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IJSTR >> Volume 6 - Issue 10, October 2017 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

An Investigation Of A Case Of Brooder Pneumonia In A Commercial Broiler Operation In Central Province, Sri Lanka

[Full Text]



W.S Gothami, M.E.S.A.De S Ariyaratne, Amal.D Premarathna, M.D.N Jayaweera



Aspergillosis, brooder pneumonia, E coli



This study was carried out in a commercial broiler farm with 5000 birds. High mortality (27.3%) among 5 days old chicks was reported in a broiler farms at central province in Sri Lanka on March 2014. Among 5000 birds, 3000 were affected and more than 500 birds were dead at the time of complaint. Affected birds showed signs of respiratory difficulties, off food and drooping feather apart from the high mortality. Flock has been treated with Greseofulvin (50mg/20L) for a period of one week. But still high number of deaths was observed. Post mortem examination was carried out in birds and samples were isolated from lungs, heart and liver. Impression smear was prepared from the lung and stained with Leishman stain. Fungal hyphae were observed in the impression smear. Greenish grey colour colonies were observed on SDA. Moreover, bacterial analysis of liver and spleen showed E coli infection. After analysing history, clinical signs and culture results the disease was diagnosed as Aspergillus pneumonia with E coli infection. With the treatment, daily mortality was reduced from 12% to 1% over a period of one month. But expected average weight was not gained.



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