الفهرس 
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Abstract
1) Etudies were conducted on 2078 deado sick cases of different birds species appent1y affected viita pneu•—
monylosis received from various Locatities in Aa.E,
(2) The post—zortun picture of exanined birds was the pros— enco bright grenish—ye11ow caseou.s nodules in the lungs
and air—sacs appearing as button ulcers, pleuiti and skin lesions.
(3) he nicrosoopic picture revealed, Suppurative bronoho pneunonia arid lung abscess. The pleura and air—sacs
showed fibrizious reactions and Vascular iyihocytosis,
(4) The results of isQlation showed that 546 Ye were fungi species and 45.4 % were yeast and yeast—like fungi Tho
identification of fungi reveale4 that the most prevalent species all birds was A. funigatus aaa A2
Plans and the least was A. niger
(5) Yeast id yeast—like fungi were isolated from the duff— erent bird species respectivly as follows : In chickens
67.8 % yeast and )2.2 Ye yeast—like fungi, Pigeons 71.1% and 2S9 % tutkeys 71.5% &28.5 % dtck r, 9% at
in Zoo bizde 60 % yeast azd 44) % yeast—likes fungi
(6) Poultry feeds collected fran different poultry farns prO7Qd to be source of contamination under natural and expezirnental oonaitions.