A total of 80 birds were examined by post mortem examination. Major diseases identified in younger and
grower birds were Collibacillosis, Gumboro disease, Leechi heart disease, Aflatoxicosis and Coccidiosis.
Salmonellosis and Marek's disease was the major disease problem in layers. Salmonella gallinarum has been
isolated from liver of dead birds. A total of 190 layer birds of 12 layer farms located at Katmandu valley was
screened for salmonellosis by using salmonella colored antigen and 56 birds (29.47 %) ~ere tested positive.
12 cloacal swabs from sero-positive reactors birds were rendered for bacteriological culture and two were
found positive. Serum samples collected from different government and private poultry farms and all the
serum samples were found negative for antibodies against avian influenza.

A total of 80 birds were examined by post mortem examination. Major diseases identified in younger and
grower birds were Collibacillosis, Gumboro disease, Leechi heart disease, Aflatoxicosis and Coccidiosis.
Salmonellosis and Marek's disease was the major disease problem in layers. Salmonella gallinarum has been
isolated from liver of dead birds. A total of 190 layer birds of 12 layer farms located at Katmandu valley was
screened for salmonellosis by using salmonella colored antigen and 56 birds (29.47 %) ~ere tested positive.
12 cloacal swabs from sero-positive reactors birds were rendered for bacteriological culture and two were
found positive. Serum samples collected from different government and private poultry farms and all the
serum samples were found negative for antibodies against avian influenza.