Disease: Manifestations include tumors, paralysis, and irregular growth. Diagnosis often involves post-mortem examination and laboratory tests on affected tissues.
6. Fowl Cholera: Symptoms comprise sudden death, respiratory issues, and swollen wattles. Isolation and identification of the bacteria Pasteurella multocida are crucial for diagnosis.
7. Coccidiosis: Signs involve decreased growth, diarrhea, and blood in the droppings. Identification is through fecal examination for the presence of coccidia oocysts.
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Common infectious diseases affecting poultry, avian influenza, fowl pox, and salmonellosis.
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ND – Torticolis and petichial haemorrhages in the proventricular
IB – whitish diarrhea, stunning
Mareks – Enlarged liver with liver inflammation
IBD – Bursa inflammation and enlargement
Coccidiosis – Bloody droppings found in the litter and stunned growth (Based on the Eimeria species – the intestinal inflammation will be there in different portion of the gut)
IBH – pericarditis
ILT – heavy inflammation of the trachea (Reddish), difficulty in breathing noticed in birds
Salmonella – whitish patches above the liver
Ecoli – yellowish chalky material will be there above the visceral organs particularly above the lungs area and liver
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1. Newcastle Disease
2. Avian Influenza (Bird Flu)
3. Infectious Bursal Disease (Gumboro)
4. Marek’s Disease
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