SEROLOGICAL STUDIES ON CHICKEN INFECTIOUS ANEMIA VIRUS IN GHARBEIA PROVINCE

Document Type : Original Article

Authors

1 Poultry Diseases Dept., Faculty of Vet. Med., Kafrelshiekh University.

2 Microbiology Dept., Animal Health Research Institute, Tanta Lab.

3 Microbiology Dept., Faculty of Vet. Med., Kafrelshiekh University

Abstract

A serological survey on sera of chickens had revealed detection of antibodies to chicken infectious anemia virus (CIAV) by using ELISA test. Blood samples were collected from different chicken farms in Gharbeia Province at different age groups (1-21-day-old, 6-week-old and up), different breeds and different purposes of breeding. The results showed that 71.9% of collected samples were positive to CIAV (antibody titers) whereas 28.1% were negative.
Seroconversion against CIAV especially non vaccinated flocks and the progenies which delivered from non vaccinated parents revealed 80.6% were positive to CIAV (antibody titers). While 47.8% of vaccinated flocks and the progenies which delivered from vaccinated parents were positive to CIAV (antibody titers). These results indicate wide spread of the infection in Gharbeia chicken farms.
All adult flocks may become subclinicaly CIAV infected and immuno-supressed due to the subclinical effect of CIAV infection in chicken flocks. 
The haematological tests were in normal range and show no evidence of aplastic anemia.

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Kafrelsheikh Veterinary Medical Journal
Volume 6, Issue 2
October 2008
Pages 196-208

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