1 Chicken infectious anemia

2 Introduction CIA is infectious disease of young chickenWhich is characterized by Aplastic anemia Lymphoid atrophy Any other name of this disease ?

3 Etiology Chicken infectious anemia virus (CIAV) Genus :Gyrovirus,Family :Circoviridae

4 Transmission Horizontal transmission.

5 Vertical transmissionMale (Roosters)+ female

6 Clinical findings . Anorectic, lethargic, depressed, and pale. PCV is low , leukopenia, or pancytopenia. Pale bone marrow.

7 What this picture is indicating?

11 Postmortem lesions Organs are pale Thymus atrophyPale or yellow Bone marrow Hemorrhage under the skin, muscle, and other organs.

17 Histopathology Depletion of lymphoid cells in lymphoid organs.Hematopoitic cells replaced by adipose tissue & proliferating stroma cells Loss of demarcation between medulla and cortex of bone marrow. Atrophy of Bursal folds

18 Atrophy of hemopoitic tissue & accumulation of fat cells

19 Thymus atrophy

20 Lymphoid depletion & atrophy of Bursal follicles

21 Diagnosis History Clinical Signs, Gross and Histopathological lesions.PCR ELISA Virus isolation

22 Prevention : BiosecurityVaccination of breeders prior to the start of egg production.