| EGG DROP SYNDROME (EDS) |
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Causative Agent: Adenoviridae |
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Transmission: 1. Vertical transmission - through egg of infected birds 2. Horizontal transmission - between infected ducks and chickens. 3. Lateral transmission - from contaminated trucks and crates. |
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Incubation Period: 10 to 24 days infection |
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Morbidity: 10 to 40 % |
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Mortality: Rare before the 14th week of age. |
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Age Group affected: All ages |
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Signs: 1. Loss of color in pigmented eggs followed by soft-shelled and shell-less eggs. 2. Drop in egg production specially during peak of production. |
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Gross Lesions: Uterus - edematous and inflammed. |
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Diagnosis: 1. If healthy birds reach peak of production and show shell-less and thin-shelled eggs, are diagnosis of the disease. 2. Hemagglutination inhibition test (HI test). 3. Enzyme Linked Immunoabsorbent Assay (ELISA) 4.Serum Neutralization test |
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Differential Diagnosis: Infectious Bursitis. Newcastle Disease. |
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Prevention: 1. Use strains of birds tree from infection. 2. Vaccinate birds between 14 to 18 weeks of age with inactivated vaccine. |
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Control: 1. Infected birds should be separated from non-infected birds. 2. Personnel working or handling sick birds should not handle healthy birds. |
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Recommended Supportive Medication: None |
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