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Cytological Changes in Chicken Infectious Anemia Virus Infected Bone Marrow in Broilers

Cytological Changes in Chicken Infectious Anemia Virus Infected Bone Marrow in Broilers

Syed Maaz Nadeem1,*, Muti ur Rehman Khan1, Asim Aslam1, Ali Ahmad Sheikh2, Arfan Ahmad2, Syed Nadeem Mansoor3 and Muhammad Anees4

1 Department of Pathology, University of Veterinary and Animal Sciences, Lahore
2Department of Microbiology, University of Veterinary and Animal Sciences, Lahore
3Department of Pathology, Islam Medical and Dental College, Sialkot
4The Livestock and Dairy Development Department, Punjab

*     Corresponding author: maaznadeem@hotmail.com

ABSTRACT

This study was designed to compare the cytological changes in chicken infectious anemia virus (CIAV) infected bone marrow in broiler chicken. Bone marrow samples were collected from proximal tibiotarsus and femur of each of the five healthy and CAV-infected flocks under natural condition. The bone marrow smears were fixed, stained with Romanowsky Giemsa Stain (RGS) and examined under microscope. Results showed a significant difference between the cellularity of normal and CAV-infected birds. While comparing healthy and infected chicken bone marrow, we observed a decreased mean erythroid cell percentage (39.95 versus 17.95%), myeloid cell percentage (57.29 versus 21.98%) and the mean M/E ratio (1.43 versus 1.22), respectively. Bone marrow smears were normocellular among healthy birds while, in diseased chicken, severe aplasia was noted. The bone marrow findings suggested an easy, quick and cost-effective approach for supportive diagnosis of chicken anemia virus infection and therefore could be replicated for efficient disease diagnostics in resource-limited setting.
 

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Pakistan Journal of Zoology

October

Vol. 53, Iss. 5, Pages 1603-2000

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