Lymphoid liencosis is a poultry disease caused by

Options

A. Virus
B. Fungi
C. Helminths
D. Bacteria

Answer

A

Explanation

Lymphoid leukosis is a disease that affects chicken caused by the retrovirus Avian leukosis virus. It is a neoplastic disease caused by a virus which may take the form of a tumor of the bursa of Fabricius and may metastasize to other tissues of the chicken and cause enlargement and swelling of the abdomen