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| | Avian Influenza (Site not responding. Last check: ) |
 | | oedema of the face and neck and neurological signs such as torticollis and ataxia may also be seen. |
 | | In birds that die after a prolonged clinical course, petechial and ecchymotic haemorrhages occur throughout the body, particularly in the larynx, trachea, proventriculus and epicardial fat, and on serosal surfaces adjacent to the sternum. |
 | | AI is characterised histologically by vascular disturbances leading to oedema, haemorrhages and perivascular cuffing, especially in the myocardium, spleen, lungs, brain and wattles.Necrotic foci are present in the lungs, liver and kidneys. |
| www.fao.org /ag/againfo/subjects/en/health/diseases-cards/avian.html (1880 words) |
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