1. Chicken infectious anemia

2. Introduction CIA is infectious disease of young chicken
Which 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 transmission
Male (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?

8. Pale anemic organs

9. S/C Hemorrhages

10. S/C Hemorrhages/ gangrenous Dermatitis

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

12. Hemorrhages on muscles

13. Thymus atrophy

14. Thymus atrophy
Pale carcass

15. Pale Bone marrow

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 : Biosecurity
Vaccination of breeders prior to the start of egg production.