Clinical and pathological studies of lymphoid Leukosis in poultry

Abstract EN

A total 19 cases of clinically affected chickens with lymphoid leukosis from different flocks was recorded in this study.

Only nine cases were diagnoses as a lympholid leukosis according to clinical sings, gross and histopathological changes.

The disease were examined clinically prolong emaciations, weakness and death, post mortem changes show enlargement of both spleen and liver with different multifocal to focally extensive nodules appears as yellowish white to gray lesions.

Microscopically show there is a diffuse infiltration of large (lymphoblast) and small lymphocytes in the liver and spleen, with hematoxylin and eosin staining.

This study aimed to record the diagnosis of lymphoid leukosis based on case history, clinical sings, post mortem changes and histopathological features of affected organs.